Spray foam insulation vs.
Spray foam insulation or cellulose.
For those of you who don t know about this.
The r value of cellulose insulation ranges from 3 6 3 8 per inch and spray foam insulation ranges from 3 5 3 7 per inch of insulation.
And if you pack in too much foam that section of the wall could buckle.
Spray foam is more expensive than any other kinds of insulation in the market.
If you re reading this blog chances are you have some familiarity with spray foam insulation.
When icynene spray foam is applied it begins as a liquid but quickly expands into a foam which adheres to the surface which it is applied.
It is a very good air barrier as well as a water vapor barrier.
Friday august 22 2014.
It is often used in roofing projects or other outdoor applications but can be used anywhere in the home.
Department of energy recommends hiring a professional installer.
Properly mixing and applying spray foam insulation requires substantial expertise and can only be done by trained professionals.
What is cellulose insulation.
It s also not a good idea to try to install it yourself.
Spray foam insulation cellulose.
Closed cell polyurethane spray foam insulation is a much more dense type of foam than open cell.
It has a smaller more compact cell structure.
The foam can settle in places that should not be.
We should note that spray foam is typically more expensive but also more effective than cellulose.
Given that both insulators are equal in r value the difference in thermal resistance relies heavily on proper installation and air sealing.
It doesn t matter if it s an outdoor deck being converted into living space or basement ceiling or the subfloor over a damp crawlspace.
It is the most expensive option with costs running as high as two or three times as much as fiberglass batts or cellulose loose fill.
Cellulose insulation is made from recycled newsprint fibers that are treated with non toxic borate.
Sound insulation open cell spray foam offers great sound insulation between walls.
Spray foam insulation like icynene is also sprayed in but because the material is different from cellulose insulation the result is also different.