INSURANCE COVERAGE LAW | OCCURRENCE OF DAMAGES VS. DISCOVERY THEREOF

Don's Building Supply, Inc. v. OneBeacon Ins. Co., 267 S.W.3d 20 (Tex. 2008).
No. 07-0639 (Tex. Aug. 29, 2008)(
Willett) (cert. questions) (insurance coverage dispute, duty to defend, when
is coverage triggered when damage made basis of claim is not immediately apparent?)

Based on our answer to the first certified question, the insurer’s duty to defend DBS
depends on whether the homeowners’ pleadings allege property damage that occurred
during the policy term. Under the actual-injury rule applicable to this policy, a plaintiff’s
claim against DBS that any amount of physical injury to tangible property occurred during
the policy period and was caused by DBS’s allegedly defective product triggers
OneBeacon’s duty to defend. This duty is not diminished because the property damage
was undiscoverable, or not readily apparent or “manifest,” until after the policy period
ended. Nor does it depend on whether DBS has a valid limitations defense. The parties
could have conditioned coverage on identifiability, but the contract imposes no such
limitation.

DON'S BUILDING SUPPLY, INC. v. ONEBEACON INSURANCE COMPANY, AS ASSIGNEE OF POTOMAC INSURANCE
COMPANY OF ILLINOIN
The Court answers the questions certified by the
United States Court of Appeals for the Fifth Circuit.(link to search page)
Justice Don Willett delivered the opinion of the Court.  

Links for this case: e-Briefs in the Texas Supreme Court including Amicus Brief
Fifth Circuit opinion: OneBeacon Ins. Co. v. Don’s Bldg. Supply, Inc., 496 F.3d 361 (5th Cir. 2007).
Law and Insurance Blog:
Texas Adopts "Injury-in-Fact" Trigger of Coverage for Property Damage Liability Policies
Jefferson Court Blog: High Court answers another set of certified [insurance law] questions  
Texas Lawyer Sep. 9, 2008: Supreme Court Declines to Adopt Manifestation Rule
Links to other cases: Insurance law decisions of the Texas Supreme Court | 2008 Tex. Sup. Ct. Opinions |
Pine Oak Builders, Inc. v. Great American Lloyds Ins. Co., No. 06-0867 (Tex. 2009)(Willett)         
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Don's Building Supply, Inc. v. OneBeacon Ins. Co., 267 S.W.3d 20 (Tex. 2008)

═════════════════════════════════════════════════════════════════════

Argued February 7, 2008

Justice Willett delivered the opinion of the Court.

This insurance-coverage dispute presents two certified questions from the United States Court of Appeals for
the Fifth Circuit. The Fifth Circuit asks generally when property damage “occurs” under Texas law for
purposes of an occurrence-based commercial general liability insurance policy, a question this Court has
never answered. More specifically, is an insurer’s duty to defend triggered where damage is alleged to have
occurred during the policy period but was inherently undiscoverable until after the policy expired? As to this
policy, which focuses on when damage comes to pass, not when damage comes to light, we answer “yes”—
the insurer’s duty is triggered under Texas law; the key date is when injury happens, not when someone
happens upon it.

I. Background

The relevant facts are set out in the Fifth Circuit’s opinion certifying the questions to us.[1] Don’s Building
Supply, Inc. (DBS) sells and distributes a synthetic stucco product known as an Exterior Insulation and Finish
System (EIFS). This siding system was installed on various homes from December 1, 1993 to December 1,
1996, during which DBS was covered by comprehensive general liability (CGL) policies issued by Potomac
Insurance Company of Illinois and assigned to OneBeacon Insurance Company (OneBeacon).[2] From 2003
to 2005, various Texas homeowners filed state-court lawsuits against DBS, alleging the EIFS was defective
and not weather-tight, thus allowing moisture to seep into wall cavities behind the siding and causing wood rot
and other damages. The homeowners argue these injuries “actually began to occur on the occasion of the
first penetration of moisture behind” the EIFS, which they say was “within six months to one year after the
application of the EIFS.”[3] The alleged result of this ongoing moisture exposure was extensive damage to the
homes, reduced property values, and the need to retrofit or replace the EIFS.[4]

In their suits alleging negligence, fraud, and violations of the Texas Deceptive Trade Practices Act,[5] the
homeowners seek to avoid the statutes of limitations for their various claims by pleading the discovery rule,
arguing the home damage was “hidden from view” by the siding’s undamaged exterior and “not discoverable
or readily apparent to someone looking at that surface until after the policy period ended.”[6]

OneBeacon initially provided a defense to DBS but then filed a declaratory judgment action in federal district
court seeking a ruling that it had no duty to defend and indemnify under the CGL policies. The court agreed
with OneBeacon that the duty does not arise until the damage becomes identifiable.[7] DBS appealed to the
Fifth Circuit, which certified the coverage trigger-date questions to us.

