There are two physical characteristics that support this result.
Roxul mineral insulation.
The insulation sections are made out of stone wool and are produced with an innovative water repellent binder called wr tech to mitigate the risk of corrosion under insulation.
Rockwool insulation formerly roxul roxul rockwool mineral wool batt offers an excellent insulation to walls and floors where acoustical performance and fire resistance are primary concerns.
The other is a factor of their density.
A reinforced aluminum foil facing is available upon request.
Roxul safe is ul and intertek approved as a forming material for numerous firestop systems.
Prorox ps 960 is a mandrel wound pipe section.
Roxul safe 45 semi rigid stone wool fire stopping insulation board roxul safe 55 65 medium density insulation products for interior and exterior firewall eifs frontrock semi rigid dual density and non combustible stone wool insulation boards.
Roxul safe is a lightweight semi rigid stone wool insulation that provides superior fire resistance and sound control.
This non combustible lightweight product absorbs outside noise thereby making your living experience more comfortable.