Mineral stone wool insulation batts are slightly better insulators than the off-the-shelf fiberglass batts sold at most lumberyards and home centers. Mineral wool batts for 2×4 walls have an R ...

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 ...

Picking the right commercial insulation depends on budget, building type, and climate. From spray foam to fiberglass batts, each choice has benefits for a particular use.