Supafil 40 Cavity Wall Insulation is a water repellent, non combustible glass mineral wool for injection into masonry cavity walls and is installed by approved Knauf Insulation contractors. Supafil 40 Cavity Wall Insulation is classified as Zero ODP and Zero GWP.
Standard product features
Euroclass A1 to BS EN ISO 13501-1.
A+ generic BRE Green Guide rating.