II. Discussion

A. First Certified Question

The Fifth Circuit first asks:

When not specified by the relevant policy, what is the proper rule under Texas law for determining the time at
which property damage occurs for purposes of an occurrence-based commercial general liability insurance
policy?

We construe insurance policies according to the same rules of construction that apply to contracts generally.
[8] Effectuating the parties’ expressed intent is our primary concern.[9] If an insurance contract uses
unambiguous language, we must enforce it as written.[10] If, however, a contract is susceptible to more than
one reasonable interpretation, we will resolve any ambiguity in favor of coverage.[11] Policy terms are given
their ordinary and commonly understood meaning unless the policy itself shows the parties intended a
different, technical meaning.[12] “No one phrase, sentence, or section [of the policy] should be isolated from
its setting and considered apart from the other provisions.”[13] In addition, “we must give the policy’s words
their plain meaning, without inserting additional provisions into the contract.”[14]

With these principles in mind, we turn to the relevant policy language. The first page provides a one-year
policy period with designated start and end dates. The policy provides “bodily injury” and “property damage”
coverage as follows:

We will pay those sums that the insured becomes legally obligated to pay as damages because of “bodily
injury” or “property damage” to which this insurance applies. We will have the right and duty to defend any
“suit” seeking those damages.

The policy further provides:

This insurance applies to “bodily injury” and “property damage” only if:

(1)        The “bodily injury” or “property damage” is caused by an “occurrence” that takes place in the
“coverage territory;” and

(2)        The “bodily injury” or “property damage” occurs during the policy period.

The policy defines an “occurrence” as “an accident, including continuous or repeated exposure to
substantially the same general harmful conditions.” We recently noted, in construing the same CGL language,
that “[a]n accident is generally understood to be a fortuitous, unexpected, and unintended event.”[15] The
policy’s requirement that property damage be caused by an “occurrence” limits coverage in at least two
respects. First, because the occurrence must be an “accident,” coverage for intentional torts is excluded.[16]
Second, because a single occurrence can be “an accident” and consist of “continuous or repeated exposure
to substantially the same general harmful conditions,” the definition of occurrence serves to limit the number
of occurrences an insured can claim for what the policy deems to be a single accident.[17] This limitation is
sometimes important because the dollar limits of the policy include an aggregate limit and also a lower dollar
limit per occurrence.[18]

The policy defines “property damage” to mean:

a.         Physical injury to tangible property, including all resulting loss of use of that property. All such loss of
use shall be deemed to occur at the time of the physical injury that caused it; or

b.         Loss of use of tangible property that is not physically injured. All such loss shall be deemed to occur at
the time of the “occurrence” that caused it.

Considering these provisions together and reading them for their plain meaning, we hold that property
damage under this policy occurred when actual physical damage to the property occurred. The policy says as
much, defining property damage as “[p]hysical injury to tangible property,” and explicitly stating that coverage
is available if and only if “‘property damage’ occurs during the policy period.” So in this case, property
damage occurred when a home that is the subject of an underlying suit suffered wood rot or other physical
damage. The date that the physical damage is or could have been discovered is irrelevant under the policy.

We recognize, however, the existence of caselaw discussing when the duty to defend is “triggered” under
occurrence-based and other policies. The Fifth Circuit notes that courts have not uniformly resolved this issue.
[19] To some extent, these varying approaches reflect perceived differences in the policy language under
review.[20] The varying approaches also reflect different factual circumstances, with some courts not facing,
for example, the difficulty encountered in the pending case by an alleged delay between the time of property
damage and the discovery of that damage.[21]

Many courts agree with the analysis we adopt today, sometimes called the “actual injury” or “injury-in-fact”
approach, that the insurer must defend any claim of physical property damage that occurred during the policy
term.[22] Other courts, including several Texas appellate courts, have followed a “manifestation rule” that
imposes a duty to defend only if the property damage became evident or discoverable during the policy term.
[23] The manifestation approach takes different forms, with some courts having the rule turn on when the
damage is actually discovered, and others looking to when the damage could have been discovered.[24]
Even those courts favoring the latter manifestation trigger appear to take differing views of how easily
discoverable the damage or injury must be.[25]

We also note that decisions sometimes cited as following the manifestation rule, and which indeed use a form
of the word “manifest” in their analysis, do not actually follow the manifestation rule as opposed to the actual-
injury rule, because they were not concerned with latent damage where these two rules diverge. Instead,
these cases merely hold that the time of the injury or damage, as opposed to the time of the alleged negligent
conduct that caused the injury, is the triggering event under the policy. These cases, when carefully reviewed,
may actually be more aligned with the actual-injury rule than with the manifestation rule, and appear to use a
form of the verb “manifests” merely as a synonym for “results in” or “leads to,” rather than drawing a
distinction between the actual occurrence of damage and the later discovery or obviousness of damage.[26]

