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.
Open cell foam insulation problems.
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.
It comes down to understanding the benefits of open cell vs closed cell foam and choosing the type that fits your needs.
It rots roofs people have told me.
There is a large and growing number of anecdotal complaints about the health impacts of field applied sfp foam particularly low density or open cell proprietary urethane foams.
For example icynene open cell spray foam must be installed at 3 inches before an air barrier is created.
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.
Hey has anyone had problems with open cell spray foam insulation on the back side of garage doors.
They have different strengths and weaknesses and one is not necessarily better than the other.
Open and closed cell foam are two different types of spray foam insulation.
Be sure to have that discussion with your licensed contractor and don t be afraid to double check the information before the project begins.
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