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.
Blown in celluclose in walls them foam the attic.
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.
We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice.
Blown in fiberglass is considered flame resistant.
Blown in insulation flows down around wall studs.
Materials can be layered for added protection.
Any help with insulating info would be greatly appreciated.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
This homeowner is looking forward to energy savings and enjoying the.
Is the air krete a cement based foam much better than dense pack cellulose in the walls.
Nothing unusual about that.
Earlier this year i got a question about a home that had spray foam insulation in the attic.
Insulation efficiently fills gaps.
We currently have next to none in both attic and walls.
So what are the advantages and disadvantages of each of these insulation materials.
How are they similar and how are they different from blown fiberglass vs.
When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding.
The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.
The walls were filled with blown in cellulose insulation and the attic had open cell spray foam insulation installed.
It s about 1200 more.
Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.
I am considering having the cellulose on the attic floor removed and replaced with r 30 open cell spray foam.