Rigid Insulation Vs Mineral Wool

Be aware though that.

Rigid insulation vs mineral wool. Mineral wool vs fiberglass insulation batts. 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 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. The raw materials are melted in a furnace at temperatures above 2 600 f.

Applications of mineral wool include thermal insulation. Rigid mineral wool insulation could be indeed a great alternative to xps board insulation. As an example the r 15 mineral wool costs about 80 per sq. The semi rigid batts are more dense than traditional batts or rolls and are quick and easy to install.

The rock wool is glued between the two sheets and forms a monolithic product. Johns manville tempcontrol roxul comfortbatt and thermafiber ultrabatt. Mineral wool originated in germany in 1871 and was one of the first insulation materials to be. Comfortboard 80 is an exterior non structural insulation sheathing that provides a continuous layer of insulation around the commercial or residential building envelope.

The insulating core of a rockwool panel is the rock wool also called mineral wool. I have listed above the qualities of this type of insulation. Due to its components mineral wool goes by many names including mineral fiber rock wool slag wool and stone wool insulation. Lastly mineral wool costs less then fiberglass as it only costs around 1 per square feet.

Slag wool is more commonly used and accounts for about 80 of the mineral wool industry. 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 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. On a square foot basis mineral wool batts cost more than fiberglass batts.

Therefore i would recommend you to use mineral wool for thermal insulation. It is water mold and mildew resistant too. Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent. There are at least three brands of mineral wool batts for thermal wall insulation.

Mineral wool is made by melting iron ore slag or basalt which is an igneous rock and spinning fibers like cotton candy. Mineral wool insulation is made from rock and blast furnace slag.