For attic walls, the recommended R-value varies based on climate ... Mixing types, like adding fiberglass batts over loose-fill insulation or blown-in cellulose, is also fine.
The Family Handyman on MSN9mon
Types of Attic Insulation: Pros and ConsThe higher the number, the better. Interested in increasing the R-value in your attic? You can save energy with blown in ...
The Family Handyman on MSN2mon
What Is Mineral Wool Insulation?60 for fiberglass. There are at least three ... that you may have to special-order mineral wool batts. We used Roxul r value ...
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