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.
Stc in 2 4 wall with drywall on both faces.
O c sound attenuation batts.
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.
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.
Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications.
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.
Ceiling insulation r value r value for walls and more.
This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames.