Spray On 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.

Spray on foam roof insulation problems.

Murmurs and hearsay about open cell spray foam insulation have been gaining traction for a while. 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. Insulating with spray foam insulation at the roof line will cause moisture problems with the roof sheathing.

Spray foam insulation and what do surveyors think 1stassociated can provide help and advice with regard to structural defects reports for things like problems with your roof insulation window problems dampness lateral dampness condensation cracking movement. Learn more about spray foam problems. 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. Spray foam insulation within roofs does it work.

It rots roofs people have told me. Spray foam roofing problems and myths answered. 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. Spray foam insulation is versatile and can be used to insulate your roof loft walls and floor.

Homes insulated with it can be some of the most efficient and comfortable homes built. 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. This minimises the issue of cold air meeting warm air. 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.

Despite it being a flexible product that helps retain warmth therefore reducing energy costs there are some crucial drawbacks to consider such as. However there are still some issues with spray foam insulation on the roof that can be avoided. Incorrectly installed spray foam insulation can trap moisture in the home encouraging rot and mold problems. Spray polyurethane foam technology does not have a solid track record for commercial roofing.

Over time trapped moisture can cause serious problems. Poor ventilation equals condensation. Spray foam insulation is a great product. 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.