Roxul Vs Fiberglass Attic

Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

Roxul vs fiberglass attic.

In the past i ve been using roxul rockwool but i got a delivery of fiberglass by mistake and i am thinking hmmm maybe i ought to get this stuff taken back and get my roxul. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Insulation rockwool vs fiberglass what s everybody using. I m in central ohio and typically vapor barrier are required.

The garage ceiling has drywall and no existing insulation. I wasn t doing a comparison but it s light as fiberglass is also light. The boiling point of a more common fiberglass insulation can average between 1 000 1 300ºf 537 7 704 4ºc. Roxul and fiberglass have similar acoustic properties when compared to similar products.

I want to use the roxul product in my garage attic. In a well designed and built attic this shouldn t be an issue. While both fiberglass and rock wool can help block noise rock wool s greater density and weight make it a slightly better sound blocker than fiberglass. The average house fire is about 1100ºf meaning rockwool can stand up to most dangers within a house fire and give you time to get out.

None of the roxul products seem to be kraft faced as is typical with standard fiberglass insulation. The stone wool insulation is slightly more expensive but i did find safe n sound on sale for less than fiberglass. The doe reports the density of fiberglass. From my very limited knowledge the main advantage to roxul is that it won t mold if it gets wet.

Roxul safe is ul and intertek approved as a forming material for numerous firestop systems. I installed roxul in my basement and figure that it weighs roughly the same as fiberglass batting.