breather Archives - Trims Building Products Wakefield https://www.trimsbp.co.uk/product-tag/breather/ A wide range of building and roofing supplies in our 11,000sqft warehouse holds stock including fascias, soffits, guttering, cladding, windows, doors & more Thu, 04 Jun 2026 13:33:57 +0000 en-GB hourly 1 Cromar Vent 3 Air 1m x 50m https://www.trimsbp.co.uk/shop/roofing/breathable-underlay/cromar-vent-3-air-1m-x-50m/ https://www.trimsbp.co.uk/shop/roofing/breathable-underlay/cromar-vent-3-air-1m-x-50m/#respond Thu, 16 Nov 2023 16:00:08 +0000 https://www.trimsbp.co.uk/?post_type=product&p=14946 VENT3® AIR has the ability to allow air to pass through while blocking the passage of water. It is specially designed to have a high degree of air permeability while remaining watertight. VENT3® AIR has a waterproof layer that prevents water from entering the roof structure. This helps prevent condensation within the roof structure, which can lead to rot, mold, and reduced insulation efficiency.

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