Mineral stone wool insulation batts are slightly better insulators ... A 2×4 stud cavity filled with blown-in cellulose has ...

Blown insulation can last 20 to 50 years. Natural materials like cellulose and sheep's wool are biodegradable and last on the ...

Improving insulation could trim your utility bills by up to 20 percent, according to the Energy Department. But you have to ...

Products afford superior thermal, electrical and acoustical insulation properties ... is often fibrous and derived from a calcium silicate mineral. Slag Wool Slag wool is manufactured by the blowing ...