Stone Wool Mineral Fiber Insulation

Mineral stone wool insulation batts are slightly better insulators than the off the shelf fiberglass batts sold at most lumberyards and home centers.

Stone wool mineral fiber insulation.

Slag wool was first made in 1840 in wales by edward parry but no. The non directional structure of rockwool stone wool insulation is denser than traditional insulation products which helps to absorb acoustic waves and can reduce the intensity and propagation of noise stone wool also effectively reduces airflow and sound transmission while providing higher airflow resistivity for improved sound attenuation. Mineral wool batts for 2 4 walls have an r value of 15 while a standard fiberglass batt made to fit in a 2 4 wall has an r value of 11 or 13. Mineral wool is also known as mineral fiber mineral cotton mineral fibre man made mineral fibre mmmf and man made vitreous fiber mmvf.

Mineral wool is a stone based mineral fiber insulation comprised of basalt rock and recycled steel slag. What is mineral wool. Mineral wool insulation will not contain any fiberglass. Specific mineral wool products are stone wool and slag wool europe who also includes glass wool which together with ceramic fiber are completely man made fibers.

Therefore properly the term mineral wool insulation is a proper subset of mineral fiber insulation. It features a unique flexible edge designed to compress as the batt is inserted then spring back expanding the batt against the frame studs to give a complete fill. Sound absorbent for acoustic comfort. It costs about about 25 to 45 more than fiberglass but i feel its benefits more than justify the additional costs.