Our tutorial on how to insulate walls with rockwool is great if you need guidance.
Roxul for roof rafters.
Roxul safe is a lightweight semi rigid stone wool insulation that provides superior fire resistance and sound control.
Providing high quality insulation between cathedral ceiling roof joists is an easy method of improving the overall energy performance of a building.
Youll see that i mention roxul a lot in that tutorial but roxul is exactly the same as rockwool.
Roxul safe is ul and intertek approved as a forming material for numerous firestop systems.
This is primarily due to the kerdi board or wedi.
Not only do we withstand hail damage but our roof boards maintain their bond to the roof membrane lowering the likelihood of a catastrophic roof failure.
Installing stone wool insulation in the attic space of a low slope roof can provide increased thermal efficiency.
This home depot insulation r value guide explains why adding insulation to your attic basement or crawl space is the best ways to improve energy efficiency.