Problems With Spray Foam Insulation In Attics

One of those problems is moving the building enclosure from the drywall ceiling of a home to the roofline.

Problems with spray foam insulation in attics.

What goes right and what goes wrong. When we seal the attic with spray foam it s as tight as a butter tub. Spray foam insulation can solve problems that other insulation materials can t. The problems with spray foam insulation in attics comes down to the initial installation.

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. Insulating with spray foam insulation at the roof line will cause moisture problems with the roof sheathing. In a vented attic all of that expensive airflow is lost to the environment. 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.

If the spray foam is installed correctly then you can look forward to a home that stays substantially warmer costs less to heat. It has been said that insulating with spray foam insulation at the roof line will lead to moisture problems with the roof sheathing. Placement errors during installation attics are the main spots in a home that are filled with unusual shapes gaps and spaces where air bubbles have the potential to form when you spray foam insulation. Whereas too little spray foam insulation can leave for thermal bypass because of the complete lack of insulation in the attic.

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.