Rockwool Vs Ceramic Wool

Mineral wool has a slightly higher r value ranging between 3 0 and 3 3 per inch.

Rockwool vs ceramic wool. Mineral wool manufacturers often list compressive strength values in pounds per square foot psf and allow greater deformation during the test misleading one to think they have high values. Rockwool s popular stone wool fire and acoustic batt insulation is now offered in a new 6 thickness. How they stack up. When converting psf to psi and using the same test method as polyiso mineral wool provides less than half of the compressive strength of standard polyiso.

Mineral wool is made of inorganic fibers derived from basalt a volcanic rock in semi rigid to rigid board form. Rockwool insulation is a stone based mineral fiber insulation comprised of basalt rock and recycled slag. The thermal resistance of insulation is measured by what s commonly known as the r value and the higher the r value the better. Mineral wool has cheaper making cost so the price is cheaper.

Both types are popular and readily available. Rockwool products contain between 16 or 40 pre consumer recycled material dependent on the rockwool manufacturing facility location. Mineral wool is also known as mineral fiber mineral cotton mineral fibre man made mineral fibre mmmf and man made vitreous fiber mmvf. Specific mineral wool products are stone wool and slag wool europe who also includes glass wool which together with ceramic fiber are completely man made fibers.

Prices can vary at any time but expect to pay around 0 10 more per inch for mineral wool versus fiberglass. So if using the thermal insulation material mineral wool is a better choice. Rock wool has higher quality at the same with higher price. Slag wool was first made in 1840 in wales by edward parry but no.

Third the cost performance is different. Fiberglass has an r value of approximately 2 2 to 2 7 per inch of thickness. Mineral wool also known as rock wool or stone wool is made from a selection of raw materials such as stone and glass these raw materials are treated in a similar way to glass in that they are melted at high temperatures until they melt and then they are spun to form fibres similar to wool. The recycled content in mineral wool is derived from the steel slag.

Mineral wool insulation or rockwool typically costs more per inch than fiberglass insulation.