Other courts, including two Texas courts of appeals,[27] follow an “exposure rule” that finds coverage if the
plaintiff is exposed to whatever agent ultimately results in personal injury or property damage during the policy
period. Again, what some courts call the “exposure rule” may actually be what others would call the injury-in-
fact rule.[28] Still other courts adopt other approaches, including multiple trigger rules,[29] and a rule that
looks to the date of the alleged negligent conduct rather than the date of the actual injury to the claimant.[30]
In cases involving continuous losses, California follows a manifestation rule for first-party property insurance
claims (such as claims under a homeowners policy) but a continuous-injury rule for liability insurance policies
(such as claims under CGL policies).[31] A related if not overlapping body of law, which we do not explore
today, addresses when coverage is triggered on bodily injury claims under CGL and other policies.[32] As
occurred in Lamar Homes, Inc. v. Mid-Continent Casualty Co., we are again asked by the Fifth Circuit to
construe a widely used CGL policy where “unfortunately there is no consensus on the policy’s meaning under
the circumstances posed here.”[33]

As for the manifestation rule, the rule urged by OneBeacon and followed by most Texas cases to date, the
policy before us simply makes no provision for it. The policy in straightforward wording provides coverage if
the property damage “occurs during the policy period,” and further provides that property damage means “[p]
hysical injury to tangible property.” Whatever practical advantages a manifestation rule would offer to the
insured or the insurer, the controlling policy language does not provide that the insurer’s duty is triggered
only when the injury manifests itself during the policy term, or that coverage is limited to claims where the
damage was discovered or discoverable during the policy period.

Similarly, the policy’s language does not support adoption of an exposure rule, at least not where there is
“physical injury to tangible property” as alleged in this case. Again, the policy provides coverage if the
“‘property damage’ occurs during the policy period.” The policy does not state that coverage is available if
property is, during the policy period, exposed to a process, event, or substance that later results in bodily
injury or physical injury to tangible property.

We therefore decline to recognize a manifestation rule or exposure rule for the property damage claims
alleged under this policy.[34] This policy links coverage to damage, not damage detection. Engrafting a
manifestation rule to limit coverage—by conditioning coverage on the observations of a third-party claimant—
would blur the distinction between this occurrence-based policy and a claims-made policy. If the manifestation
rule offers advantages of ease of application or proof for the insurer or insured, insurance companies might
consider adopting policies where coverage depends on manifestation of damage, and seeking approval of
such policies by Texas insurance regulators.[35] We note, however, that the manifestation rule does not
eliminate the need to address sometimes nettlesome fact issues. In fact, the actual-injury rule may well make
claims more predictable insofar as one type of manifestation trigger turns not on when the claimant actually
identified the damage but rather on when the damage was capable of identification.[36]

Pinpointing the moment of injury retrospectively is sometimes difficult, but we cannot exalt ease of proof or
administrative convenience over faithfulness to the policy language; our confined task is to review the
contract, not revise it. Our prevailing concern is not one of policy but of law, and we must honor the parties’
chosen language—covering third-party claims if damage to the claimant’s property occurred during the policy
period. The policy asks when damage happened, not whether it was manifest, patent, visible, apparent,
obvious, perceptible, discovered, discoverable, capable of detection, or anything similar. Occurred means
when damage occurred, not when discovery occurred. In this case, property damage occurred when the
home in question suffered wood rot or some other form of physical damage.

Looking to the date of actual injury, besides being consistent with the policy terms, is also consistent with
scholarly authority. To quote one leading insurance law treatise, “the time of the occurrence of the accident
within an indemnity policy is generally not considered to be the time the wrongful act was committed but the
time when the complaining party was actually damaged.”[37] To quote the other leading treatise,

Focusing on the date injury manifests itself basically operates to provide certainty to insurers, but the injury-in-
fact approach probably is more technically in tune with the spirit of the parties’ actual intentions, and with the
insured’s expectations, based on frequently encountered policy language tying bodily “injury” or property
“damage” to the concept of “occurrence.”[38]

This treatise goes on to state that the manifestation rule “obviously gives short shrift to the specific terms
inserted in the policy to address the risk exposure.”[39] Texas law does not. Our goal is to effectuate the
parties’ intent as expressed in the contract they executed.[40]

Finally, we stress that we do not attempt to fashion a universally applicable “rule” for determining when an
insurer’s duty to defend a claim is triggered under an insurance policy, as such determinations should be
driven by the contract language—language that obviously may vary from policy to policy.
                                                                 
B. Second Certified Question

The Fifth Circuit next asks:

Under the rule identified in the answer to the first question, have the pleadings in lawsuits against an insured
alleged that property damage occurred within the policy period of an occurrence-based commercial general
liability insurance policy, such that the insurer’s duty to defend and indemnify the insured is triggered, when
the pleadings allege that actual damage was continuing and progressing during the policy period, but
remained undiscoverable and not readily apparent for purposes of the discovery rule until after the policy
period ended because the internal damage was hidden from view by an undamaged exterior surface?

