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.
Roxul comfortbatt r 15 fire resistant thermal home insulation.
Cost per square foot usd roxul safe n sound.
Rockwool insulation material has the ability to withstand more than 2150º f without melting which means it significantly slows down the spread of fire.
This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames.
The material has high quality thermal insulation properties for instance 120mm of slabs takes the r value up to 3 3 per inch.
O c sound attenuation batts.
Ceiling insulation r value r value for walls and more.
Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications.
Comfortbatt is a stone wool insulation product for use in wood and steel framing in both new residential and commercial builds and renovations.