Cotton Insulation In Attic

Our photo above is of cotton batt building insulation.

Cotton insulation in attic.

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. Cotton insulation consists of 85 recycled cotton and 15 plastic fibers. 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.

Cotton insulation was manufactured from the late 1930s through the early 1950s. The fabric is shredded and treated with boric acid to make it flame retardant and insect pest and mildew resistant. It almost looks like a really thick blanket. Denim insulation is actually a combination of recycled jeans and post industrial denim and cotton not just denim alone.

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. Some is made from raw cotton while other is recycled cloth or scraps from denim manufacturing. Batt insulation consists of long rolls of insulation fibers which are held together with a paper or reflective foil backing. 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. 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. One product uses recycled blue jean manufacturing trim waste. I ve never seen it in anything but batts.

See cotton insulating batts for details. Batt blanket or rolled insulation. 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. For diy attic insulation you ve got two choices.

Cotton building insulation photo. Cotton insulation is made from post industrial recycled cotton textiles. 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.