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The Largest Building Products Directory in the UK |
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Roof valleys and troughs are the sloping angles that occur where two roof planes meet. It is where rainwater flows and collects before being channeled down the roof's gutter system. The standards associated with these features are specified in BS 5534, which sets out guidance for roofing contractors and materials manufacturers to ensure that they are installed correctly, safely and to high standards.
Marley supplies the widest range of roofing slates, concrete and clay roof tiles, fittings and accessories.
Main Product catagories: Threshold cavity trays, Cavity cloaks, DPC, Remedial cavity trays, Cavity trays, Party wall trays, Cavity weeps, Wall ventilators, Valley gutters, Cavity closers, cavity closers sash frame, Fire barriers, Fire stops, Cavity closers wide cavity, Access panels fire resistant, Access panels, Cavity socks, Damp proofing membranes, Dampcourse jointing tapes, Dampcourses gas resistant, Membranes Contaminated land, Radon protection systems, Roof space ventilators, Ventilation grilles, air bricks, air brick adaptors, Ventilation roof void, Ventilation roof space.
