Spray On Foam Roof Insulation Problems

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

Spray on foam roof insulation problems.

Additionally spray foam can create issues not only in the environment but also for those. Despite it being a flexible product that helps retain warmth therefore reducing energy costs there are some crucial drawbacks to consider such as. Over time trapped moisture can cause serious problems. Incorrectly installed spray foam insulation can trap moisture in the home encouraging rot and mold problems.

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. 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. However there are still some issues with spray foam insulation on the roof that can be avoided. 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.

This minimises the issue of cold air meeting warm air. Poor ventilation equals condensation. 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.

It rots roofs people have told me. Spray foam insulation within roofs does it work. Spray foam insulation is a great product. Spray polyurethane foam technology does not have a solid track record for commercial roofing.

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. Murmurs and hearsay about open cell spray foam insulation have been gaining traction for a while. Spray foam insulation is versatile and can be used to insulate your roof loft walls and floor. So why isn t spray foam always the go to insulation.

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. I can also tell you that 73 of all statistics are made up on the spot so please don t ask for. 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. Homes insulated with it can be some of the most efficient and comfortable homes built.