Shop Now Also known by the brand name Rockwool, mineral wool insulation is manufactured by melting basalt rock together with slag — a byproduct of the copper and steel industry — and spinning ...

Asbestos is a strong, natural mineral fiber that is resistant ... and composed of very fine fibers. Rock wool is a loose-fill insulation that has a fibrous, soft, cottony texture.

This is probably the most common type of insulation. It's available in rolls of foil-backed felt, rock, glass or mineral fibre. Straightforward to install yourself. Some brands use recycled glass or ...