Spray Foam Roofing Problems

Insulating with spray foam insulation at the roof line will cause moisture problems with the roof sheathing.

Spray foam roofing problems.

It rots roofs people have told me. Spray foam insulation problems. Before investing in any roof system it pays to. Murmurs and hearsay about open cell spray foam insulation have been gaining traction for a while.

As spray polyurethane foam spf roofing becomes more popular for commercial roofing the benefits of installing a spray polyurethane foam spf roofing system rather than another roof type are numerous in terms of installation performance cost and longevity. Spray polyurethane foam technology does not have a solid track record for commercial roofing. Spray foam roofing problems and myths answered. Since a spray foam system consists of spray foam coating and granules after 10 20 years some of the coating and granules will naturally wear away.

17 august 2012 on the surface it sounds great. But despite its utility there are certain drawbacks to using it. Since there are dozens of brands of spray foam insulation available it is important to make sure you are getting what you want and what you paid for. 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.

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. 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. Choose open cell spray foam when insulating roofs since closed cell foam can trap water from a leaking roof damaging the framing material and roof. 7 common problems solutions of spf roofing.

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. The foam never gets touched and never loses r value. At year 10 20 a contractor will add more coating and granules. Misrepresentation of the spray foam insulation products used.

Now more than ever architects are beginning to use materials and design features more common in commercial construction when building domestic homes so spray foam has a. Posted by heather johnson in common roof problems. The essential guide to spray polyurethane foam roofing. A quickie roof and good r value.

Spray foam roofing has become a particularly popular solution in the commercial roofing industry but that doesn t mean it can t be right for your residential roof. A spray foam roof can be the last roofing system you ll ever need on a building.