Comfortbatt for thermal insulation safensound for fire and soundproofing and comfortboard is for a continuous building enverlope layer. The r values i was referring to came from bags of each type i was working with last week in my attic.
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The insulation was purchased about 2 years ago probably from hd.
Roxul safe n sound r value. Made from non combustible stone wool roxul safe n sound can withstand intense temperatures of up to 21500f and delays the spread of fire for added safety. Roxul insulation is sound absorbent making it ideal for renovations that include home theaters or for other purposes where sound reduction is important. R15 r30 r45.
We recommend comfortbatt and roxulplus be used in applications requiring thermal value. I used a utility knife and was not about to purchase a serrated knife or electric carving knife. But there really is no practical to use mineral wool roxul inside your walls.
Roxul stone wool insulation comes in three formats for home construction and remodeling. Designed with a unique non directional high density fiber structure roxul safe n sound provides a better fit against the studs and an excellent barrier to sound. I stand by what i said in that roxul cant be cut.
Comfort batt on the other hand clearly states r14. Roxul safe and sound should have an r value similar to a fiberglas of the same thickness or density. Roxul had a lower r value.
Interior walls have no r value requirements so r value information is not tracked or published for safe n sound. Depending on the application rockwool can make a board product up to 6 thick and a batt product 725 thick. Roxul comfort batts or safe n sound insulation is used primarily for thermal purpose what you would need is roxul afb acoustical fire batt this is roxuls commercial brand.
Our calculator helps you measure what r value for exterior walls you mayy be looking for as well as for different applications. Unless you are designing low end absorption into your wall system. Obviously the safe and sound has some r value how much im not sure.
Rockwool products can also be layered to achieve a higher r value when needed. Nothing beats the tranquility of a quiet home and thats exactly what rockwool safe n sound provides. 5 it maximizes the peace and quiet.
The miners wool is better suited to acoustic treatment. Ceiling insulation r value r value for walls and more. From faqs at roxul site.
Roxul comfortbatt helps keep the outside outside and to keep your home warm in the winter and cool in the summer. I believe safe and sound is a bit more dense and since roxul markets the safe and sound as an interior sound fire proofing product they dont publish any thermal specs for it. Safe n sound is intended for acoustical and added fire resistance in interior wall 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.
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