Fiberglass is a suspected carcinogen.
Test my attic insulation is cellulose or fiberglass.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
Looking across your attic if the insulation is level with or below the attic floor joists you probably need to add more insulation.
Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch.
If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation.
The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.
When used in an attic space however both types of insulation are ineffective at air flow across the attic floor such as a strong gust of wind.
More below cellulose provides better sound insulation than fiberglass i e homes are less noisy with it.
If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos.
A few years ago i was remodeling a room in a client s home moving a wall adding a skylight stuff like that.
You can get to the same place with either material.
Attic insulation contrast compare.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
The attic is one of the most essential areas of the home to ensure proper insulation in.
Or 7 inches of cellulose.
Assuming your current attic insulation is made from fiberglass and has a value of r 13 you d have to add roughly 10 inches of additional fiberglass to hit r 38.
I just read your article comparing the virtues and vices of fiberglass vs.
So what are the advantages and disadvantages of each of these.
Let me share with you an anecdote from my own personal experience.
Many fiberglass installers fluff the fiber with extra air so you don t get as much insulation as you re supposed to.
A test house burned more slowly with cellulose installed than with fiberglass.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Don t let money fly out of your roof.
Posted september 19 2019 by lewis insulation filed under attic insulation.
Attic insulation keeps the desirable temperature in and the undesirable temperature out.
Pros and cons of loose fill fiberglass attic insulation.