Knauf Insulation's range of glasswool insulation is your sustainable solution for meeting NZBC H1 regulations. Manufactured using state-of-the-art technology, Knauf Insulation products are certified DECLARE red-list free, confirmation that these products are free from chemicals known to pose harm to human health. Available for ceilings, skillions and walls, the Knauf Insulation residential range is compression packed in the new Knauf Insulation branded packs with application specific coloured labels.