Blown in fiberglass is considered flame resistant.
Blown in celluclose in walls them foam the attic.
Insulation efficiently fills gaps.
I suspect some comes from the blown cellulose in the attic or the dense packed cellulose in the walls.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
Earlier this year i got a question about a home that had spray foam insulation in the attic.
So what are the advantages and disadvantages of each of these insulation materials.
We are thinking of air krete foam in our existing walls and blown in cellulose in the attic.
A contractor says that we will be better off with the foam due to its air sealing properties plus he can better.
Nothing unusual about that.
How are they similar and how are they different from blown fiberglass vs.
Is the air krete a cement based foam much better than dense pack cellulose in the walls.
It s about 1200 more.
This homeowner is looking forward to energy savings and enjoying the.
A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents.
Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.
We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice.
Any help with insulating info would be greatly appreciated.
The walls were filled with blown in cellulose insulation and the attic had open cell spray foam insulation installed.
The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.
Loose fill cellulose is relatively inexpensive yet still has an r value of about 3 5 per inch of thickness compared to fiberglass r value between r3 to r4 per inch.
I am considering having the cellulose on the attic floor removed and replaced with r 30 open cell spray foam.
Blown in insulation flows down around wall studs.