Providing high quality insulation between cathedral ceiling roof joists is an easy method of improving the overall energy performance of a building.
Roxul for roof rafters.
Installing stone wool insulation in the attic space of a low slope roof can provide increased thermal efficiency.
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.
Our tutorial on how to insulate walls with rockwool is great if you need guidance.
Exceptional dimensional stability and rated for extreme hail rockwool stone wool insulation roof boards have meet both the fm severe hail and the ul 2218a standard for impact resistance.
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.
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.
Youll see that i mention roxul a lot in that tutorial but roxul is exactly the same as rockwool.