Spray polyurethane foam technology does not have a solid track record for commercial roofing.
Foam roof problems.
Thanks for wring back.
Unfortunately good average thickness doesn t cut it.
Incorrectly installed spray foam insulation can trap moisture in the home encouraging rot and mold 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.
7 common problems solutions of spf roofing.
17 august 2012 on the surface it sounds great.
But despite its utility there are certain drawbacks to using it.
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.
The problems include lack of adhesion to the cavity the foam is sprayed in and moisture management issues that can create mold and.
In other words the.
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.
Spray foam will usually last in excess of thirty years.
In the future this is the only way i will install a roof over spray foam regardless of the type used.
Spray foam roofing problems and myths answered.
Over time trapped moisture can cause serious problems.
The other benefit is that it has cut the heat gain to their attic considerably.
3 problems it presents.
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.
A quickie roof and good r value.
Major disadvantage of foam roof not listed.
The essential guide to spray polyurethane foam roofing.
Posted by heather johnson in common roof problems.
The coverage needs to be uniform because a lot of heat will go through the under insulated areas.
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.
The result is that this roof has no problems and it has been over 10 years since it was installed.
Spf roofs are installed by spraying a liquid on the existing roof and allowing it to expand into a foam.
After cleaning the existing roof the spf roof can be applied directly over asphalt shingles concrete metal and wood.
This process means that the foam can conform to all roof shapes and types even irregularly shaped roofs.
Therefore any foam that starts to fail before this is likely to have resulting from an incorrect mix of materials.