Best Fiberglass Insulation For Attic

Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

Best fiberglass insulation for attic.

Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. We are dedicated to our customers and seek to be the most professional company in the attic restoration industry. Both can be added to uninsulated attics or layered over existing material.

The type of insulation you need depends on which type is currently installed and the required r value. Blown fiberglass attic insulation loses half its r value because of convective loops. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Yes there was a study from the early 1990s that showed blown fiberglass in attics could lose 50 of its r value when the attic temperature dropped.

Rolls and batts are produced of mineral wool and fiberglass. I d blow insulation on the attic floor after air sealing of course. The most common insulation materials are fiberglass cellulose and foam. Insulation types include loose fill batts rolls foam board spray board and vapor barriers.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. The big disadvantage with spray foam is cost. If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch.

I heard this one for many years before i finally wrote about it. Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier. So it s time to pay close attention to what s happening up there. There are other materials and systems that you can use to insulate your attic.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Attic construction is the 1 rated attic insulation attic cleaning rodent proofing and rodent decontamination company in san diego and orange county ca. Loose fill or batt the common term for blanket insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.