Cellulose has an R-value of 3.5 per inch of insulation ... about the same size as fiberglass batt insulation but denser. Mineral wool also repels water so mold can’t grow on these batts.

Complete envelope solution, tailored-made project solutions, prefabricated, self-supporting, multi-spanning, long spans, fast & easy installation, extreme thermal values, mineral wool insulation ...

Trapped air between glass or mineral wool fibres reduces heat loss by conduction and convection. Walls 35 Cavity wall insulation fills the cavity between the outside walls with mineral wool ...