The poor application of spray foam insulation by an untrained or.
Problems with spray foam insulation in attics.
When we seal the attic with spray foam it s as tight as a butter tub.
Since there are dozens of brands of spray foam insulation.
Attics are filled with unusual shapes gaps and spaces where air bubbles can form when spraying foam insulation between the joists.
In a vented attic all of that expensive airflow is lost to the environment.
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.
The expansive nature of this product can reduce the chances that there are pockets that can reduce the r value of the installation but it does not eliminate them.
Poor application of the spray foam insulation.
One of those problems is moving the building enclosure from the drywall ceiling of a home to the roofline.
By doing so you bring the attic inside the building enclosure.
Moisture is also another huge issue when it comes to spray foam insulation in an attic.
Spray foam insulation problems misrepresentation of the spray foam insulation products used.
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.
It has been said that insulating with spray foam insulation at the roof line will lead to moisture problems with the roof sheathing.
Whereas too little spray foam insulation can leave for thermal bypass because of the complete lack of insulation in the attic.