As to the duty to defend, we answer this question “yes.”[41] Under the “eight corners” rule of Texas insurance
law, the insurer’s defense duty turns on the policy’s terms and the plaintiff’s allegations. The duty is triggered
if the plaintiff alleges facts that would give rise to any claim against the insured that is covered by the policy.
[42] The OneBeacon policy itself imposes a duty to defend without regard to the merits of the underlying claim
against the insured; it imposes on the insurer “a duty to defend any” suit[43] seeking damages for “bodily
injury” or “property damages” covered by the policy, regardless of whether the plaintiff in the underlying
action has a legally meritorious claim. By purchasing the policy, DBS acquired a contractual right to a defense
against both meritorious and nonnmeritorious claims for property damage.[44]

Based on our answer to the first certified question, the insurer’s duty to defend DBS depends on whether the
homeowners’ pleadings allege property damage that occurred during the policy term. Under the actual-injury
rule applicable to this policy, a plaintiff’s claim against DBS that any amount of physical injury to tangible
property occurred during the policy period and was caused by DBS’s allegedly defective product triggers
OneBeacon’s duty to defend.[45] This duty is not diminished because the property damage was
undiscoverable, or not readily apparent or “manifest,” until after the policy period ended. Nor does it depend
on whether DBS has a valid limitations defense. The parties could have conditioned coverage on
identifiability, but the contract imposes no such limitation.[46]

Today’s decision rests upon the specific language of these parties’ CGL policies regarding property damage
in the construction-defect context, and it is directed only to the specific questions posed by the Fifth Circuit.

We intend no position as to whether plaintiffs’ claims in the underlying suits are meritorious.

                                                                 _______________________________________

                                                                 Don R. Willett

                                                                 Justice

OPINION DELIVERED: August 29, 2008.

--------------------------------------------------------------------------------

[1] OneBeacon Ins. Co. v. Don’s Bldg. Supply, Inc., 496 F.3d 361 (5th Cir. 2007).

[2] Id. at 362. The coverage consisted of three consecutive one-year policies.

[3] Id. (quoting the homeowners’ petitions).

[4] Id.

[5] See id. at 363 n.5.

[6] Id. at 365.

[7] OneBeacon Ins. Co. v. Don’s Bldg. Supply, Inc., 516 F. Supp. 615, 629–30 (N.D. Tex. 2006).

[8] Nat’l Union Fire Ins. Co. of Pittsburgh, PA v. Crocker, 246 S.W.3d 603, 606 (Tex. 2008).

[9] See Forbau v. Aetna Life Ins. Co., 876 S.W.2d 132, 133 (Tex. 1994).

[10] See Puckett v. U.S. Fire Ins. Co., 678 S.W.2d 936, 938 (Tex. 1984).

[11] Id. at 938.

[12] Gonzalez v. Mission Am. Ins. Co., 795 S.W.2d 734, 736 (Tex. 1990).

[13] Forbau, 876 S.W.2d at 134.

[14] Nat’l Union Fire Ins. Co. of Pittsburgh, PA v. Crocker, 246 S.W.3d 603, 606 (Tex. 2008) (footnotes
omitted).

[15] Lamar Homes, Inc. v. Mid-Continent Cas. Co., 242 S.W.3d 1, 8 (Tex. 2007).

[16] See id. (“We have further said that an intentional tort is not an accident and thus not an occurrence
regardless of whether the effect was unintended or unexpected.”).

[17] See, e.g., Am. Physicians Ins. Exch. v. Garcia, 876 S.W.2d 842, 853–54 n.21 (Tex. 1994) (noting that
language in policies defining an “occurrence” or a “claim occurrence” as an accident “including continuous or
repeated exposure to substantially the same general conditions” or a “series of acts or occurrences arising
out of one event” is intended to limit the number of claims the insured can make for what the policy deems a
single occurrence).

[18] The policy covering December 1993 to December 1994, for example, has a $1 million aggregate limit and
a $500,000 limit per occurrence.

[19] 496 F.3d at 364; see also Garcia, 876 S.W.2d at 853 n.20 (noting that “courts across the nation
considering the coverage trigger issue for continuing occurrences have disagreed considerably in recent
years”).

[20] See, e.g., Pine Oak Builders, Inc. v. Great Am. Lloyds Ins. Co., ___ S.W.3d ___, ___ (Tex. App.—
Houston [14th Dist.] 2006, pet. granted) (rejecting manifestation rule adopted in earlier cases in part because
definition of “occurrence” in the policy under review was different from policy language in earlier cases);
EnergyNorth Natural Gas, Inc. v. Underwriters at Lloyd’s, 848 A.2d 715, 719-23 (N.H. 2004) (applying injury-in-
fact rule to three occurrence-based policies in issue and exposure rule to two accident-based policies).

[21] See 7 Lee R. Russ & Thomas F. Segalla, Couch on Insurance 3d § 102:22 (2005) (hereinafter “Couch
on Insurance”) (noting particular policy construction difficulties encountered “where there is a lengthy interval
between an injury from a wrongful act and the manifestation of that injury” and that in “delayed manifestation
of injury cases, there is a marked difference of opinion, sometimes within the same jurisdiction, as to when
coverage is triggered”).

