Spray Roof Insulation Problems

The main argument against it for many years has been that any dampness getting in or condensation being caused lead to rotting of roof trusses and battens and purlins.

Spray roof insulation problems.

The coverage needs to be uniform because a lot of heat will go through the under insulated areas. As one of the most quickly adopted high performance building materials available in the market there has been a lot of noise made about spray foam insulation and its performance ability. Even small gaps can allow the passage of warm air through the foam rendering the foam all but useless as an insulator. 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.

Much like the concern about fake news found on social media channels noise about building materials such as spray foam insulation can create confusion among builders architects building owners and even regulators. 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 insulation is a better insulator than mineral wool loft insulation as you need less of it to get the same insulating effect. So what are the problems with spray foam insulation.

To get the best performance out of spray foam insulation you must cover the roof rafters and surrounding areas as thoroughly as possible. Some spray foam insulation sets rigid and can also be used to help reinforce roofs that are suffering from nail fatigue when the nails used to hold slates in place rust or support cavity walls where the wall ties are failing causing cracks and bulges in walls. 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. Incorrectly installed spray foam insulation can trap moisture in the home encouraging rot and mold problems.

Almost all of the problems associated with spray foam roof insulation comes down to incorrect application. Spray foam causes moisture problems in the roof line. Unfortunately good average thickness doesn t cut it. Over time trapped moisture can cause serious problems.

Spray foam myths debunked.