Foam Roof Problems

After cleaning the existing roof the spf roof can be applied directly over asphalt shingles concrete metal and wood.

Foam roof problems.

Spray foam is gradually emerging as a market favorite as a roofing agent its high thermal resistance ability to assume varying shapes and densities to fill every nook and cranny wooing customers like no other as a top provider of spray foam roofing in tucson az green energy solutions wants to address some of the problems. A quickie roof and good r value. Spray polyurethane foam technology does not have a solid track record for commercial roofing. This process means that the foam can conform to all roof shapes and types even irregularly shaped roofs.

Unfortunately good average thickness doesn t cut it. Applying an even sheet of foam to the underside of a roof or other space can eliminate the routes that water vapor uses to leave the house. But despite its utility there are certain drawbacks to using it. Spf roofs are installed by spraying a liquid on the existing roof and allowing it to expand into a foam.

In other words the. Thanks for wring back. Spray foam roofing problems and myths answered. Spray foam will usually last in excess of thirty years.

The problems include lack of adhesion to the cavity the foam is sprayed in and moisture management issues that can create mold and. 3 problems it presents. 17 august 2012 on the surface it sounds great. Those are two of the selling points of spray polyurethane foam spf roofing but this type of roof isn t a perfect fit for all or even most commercial buildings.

Almost all of the problems associated with spray foam roof insulation comes down to incorrect application. For example the name icynene has become a synonym for the term spray foam insulation with builders architects and homeowners alike since the company developed modern open cell spray foam in the 1980s. In the future this is the only way i will install a roof over spray foam regardless of the type used. Therefore any foam that starts to fail before this is likely to have resulting from an incorrect mix of materials.

The coverage needs to be uniform because a lot of heat will go through the under insulated areas. Over time trapped moisture can cause serious problems. The problem was that the installer was doing his first spray foam job ever and the thickness of the insulation varied from zero visible roof deck to about 9. The result is that this roof has no problems and it has been over 10 years since it was installed.

Posted by heather johnson in common roof problems. Major disadvantage of foam roof not listed. The other benefit is that it has cut the heat gain to their attic considerably. The essential guide to spray polyurethane foam roofing.

Because a number of commercial roofing companies have installed this roof system poorly or incorrectly this misnomer is one of the greater misperceptions to emerge in the commercial roofing industry.