It rots roofs people have told me.
Open cell foam insulation problems.
Hey has anyone had problems with open cell spray foam insulation on the back side of garage doors.
I had open cell foam sprayed on the back side of my garage door because is was very hot in summer it worked great stays cool even when sun beats down on the door done about 3yrs ago.
These are without exception professionally installed spray urethane foam insulations not diy projects.
Murmurs and hearsay about open cell spray foam insulation have been gaining traction for a while.
Open and closed cell foam are two different types of spray foam insulation.
Choose open cell spray foam when insulating roofs since closed cell foam can trap water from a leaking roof damaging the framing material and roof sheathing.
For example icynene open cell spray foam must be installed at 3 inches before an air barrier is created.
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.
Be sure to have that discussion with your licensed contractor and don t be afraid to double check the information before the project begins.
The spray foam insulation chemicals weren t mixed properly.
They have different strengths and weaknesses and one is not necessarily better than the other.