[22] See Transcon. Ins. Co. v. W.G. Samuels Co., 370 F.3d 755, 758 (8th Cir. 2004) (“The Kansas Supreme
Court has adopted an injury-in-fact rule for purposes of determining when coverage is triggered under a CGL
policy. Under this rule, insurance coverage is triggered on the date when an actual injury and damage occurs,
even if the injury has not yet been discovered or become manifest.” (citing Scott v. Keever, 512 P.2d 346,
351–52 (Kan. 1973))); Trizec Props., Inc. v. Biltmore Constr. Co., 767 F.2d 810, 813 (11th Cir. 1985) (holding
under Florida law that actual injury rule applies to CGL policy); Mut. Fire, Marine & Inland Ins. Co. v. Safeco
Ins. Co., 473 So.2d 1012, 1013–14 (Ala. 1985) (reversing summary judgment for insurer where homeowner
suing insured claimed that termite damage had occurred during policy period, even though damage was not
discovered until after policy expired, because “the insurance carrier with the policy in effect at the time of
damage is responsible for the defense and indemnity of the insured”); Hoang v. Assurance Co. of Am., 149 P.
3d 798, 80–01 (Colo. 2007) (holding that the CGL policy in effect at the time of property damage to the
foundation of the home built by the insured covered claim by homeowner, even though damage was not
discovered until after policy expired and even though plaintiff had purchased the home after policy expired);
Sentinel Ins. Co. v. First Ins. Co. of Haw., 875 P.2d 894, 915, 917 (Haw. 1994) (adopting injury-in-fact trigger
“for all standard CGL policies,” and also recognizing that continuous trigger rule may be employed where
injury “occurs continuously over a period covered by different insurers or policies”); Travelers Ins. Co. v. Eljer
Mfg., Inc., 757 N.E.2d 481, 502–03 (Ill. 2001) (holding, under CGL policies covering “physical injury to
tangible property,” that claims against insured that it manufactured defective plumbing system were covered if
the buildings in issue suffered water damage due to leaks during the policy period, regardless of when the
plumbing systems were installed, because plain language of policies state “that the insurable event which
gives rise to the insurers’ obligation to provide coverage is the physical damage to tangible property”);
Gelman Scis., Inc. v. Fid. & Cas. Co. of N.Y., 572 N.W.2d 617, 628 (Mich. 1998) (“The standard CGL policy
language, providing coverage for property damage occurring during the policy period, unambiguously
dictates application of an injury-in-fact trigger of coverage.”), reh’g granted on other grounds, 576 N.W.2d
168 (Mich. 1998), overruled on other grounds by Wilkie v. Auto-Owners Ins. Co., 664 N.W.2d 776 (Mich.
2003); N. States Power Co. v. Fid. & Cas. Co. of N.Y., 523 N.W.2d 657, 662 (Minn. 1994) (stating that
“Minnesota follows the ‘actual injury’ or ‘injury-in-fact’ theory to determine which policies have been triggered
by an occurrence causing damages” because “this theory is the most consistent with standard CGL policy
language”); EnergyNorth Natural Gas, 848 A.2d at 719–23 (applying injury-in-fact rule to occurrence-based
CGL policies); Kief Farmers Coop. Elevator Co. v. Farmland Mut. Ins. Co., 534 N.W.2d 28, 35–36 (N.D. 1995)
(rejecting manifestation rule in first-party insurance case, and holding that “a real but undiscovered loss or
damage, proved in retrospect to have commenced during the policy period, triggers coverage, irrespective of
the time the loss or damage became manifest”); St. Paul Fire & Marine Ins. Co. v. McCormick & Baxter
Creosoting Co., 923 P.2d 1200, 1209–11 (Or. 1996) (holding injury-in-fact rule applicable to various CGL
policies where insured sought coverage for costs incurred in investigating and correcting environmental
contamination); Joe Harden Builders, Inc. v. Aetna Cas. & Sur. Co., 486 S.E.2d 89, 91 (S.C. 1997) (holding
that coverage under occurrence policy “is triggered at the time of an injury-in-fact and continuously thereafter
to allow coverage under all policies in effect from the time of injury-in-fact during the progressive damage”);
Transcon. Ins. Co. v. Wash. Pub. Utils. Dists.’ Util. Sys., 760 P.2d 337, 345 (Wash. 1988) (“Washington case
law hold[s] that the time of an occurrence for insurance coverage purposes is determined by when damages
or injuries took place.”).

