Spray Foam Roof Insulation 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.

Spray foam roof insulation problems.

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. 7 common problems solutions of spf roofing. Unfortunately good average thickness doesn t cut it. Despite it being a flexible product that helps retain warmth therefore reducing energy costs there are some crucial drawbacks to consider such as.

Spray foam insulation problems there are several majors spray foam installation problems that have been associated with the use and application of spray foam in a home some of these problems will vary based on how much of the spray foam is used where it is placed who applies the spray foam and the conditions in this environment. The coverage needs to be uniform because a lot of heat will go through the under insulated areas. This can cause a few problems including the following. Lstiburek takes blame for bad language.

The essential guide to spray polyurethane foam roofing. Over time trapped moisture can cause serious problems. Moisture generated indoors or that infiltrates into the home is responsible for the bulk of the moisture in an attic insulated with spray foam on the underside of the roof sheathing. Insulating with spray foam insulation at the roof line will cause moisture problems with the roof sheathing.

Spray foam roofing problems and myths answered spray polyurethane foam technology does not have a solid track record for commercial roofing. In other words the spray has not been used in the right way or the mixture is not right for the location. It s not coming from above the roof and it s not some new moisture source resulting from the spray foam. Almost all of the problems associated with spray foam roof insulation comes down to incorrect application.

In an unvented attic scenario to limit air leakage as well as any associated condensation at the roof line a continuous air barrier is required. In both cases the quick fix of a spray on foam then looks a good way to resolve the problems with the sales techniques being that is cures roof leaks greatly improves insulation which is always a problem when you live in an older property as you suddenly realise how much heat is needed to keep it warm. 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.