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.
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.
It has been said that insulating with spray foam insulation at the roof line will lead to moisture problems with the roof sheathing.
By doing so you bring the attic inside the building enclosure.
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.
Spray foam insulation can solve problems that other insulation materials can t.
Moisture is also another huge issue when it comes to spray foam insulation in an attic.
Whereas too little spray foam insulation can leave for thermal bypass because of the complete lack of insulation in the attic.
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.
The problems with spray foam insulation in attics comes down to the initial installation.
In a vented attic all of that expensive airflow is lost to the environment.
When we seal the attic with spray foam it s as tight as a butter tub.
If the spray foam is installed incorrectly then a large number of problems can arise.