Use canned minimally expanding spray foam.
Cotton in attic.
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.
And beware your beloved summer linen pants or cotton shirts are prone to moth infestation.
Stuffing or cramming them around ducts piping and the like will compress.
If you see it in an attic floor it looks like gray styrofoam.
Always cut batts to fit around obstructions and penetrations.
Holiday decorations can be damaged by the extreme heat in attics says santoro delicate fabrics and items that are painted are particularly prone to damage when stored in the attic and plastic decorations like ornaments may melt or warp in the heat.
You ll compress the lower layer and reduce its effectiveness.
You might find one of the older insulating materials uffi.
It s an environmental benefit to keep it out of the landfills.
Never lay heavier batts such as cotton over lighter ones like fiberglass.
Denim and cotton scraps from the mills and leftover clothes from retailers are being recycled into denim insulation.
Often people think it s just wool and are surprised to know that moths go after plant based fibers as.
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.