[23] E.g., Summit Custom Homes, Inc. v. Great Am. Lloyds Ins. Co., 202 S.W.3d 823, 827 (Tex. App.—Dallas
2006, pet. filed) (holding, in case where home builder sought coverage for EIFS claim under CGL policies,
that “[i]f [property] damages are not manifested during the policy period, then there is no ‘occurrence’ during
the policy period.”); State Farm Fire & Cas. Co. v. Rodriguez, 88 S.W.3d 313, 322–23 (Tex. App.—San
Antonio 2002, pet. denied) (following manifestation rule and stating that property damage is manifested under
homeowners’ policy when it becomes “apparent”); Closner v. State Farm Lloyds, 64 S.W.3d 51, 53 (Tex. App.
—San Antonio 2001, no pet.) (holding that covered losses under homeowner’s policy “are deemed to occur
when the damage first becomes apparent” and therefore homeowners have “the burden to prove their loss
manifested during the policy period they plead”); State Farm Mut. Auto. Ins. Co. v. Kelly, 945 S.W.2d 905, 910
(Tex. App.—Austin 1997, writ denied) (holding that loss under automobile policy “occurs when the injury or
damage to the property is manifested”); Cullen/Frost Bank of Dallas, N.A. v. Commonwealth Lloyd’s Ins. Co.,
852 S.W.2d 252, 258 (Tex. App.—Dallas 1993) (holding that occurrence under CGL policies “takes place
when the property damage manifests itself”), writ denied, 889 S.W.2d 266 (Tex. 1994) (per curiam);
Dorchester Dev. Corp. v. Safeco Ins. Co., 737 S.W.2d 380, 381, 383 (Tex. App.—Dallas 1987, no writ)
(holding, under policy providing coverage for “property damage . . . caused by an occurrence,” that claim
against general contractor was not covered because coverage is not available “unless the property damage
manifests itself, or becomes apparent, during the policy period”); see also Am. Home Assurance Co. v.
Unitramp Ltd., 146 F.3d 311, 313–14 (5th Cir. 1998) (holding that manifestation rule is applicable to
occurrence-based policy governed by Texas law); Textron, Inc. v. Aetna Cas. & Sur. Co., 723 A.2d 1138,
1142–44 (R.I. 1999). We note that arguably the leading case adopting the manifestation approach, Eagle-
Picher Indus., Inc. v. Liberty Mut. Ins. Co., 682 F.2d 12 (1st Cir. 1982), concerned asbestos-related bodily
injury claims, and as discussed below, see infra note 32 and accompanying text, we express no view on
whether the rule for determining the triggering of coverage is the same for bodily injury and property damage
claims under the OneBeacon policy.

[24] See Am. Physicians Ins. Exch. v. Garcia, 876 S.W.2d 842, 853 n.20 (Tex. 1994) (discussing Dorchester,
737 S.W.2d at 383, see supra note 23, and noting, in case involving personal injury claim, that some courts
have followed a “pure” or “strict” manifestation rule based on actual discovery of injury, while others have
followed “relaxed” manifestation rule based on when discovery of injury was possible).

[25] Compare Dorchester, 737 S.W.2d at 383 (stating that coverage is available if damage or injury becomes
“identifiable” within the policy period) with Unitramp, 146 F.3d at 311 (stating that under manifestation rule “[t]
he date of occurrence is when the damage is capable of being easily perceived, recognized and understood”).

[26] For example, it appears that two cases discussed by the court of appeals in Dorchester did not actually
adopt the manifestation rule. In Millers Mut. Fire Ins. Co. of Tex. v. Ed Bailey, Inc., the Idaho Supreme Court
held that where the insured installed foam in a building during the term of a CGL policy, and a fire allegedly
caused by the foam occurred after the policy expired, the property damage claim was not covered because
the policy defined property damage as “physical injury to or destruction of tangible property which occurs
during the policy period” and “no actual physical damage to the structure in this case occurred within the
policy period.” 647 P.2d 1249, 1250, 1253 (Idaho 1982) (discussed in Dorchester, 737 S.W.2d at 383). The
court did make reference to the time that the alleged negligence “manifests itself,” but was merely
distinguishing the time of the negligent conduct from “the time that the damage occurs,” id. at 1253; it was not
choosing between the actual-injury rule and the manifestation rule. The same can be said for Travelers Ins.
Co. v. C.J. Gayfer’s & Co., 366 So.2d 1199 (Fla. Dist. Ct. App. 1979) (discussed in Dorchester, 737 S.W.2d at
383). In Gayfer’s, the Florida court held that a claim against a plumbing contractor was not covered where a
plumber’s allegedly negligent work on a drainage system took place during the policy period but the system
failed and water damage to plaintiff’s store occurred after the policy had expired. Id. The court did state that
an “occurrence” under the policy “is commonly understood to mean the event in which negligence manifests
itself in property damage or bodily injury.” Id. at 1202. But again, read in context, the court was not adopting
the manifestation rule in lieu of the injury-in-fact rule, but was distinguishing between the date of the insured’s
alleged negligent work, which occurred during the policy period, and the date of the property damage, which
occurred and became immediately evident upon occurrence, after the policy period had expired. The
Eleventh Circuit has since held that the injury-in-fact rule applies to CGL policies under Florida law. Trizec
Props., Inc. v. Biltmore Constr. Co., 767 F.2d 810, 813 (11th Cir. 1985).

