Rock Cell Insulation
C or thermal conductance of these materials is the reciprocal of the r value.
Rock cell insulation. Open cell foams are typically about 1 2 lb cubic foot. The specific type of rock used to make rockwool insulation is basalt a volcanic rock that melts at approximately 3 000 degrees fahrenheit. Rock wool batt insulation. Rockwool acoustic mineral wool insulation 40lt 4lb 48 x24 x2 6pcs.
Cellulose insulation has significant recycled content with manufacturers often claiming 80 or more. Slag wool and rock wool the two types of mineral wool insulation contain 10 15 and 70 90 recycled content respectively. Comfortboard 80 exterior non structural insulation. Rock wool insulation can be installed wherever you d install fiberglass or any other type of insulation including walls floors ceilings attics and crawlspaces.
If the sheetrock is up you can only use blown in insulation. Prorox sl 960 rockwool roxul mineral wool insulation board high temperature 8 density choose size. Installing roxul safe n sound insulation inside interior walls above ceilings is a great way to improve the fire resistance of your home and reduce unwanted noise between rooms. Fiberglass insulation rated at r 15 to fit a standard 4 inch wall costs around 0 50 per square inch as of 2013 according to fine.
All other options require removal of the sheetrock. Made from non combustible stone wool roxul safe n sound can withstand intense temperatures of up to 2150 f and delays the spread of fire for added safety. Open cell spray foam insulation. Rock wool generally costs more than fiberglass insulation.
4 2 out of 5 stars 21. Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent. 5 0 out of 5 stars 2. These products offer superior long term thermal efficiency fire resistance moisture control acoustic performance and are compatible with numerous framing systems and cladding attachment systems.
Blown in insulation in this situation is more expensive. However it s particularly well suited for rooms along the cold north side of the house and for interior rooms in need of sound deadening such as media rooms or music studios. How to decide between sound materials. Slag a steel manufacturing by product is mixed with the liquid hot basalt and the resulting combination gets spun into threads and pressed into standard size insulation batts.
Cavityrock is a semi rigid insulation board designed for exterior cavity wall and rainscreen applications. Spray foam insulation is strictly a chemical product and therefore contains very little recycled content. Closed cell foams are more dense and rigid typically about 2 lb cu.