Cotton Insulation In Attic

Cotton building insulation photo.

Cotton insulation in attic. 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. It s made a comeback in the last few years and is touted as a green building product. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Both can be added to uninsulated attics or layered over existing material.

Loose fill or batt the common term for blanket insulation. For diy attic insulation you ve got two choices. Cotton insulation was manufactured from the late 1930s through the early 1950s. One product uses recycled blue jean manufacturing trim waste.

The fabric is shredded and treated with boric acid to make it flame retardant and insect pest and mildew resistant. Denim insulation is actually a combination of recycled jeans and post industrial denim and cotton not just denim alone. See cotton insulating batts for details. As a result of its recycled content this product uses minimal energy to manufacture.

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. Batt blanket or rolled insulation. 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.

Cotton insulation is made from post industrial recycled cotton textiles. 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. The insulation fibers may be comprised of fiberglass cellulose mineral wool or even recycled blue jeans. Batt insulation consists of long rolls of insulation fibers which are held together with a paper or reflective foil backing.

Some is made from raw cotton while other is recycled cloth or scraps from denim manufacturing. Similarly as for cellulose in order to make the cotton insulation flame retardant cotton must be impregnated. I ve never seen it in anything but batts.