Stone Wool Mineral Fiber Insulation

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.

Stone wool mineral fiber insulation.

Sound absorbent for acoustic comfort. 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. 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. Therefore properly the term mineral wool insulation is a proper subset of mineral fiber insulation.

Mineral wool is a stone based mineral fiber insulation comprised of basalt rock and recycled steel slag. Mineral wool is also known as mineral fiber mineral cotton mineral fibre man made mineral fibre mmmf and man made vitreous fiber mmvf. What is mineral wool. The manufacturing process involves taking molten rock and spinning it while blasting it with cool air.

Mineral wool insulation will not contain any fiberglass. 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. Slag wool was first made in 1840 in wales by edward parry but no. Rockwool comfortbatt is a semi rigid stone wool batt rockwool comfortbatt is a semi rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations.