Ways to reduce blistering in built-up roofs

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Series titleConstruction Technology Update; no. 4
Physical description4 p.
SubjectRoofs; Roofs
AbstractOver the past two decades, blistering has been the most common problem with built-up roofs. The problem is most noticeable on hot, sunny days. Given that a perfect, void-free roof cannot be laid even under ideal conditions, there are nevertheless ways to reduce blisteriing. To address some of them: dry materials should be used in dry conditions. Not just dry conditions, but warm conditions as well, because voids in asphalt tend to occur more readily when asphalt cools quickly. With regard to materials, it's a good idea to use fibrous coverboards over all cellular plastic insulation so that gases formed during application can escape.
Publication date
PublisherInstitute for Research in Construction. National Research Council Canada
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteAussi disponible en français : Comment réduire la formation de boursouflures dans les couvertures multicouches
Peer reviewedNo
NRC number41094
NPARC number20331031
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Record identifier683f5276-f9ef-4db9-9211-c142cfc3c9d6
Record created2012-07-18
Record modified2016-05-09
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