These spaces are often packed with fiberglass batts — pink and yellow rolls of fluffy material. Batts can also be made of mineral wool. Other types of insulation include loose-fill products made ...

Ensure the attic is well-lit and ventilated. Remove fiberglass batts: If you’re dealing with fiberglass batts, roll them up carefully to minimize airborne particles and fiberglass fibers.

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 ...

Use fiberglass batts cut to fit snugly between studs. Add rigid foam boards on the backside of the wall to boost R-value and prevent air leaks. Install a radiant barrier if the attic is prone to ...