[27] See Pine Oak Builders, Inc. v. Great Am. Lloyds Ins. Co., ___ S.W.3d ___, ___ (Tex. App.—Houston
[14th Dist.] 2006, pet. granted) (adopting exposure rule in case involving coverage for EIFS claims under CGL
policies); Pilgrim Enters., Inc. v. Md. Cas. Co., 24 S.W.3d 488, 497-99 (Tex. App.—Houston [1st Dist.] 2000,
no pet.) (adopting exposure rule for deciding whether physical injury and property damage claims are covered
by CGL policy, where claims are based on continuous or repeated exposure to dry cleaning fluid).

[28] E.g., Ins. Co. of N. Am. v. Forty-Eight Insulations, Inc., 633 F.2d 1212, 1222 n.18 (6th Cir. 1980) (“[W]hen
courts are dealing with property damage situations where damages slowly accumulate, courts have generally
applied the exposure theory. So long as there is tangible damage, even if minute, courts have allowed
coverage from that time.”), clarified in part, 657 F.2d 814 (6th Cir. 1981).

[29] E.g., Harford County v. Harford Mut. Ins. Co., 610 A.2d 286, 294–95 (Md. 1992) (holding that coverage
under CGL policies for environmental contamination claims is available if either the property damage occurred
or discovery or manifestation of the damage occurred during the policy period); Owens-Illinois, Inc. v. United
Ins. Co., 650 A.2d 974, 984 (N.J. 1994) (holding “that claims of asbestos-related property damage from
installation through discovery or remediation (the injurious process) trigger the policies on the risk throughout
that period”). The leading case adopting the multiple trigger approach, Keene Corp. v. Ins. Co. of N. Am., 667
F.2d 1034 (D.C. Cir. 1981) (Bazelon, J.) concerned asbestos-related bodily injury claims, and as discussed
below, see infra note 32 and accompanying text, we express no view on whether the rule for determining the
triggering of coverage is the same for bodily injury and property damage claims.

[30] See Audubon Coin & Stamp Co. v. Alford Safe & Lock Co., 230 So.2d 278, 279–80 (La. Ct. App. 1969)
(holding, where customer of insured safe company sued for negligent installation of safe, that policy in effect
at time of alleged negligent installation of safe, rather than policy in effect at time of burglary, covered claim).

[31] See Montrose Chem. Corp. of Cal. v. Admiral Ins. Co., 913 P.2d 878, 880, 904 (Cal. 1995) (distinguishing
Prudential-LMI Commercial Ins. v. Superior Court, 798 P.2d 1230 (Cal. 1990)).

[32] See, e.g, Guar. Nat’l Ins. Co. v. Azrock Indus., Inc., 211 F.3d 239, 243–48 (5th Cir. 2000) (discussing
various theories of coverage in progressive disease context, and concluding that rules for coverage of
personal injury and property damage claims are different); Md. Cas. Co. v. W.R. Grace & Co., 23 F.3d 617,
627 (2d Cir. 1994) (agreeing that “concepts of bodily injury may not be imported wholesale into the property
damage context” when determining when damage occurs under CGL policy); but see Montrose Chemical, 913
P.2d at 888 (concluding that coverage is the same for bodily injury and property damage claims under CGL
policy). We express no opinion on whether the coverage rule for determining if a claim occurs during the term
of the OneBeacon policy is the same for bodily injury and property damage claims.

[33] 242 S.W.3d 1, 5 (Tex. 2007).

[34] In this case there may be little practical difference between an actual-injury rule and an exposure rule,
because, as the Fifth Circuit notes, the homeowners’ petitions alleged that “injury to the home actually began
to occur on the occasion of the first penetration of moisture behind the [EIFS] which would have been at such
time as the improperly installed sealant joints and sealants began to fail, allowing moisture within the system.”
OneBeacon, 496 F.3d at 362. If the homeowners are alleging that wood rot or other physical damage to their
homes began immediately or almost immediately after the initial moisture exposure occasioned by EIFS
leakage, there may be no real-world distinction between application of an exposure rule and an actual-injury
rule in this case. See EnergyNorth Natural Gas, Inc. v. Underwriters at Lloyd’s, 848 A.2d 715, 718 (N.H. 2004)
(recognizing little difference between injury-in-fact and exposure theories where contamination begins almost
immediately after release of hazardous materials).

[35] See 7 Couch on Insurance § 102:22 (“The parties may, of course, make their intent explicit in the
contract of insurance by stating that coverage will be triggered by the occurrence of the harm producing
event, by initial manifestation of damages, or by requiring that both occur within the policy period.”).

[36] See Cullen/Frost Bank of Dallas, N.A. v. Commonwealth Lloyd’s Ins. Co., 852 S.W.2d 252, 257 (Tex. App.
—Dallas 1993, writ denied).

[37] 7A John Alan Appleman, Insurance Law and Practice § 4491.01 (Walter F. Berdal ed., 1979).

