CertainTeed, a leading name in sustainable ... using non-toxic materials in home construction and renovation. Roofing, insulation, and siding emerged as top renovation priorities among surveyed ...

“Our OPTIMA insulation is made of virgin fiberglass,” says a CertainTeed representative, “so it won’t rot or absorb moisture.” Critics do contend that many fiberglass products include ...

CertainTeed, Dow, and BASF. The survey asked participants to rate their trust in various insulation brands based on quality, reliability, and experience. Owens Corning stood out among the ...