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.
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.
Ceiling insulation r value r value for walls and more.
R value is a measurement that rates how resistant a product is to heat flow measuring the ability of heat to transfer from one side of an object to another.
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.
This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames.
Stc in 2 4 wall with drywall on both faces.
Cost per square foot usd roxul safe n sound.