Fiberglass offers an r value of 2 2 to 2 7 per inch while rock wool has an r value of 3 0 to 3 3 per inch making it a slightly better insulator than fiberglass according to the u s.
Roxul insulation r value.
The material has high quality thermal insulation properties for instance 120mm of slabs takes the r value up to 3 3 per inch.
Comfortbatt is a stone wool insulation product for use in wood and steel framing in both new residential and commercial builds and renovations.
Roxul comfortbatt r 15 fire resistant thermal home insulation.
O c sound attenuation batts.
Whether you are building new or renovating your home use roxul comfortbatt thermal home insulation in your exterior walls attic ceiling and floor frames for top thermal performance.
Stc in 2 4 wall with drywall on both faces.
Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications.
This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames.
Ceiling insulation r value r value for walls and more.