Knauf DriTherm 32 Cavity Wall Insulation is a non-combustible, water-repellent, glass mineral wool slab designed to give exceptional insulation in masonry cavity walls. Dritherm 32 is semi-rigid and 455mm wide to suit standard vertical tie spacings.Manufactured using Knauf insulation's unique Ecose technology, this non-combustible glass mineral wool insulation can be 'knit' together to eliminate air gaps, further enhancing their insulating properties.Dritherm 32 is a cavity batt insulation that offers exceptional insulation even in structures up to 12 metres tall in any exposure zone and multi-story applications up to 25 metres tall.Cavity slab 32 is a water-repellent insulation. It does not let the water reach the inner leaf of your walls. Additionally, Dritherm cavity slabs are semi-rigid and can be closely knit together eliminating any gaps or spaces in the cavities, that could otherwise allow water ingress. It helps keep moulds and other moisture-related problems away.With Dritherm 32 cavity slab insulation, you can rest assured. Not only does it give your external masonry walls superior insulation and help you save on energy bills but with Knauf cavity insulation you also breathe free and ensure safety. But How?