[38] 7 Couch on Insurance § 102:22 (footnote omitted); see also Gelman Scis., Inc. v. Fid. & Cas. Co. of N.Y.,
572 N.W.2d 617, 623 (Mich. 1998) (“The manifestation trigger simply is not supported by the policy
language.”), reh’g granted on other grounds, 576 N.W. 168 (Mich. 1998), overruled on other grounds by
Wilkie v. Auto-Owners Ins. Co., 664 N.W.2d 776 (Mich. 2003); Kief Farmers Coop. Elevator Co. v. Farmland
Mut. Ins. Co., 534 N.W.2d 28, 35–36 (N.D. 1995) (noting that “[t]he policy language does not even hint that
property damage must be known to anyone in order to trigger coverage,” and that “[w]e will not rewrite this
contract of insurance to exclude coverage on the basis of a manifestation theory”).

[39] Id. at § 102:28.

[40] Forbau v. Aetna Life Ins. Co., 876 S.W.2d 132, 133 (Tex. 1994).

[41] Insofar as the second question asks whether the pleadings have triggered the duty to indemnify, we do
not reach that issue because the duty to indemnify is triggered not by the allegations in the pleadings but by
whether a plaintiff ultimately prevails on a claim covered by the policy. See Lamar Homes, Inc. v. Mid-
Continent Cas. Co., 242 S.W.3d 1, 5 (Tex. 2007) (stating, in certified question case inquiring whether duty to
defend or indemnify is triggered by allegations in petition, that “[w]e do not reach the duty to indemnify . . . as
that duty is not triggered by allegations but rather by proof at trial”); Trinity Universal Ins. Co. v. Cowan, 945 S.
W.2d 819, 821 (Tex. 1997) (“The duty to indemnify is triggered by the actual facts establishing liability in the
underlying suit.”).

[42] Utica Nat’l Ins. Co. of Tex. v. Am. Indem. Co., 141 S.W.3d 198, 201 (Tex. 2004).

[43] The policy defines a “suit” as any “civil proceeding in which damages because of ‘bodily injury,’ ‘property
damage,’ ‘personal injury’ or ‘advertising injury’ to which this insurance applies are alleged.” We express no
opinion as to when a claim for “bodily injury,” “personal injury,” or “advertising injury” occurs under the policy,
or whether the rules for determining coverage for these claims are different from the rule we adopt today for
property damage claims under the policy.

[44] See Argonaut Sw. Ins. Co. v. Maupin, 500 S.W.2d 633, 635 (Tex. 1973) (“The . . . duty to defend is
determined by the allegations of the petition . . . without reference to the truth or falsity of such allegations.”).

[45] Because as to all of the underlying claims, the EIFS was installed during the three-year policy period of
the OneBeacon policies, see supra note 2 and accompanying text, this case does not require an analysis of
coverage questions in circumstances where property damage occurred in the course of a continuing process,
but began before the inception of the term of the policy in issue. Nor do we understand the Fifth Circuit to
have asked how OneBeacon’s indemnity obligations are determined if the facts ultimately show that property
damage began during the OneBeacon policy period but continued beyond that period, perhaps into periods
covered by other policies. We express no opinion on these questions, but see Am. Physician’s Ins. Exch. v.
Garcia, 876 S.W.2d 842, 855 (Tex. 1994) (“If a single occurrence triggers more than one policy . . . all
insurers whose policies are triggered must allocate funding of the indemnity limit among themselves according
to their subrogation rights.”); 7 Couch on Insurance § 102:23 (discussing “loss in progress” doctrine);
Montrose Chem. Corp. of Cal. v. Admiral Ins. Co., 913 P.2d 878, 885–906 (Cal. 1995) (adopting continuous
trigger rule and discussing “loss in progress” rule); N. States Power Co. v. Fid. & Cas. Co. of N.Y., 523 N.W.2d
657, 662, 664 (Minn. 1994) (following actual injury rule for determining when coverage is triggered in
environmental cleanup case, but recognizing that where “the damages occurred over multiple policy periods,
the trial court should presume that the damages were continuous from the point of the first damage to the
point of discovery or cleanup”); Goodyear Tire & Rubber Co. v. Aetna Cas. & Sur. Co., 769 N.E.2d 835, 840–
42 (Ohio 2002) (discussing “all sums” versus “pro rata” approaches for allocating losses among policies
triggered by continuous occurrence); Joe Harden Builders, Inc. v. Aetna Cas. & Sur. Co., 486 S.E.2d 89, 91
(S.C. 1997) (adopting injury-in-fact rule and recognizing the rule allows for “the allocation of risk among
insurers when more than one insurance policy is in effect during the progressive damage”).

[46] In any event, while we believe an injury-in-fact trigger is the only theory of coverage consistent with the
policies’ plain wording, at minimum it cannot be argued that the policies unequivocally dictate another trigger,
and under Texas law terms that are susceptible to multiple reasonable interpretations must be construed in
the policyholder’s favor. See Puckett v. U.S. Fire Ins. Co., 678 S.W.2d 936, 938 (Tex. 1984).