Cotton Insulation In Attic

The fabric is shredded and treated with boric acid to make it flame retardant and insect pest and mildew resistant.

Cotton insulation in attic.

Cotton building insulation photo. Cotton insulation consists of 85 recycled cotton and 15 plastic fibers. I m looking at a 1930s house that the inspection report listed as having loose fill fiberglass insulation in the attic however the photo of the insulation in the attic doesn t look like fiberglass to me. Batt insulation consists of long rolls of insulation fibers which are held together with a paper or reflective foil backing.

Denim insulation is actually a combination of recycled jeans and post industrial denim and cotton not just denim alone. Similarly as for cellulose in order to make the cotton insulation flame retardant cotton must be impregnated. The insulation fibers may be comprised of fiberglass cellulose mineral wool or even recycled blue jeans. It s made a comeback in the last few years and is touted as a green building product.

Batt blanket or rolled insulation. Cotton insulation consists of 85 recycled cotton and 15 plastic fibers that have been treated with borate the same flame retardant and insect rodent repellent used in cellulose insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. I ve never seen it in anything but batts.

For diy attic insulation you ve got two choices. Cotton batts insulation costs between 0 76 and 1 41 per square foot with an r value of r3 5 r4 per inch of thickness. It almost looks like a really thick blanket. Our photo above is of cotton batt building insulation.

Both can be added to uninsulated attics or layered over existing material. One product uses recycled blue jean manufacturing trim waste. Cotton batts also known as blue jeans doesn t cause any health concerns is formaldehyde free and it s processed with as much as 85 recycled fibers. Some is made from raw cotton while other is recycled cloth or scraps from denim manufacturing.

Cotton insulation was manufactured from the late 1930s through the early 1950s. As a result of its recycled content this product uses minimal energy to manufacture. Window insulation garage insulation 950 sq ft denim insulation r30 denim insulation r13 rolls owens corning 705 rigid related products r 19 denim insulation batts 16 25 in.