Attic Spray Foam Insulation Problems

A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents.

Attic spray foam insulation problems.

Since there are dozens of brands of spray foam insulation available it is important to make sure you are getting what you want and what you paid for. Spray foam insulation problems. Earlier this year i got a question about a home that had spray foam insulation in the attic. If you are looking for an affordable insulation option for your attic then here are the pros and cons to consider with spray foam.

Spray foam insulation is a popular method of providing a greater r value insulation value per inch than conventional fiberglass batts. Misrepresentation of the spray foam insulation products used. List of the pros of spray foam attic insulation. Spray foam insulation is a great product.

Whereas too little spray foam insulation can leave for thermal bypass because of the complete lack of insulation in the attic. When spray foam insulation is applied to your attic then you will create a fast seal thanks to the expansive nature of this. 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. Removed all batt insulation in the attic removed both hvac systems and all duct work performed air sealing in the crawl space and the attic at the floor and ceiling and installed 5 of demilec open cell spray foam on the roof deck.

It provides a seal that is air tight. When we seal the attic with spray foam it s as tight as a butter tub. Moisture is also another huge issue when it comes to spray foam insulation in an attic. Homes insulated with it can be some of the most efficient and comfortable homes built.

One huge benefit of the spray foam insulated attic is that conditioned air leakage from the ac furnace duct system is contained and used to condition the attic. Badly installed spray foam may not insulate properly can cause moisture problems. Insulating with spray foam insulation at the roof line will cause moisture problems with the roof sheathing. However if it s not properly installed spray foam can cause some problems.

In fact spray foam insulation can help avoid problems like these. It has been said that insulating with spray foam insulation at the roof line will lead to moisture problems with the roof sheathing. Below we are going to list the most common problems with using spray foam insulation in your home s attic or in any area inside of your home. Nothing unusual about that.

However in a traditionally insulated attic insulation on the ceiling the attic is vented. Owner received an energy audit and implemented some of the recommendations.