Department of energy recommends hiring a professional installer.
Open cell foam insulation vs cellulose.
It s also not a good idea to try to install it yourself.
However if your attic doesn t have any hvac equipment or air ducts you should install cellulose installation.
Open cell polyurethane foam r 3 5 inch will provide r 28 but more efficient than cellulose allows moisture to flow minimizing moisture issues moderately expensive.
As compared to spray foam insulation cellulose is cheaper and hence more economical for use in homes.
We should note that spray foam is typically more expensive but also more effective than cellulose.
Unless you are doing a complete home renovation and already taking apart the walls upgrading wall insulation with fiberglass batts isn t practical.
The r value for closed cell spray foam insulation is significantly higher.
While the attic floor is a prime destination for fiberglass batts the inside of existing walls is not.
It is a very good air barrier as well as a water vapor barrier.
Cellulose insulation is composed of 75 85 recycled paper fiber with the remainder being made up of fire retardant matter.
Another product that gibson eschews is spray foam insulation.
Foam does save money and does lower your energy bill he says but if the goal is to reduce the impact of climate change it s not helping at all related.
Closed cell vs cellulose in cape style home attic trying to maximze the comfort in my cape stlye.
Cellulose for attic insulation if the hvac equipment and air ducts are in your attic it is better to install spray foam insulation specifically with open cell spray foam to protect the equipment and ducts.
Spray foam insulation cellulose.
Spray foam has an stc of 39 for open cell and 37 for closed cell.
Close cell polyurethane foam r 6 5 inch will provide up to r 52 does not allow moisture to flow potential moisture issues expensive.
Cellulose has the ability to absorb moisture and although it can dry out it still leaves possibility for mold formation.
It has a smaller more compact cell structure.
It reduces vibrations within a wall or ceiling to absorb sound and reduce echo feedback.
It is often used in roofing projects or other outdoor applications but can be used anywhere in the home.
Both of these insulation products carry a 3 6 to 3 7 r value per inch.
Actually foam insulation doesn t have an appreciable higher r value than cellulose insulation.
R value is a indicator of an insulation product s ability to block heat energy transfer.
Walls would need to be opened up completely to install batts.
Sound insulation open cell spray foam offers great sound insulation between walls.