Glass mineral wool

Soft yellow roll of glass fibre.

Glass mineral wool roll for sound insulation in internal stud walls and timber joist floors.
Source: Builder Depot

Glass mineral wool roll for sound insulation in internal stud walls and timber joist floors.
Source: Builder Depot

Glass mineral wool roll for insulating pitched and flat roofs, and suspended timber ground floors.
Source: Builder Depot

Glass mineral wool insulation slab for thermal and acoustic performance in various building applications.
Source: B&Q

Glass mineral wool roll for cold lofts at ceiling level; combi-cut partially perforated for flexibility.
Source: B&Q
Sources: product listings from B&Q, Builder Depot, checked on 31-10-2026. Photos are from Builder Depot (with permission) the manufacturer or the shop (shown under each photo); where there is no photo we show a drawing. Original Fixiz Academy text; data can change, always check the manufacturer data sheet.