Glass wool (at first regarded also as fiberglass) can be an insulating material made out of fibres of glass organized employing a binder into a texture just like wool. Thermal Engineering Putting in glass wool batts as ceiling insulation Batts are precut, While blankets can be found in steady rolls. https://air-conditioning-insulati18406.blogrelation.com/42973995/glass-wool-can-be-fun-for-anyone