Attic Insulation Rockwool

Asbestos is a fiberous form of silica and traces of material that appear similar to asbestos under.

Attic insulation rockwool.

It is a manufactured product made by melting basaltic rock and dolomite with added binders. Rock wool is usually gray white off white or brownish white. Thermafiber insul fill blown in attic mineral wool insulation is a premium loose fill product specifically designed for blown applications in new and existing structures. 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.

Rock wool generally costs more than fiberglass insulation. 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. Rock wool is a silica based stranded insulation very similar to fiberglass. The specific type of rock used to make rockwool insulation is basalt a volcanic rock that melts at approximately 3 000 degrees fahrenheit.

It features a unique flexible edge designed to compress as the batt is inserted then spring back expanding the batt against the frame studs to give a complete fill. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Rock wool insulation. Rockwool comfortbatt is a semi rigid stone wool batt rockwool comfortbatt is a semi rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations.

Select your attic insulation application. Rock wool insulation can be installed wherever you d install fiberglass or any other type of insulation including walls floors ceilings attics and crawlspaces. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. 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.

Another mineral based loose fill insulation is rock wool which has a fibrous soft cottony texture.