Mineral stone wool insulation batts are slightly better insulators than the off-the-shelf fiberglass batts sold at most lumberyards and home centers. Mineral wool batts for 2×4 walls have an R ...

Major wool insulation market participants include Armacell, BASF, Fletcher Insulation, Greenfiber, Huntsman International LLC ...

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 ...