Rigid Insulation Vs Mineral Wool

The rock wool is glued between the two sheets and forms a monolithic product.

Rigid insulation vs mineral wool.

Comfortboard 80 is an exterior non structural insulation sheathing that provides a continuous layer of insulation around the commercial or residential building envelope. On a square foot basis mineral wool batts cost more than fiberglass batts. Mineral wool vs fiberglass insulation batts. Mineral wool insulation is made from rock and blast furnace slag.

Mineral wool batts 3 5 thick have an stc of 45 and an nrc of 1 05 are more rigid and have a higher r value inch of thickness. Therma fiber ultrabatt mineral wool is designed to provide therma fiber ultrabatt mineral wool is designed to provide excellent thermal insulation in residential and light commercial building. Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent. Johns manville tempcontrol roxul comfortbatt and thermafiber ultrabatt.

Be aware though that. There are at least three brands of mineral wool batts for thermal wall insulation. Slag wool is more commonly used and accounts for about 80 of the mineral wool industry. As an example the r 15 mineral wool costs about 80 per sq.

Applications of mineral wool include thermal insulation. The raw materials are melted in a furnace at temperatures above 2 600 f. I have listed above the qualities of this type of insulation. Mineral wool is made by melting iron ore slag or basalt which is an igneous rock and spinning fibers like cotton candy.

Lastly mineral wool costs less then fiberglass as it only costs around 1 per square feet. Due to its components mineral wool goes by many names including mineral fiber rock wool slag wool and stone wool insulation. The molten substance is spun into billions of fibers which are formed into insulating blankets with a high recycled content that provide fire resistive characteristics thermal insulation and sound control. Mineral wool is composed of 70 of recycled content as compared to fiberglass insulation which is composed of only 30 of recycled content.

Mineral wool originated in germany in 1871 and was one of the first insulation materials to be. Therefore i would recommend you to use mineral wool for thermal insulation. Rigid mineral wool insulation. Mineral wool in a exterior retrofit brian gray posted in energy efficiency and durability on june 20 2014 10 49am i ve been reading gba and fhb articles on how best to retrofit exterior insulation on a wood frame addition of my otherwise brick and block 1950s ranch.

The insulating core of a rockwool panel is the rock wool also called mineral wool. It is water mold and mildew resistant too.