Spray Foam Roof Insulation Problems

Spray foam roofing problems and myths answered.

Spray foam roof insulation problems.

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. 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. Murmurs and hearsay about open cell spray foam insulation have been gaining traction for a while. Not long ago someone even told me that in florida roofing companies won t let their workers go up on roofs with open cell spray foam because the roofs are so spongy the guys fall right through.

However there are still some issues with spray foam insulation on the roof that can be avoided. I ve been in plenty of these homes and can tell you that when spray foam is installed properly they outperform 99 of fiberglass batt insulated stick built homes. In the case of spray foam insulation it is applied to the roof rafters balancing the temperature in the loft with the rest of the house. This minimises the issue of cold air meeting warm air.

Spray foam insulation within roofs does it work. 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. 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. Spray foam insulation is a great product.

I can also tell you that 73 of all statistics are made up on the spot so please don t ask for. Learn more about spray foam problems. Over time trapped moisture can cause serious problems. Spray polyurethane foam technology does not have a solid track record for commercial roofing.

Insulating with spray foam insulation at the roof line will cause moisture problems with the roof sheathing. Incorrectly installed spray foam insulation can trap moisture in the home encouraging rot and mold problems. Spray foam insulation is versatile and can be used to insulate your roof loft walls and floor. Despite it being a flexible product that helps retain warmth therefore reducing energy costs there are some crucial drawbacks to consider such as.

Homes insulated with it can be some of the most efficient and comfortable homes built. Poor ventilation equals condensation. With superior air sealing capability and manufacturer claimed r values as high as r 7 per in spray polyurethane foam insulation spfi has become common in high performing new and remodeled homes. So why isn t spray foam always the go to insulation.