Rock Wool Pouring Wool Attic Insulation

And this material also called rock wool or in some texts slag wool insulation remained in popular use in the u s.
Rock wool pouring wool attic 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. Fiberglass insulation rated at r 15 to fit a standard 4 inch wall costs around 0 50 per square inch as of 2013 according to fine. Our stone wool building insulation is a key component in fire resilient commercial and residential buildings. 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.
Mineral wool or rock wool or slag wool insulation q a. Rock wool generally costs more than fiberglass insulation. On 2019 01 29 by mod not normally michelle as mineral wool is not an asbestos product. Mineral stone wool insulation batts are slightly better insulators than the off the shelf fiberglass batts sold at most lumberyards and home centers.
These questions replies about rockwool insulation were posted originally at mineral wool rock wool insulation be sure to review that article. Up to the 1950 s and is still in use today in some new construction in manufactured housing and in special applications such as the insulation of low. Mineral wool insulation developed in the 1850 s patented in 1875 in the u s. Rockwool plus mb.
Attic insulation sloped roof unconditioned attic basement wall exterior walls insulation exposed wood framed floor floor insulation cathedral ceiling ceiling insulation interior wall insulation wood stud. Use rockwool thermal stone wool insulation to insulate the attic of a new build extension or to increase the r value and top up the current attic insulation especially in an older home. Curtainrock lightweight semi rigid stone wool insulation board. 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.
Comfortbatt semi rigid batt insulation for thermal resistance in wood and steel framing. Low sloped roof.