Roxul Vs Blown In Insulation

Cellulose insulation has an r value range of 3 6 to 3 8.

Roxul vs blown in insulation.

American rockwool blown in insulation is produced from recycled blast furnace slag and trap rock which is a fine grained igneous rock. 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. Blown in insulation is typically made using materials often recycled materials such as fiberglass denim paper newsprint and other cellulose materials all of which have been treated using fire retardant materials. Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent.

I know that roxul also makes a safe sound insulation product for sound and fire dampening but i don t think that it has a particularly good r value. Comparing roxul or rockwool with fiberglass insulation for soundproofing isn t quite like comparing apples to oranges. Rock wool generally costs more than fiberglass insulation. Roxul rockboard 80 mineral wool insulation panels are 2 x4 sheets that are 2 thick.

Roxul vs fiberglass insulation for soundproofing. Like wool insulation cellulose is frequently used for residential buildings. The chemicals used to treat these materials are non toxic and safe for use. Comfortboard 80 exterior non structural insulation.

However if we focus on two similar and popular sound control products from each insulation type a comparison works better. There are four types of cellulose insulation blow in loose fill spray on and dense pack. They have a density of 8 lb ft and an nrc of 0 9 so are great for soundproofing mid to upper range frequency is excellent nrc 0 9 or better and a respectable low range coefficient make the roxul acoustic panels a top choice to absorb or reduce sound. I ve been looking at adding additional insulation to my attic to boost from r25 to r60 and have found that cellulose seems to be the cheapest option here too.

Blown ceiling insulation using rockwool 4 in 1 insulation for soundproofing heat retention and reducing fire spread.