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Leaded preformed horizontal cavity tray system, including corner and stop end units, suitable for new build brick, block and stonework constructions. Sections join together to form a water tight seal, by means of a lapped joint, which is sealed with factory applied butyl mastic tape to form the main cavity tray run. Supplied with factory fitted lead flashing (long or short lengths), which presents a quicker and straightforward installation, as the cavity trays and flashings are installed in a single operation, rather than multiple trades, as well as a consistent protective and aesthetical finish. For external wall constructions not exceeding 102.5mm in thickness and clear cavity widths of between 50mm and 125mm • trays to suit clear cavity widths of 126mm+ are available to order. Available in two standard lengths, to allow build to standard brick bonding lengths for ease of use: • 880mm for general use • 460mm to reduce waste when making up a run of cavity tray to the required length. Preformed horizontal cavity trays provide protection from water penetrating the external wall leaf of a cavity wall down through to the internal wall leaf in specific vulnerable areas across the building such as: • the abutment of a flat, lean to or mono-pitched roof • over concrete ring beams • over building components that can act as a through cavity carrier such as air bricks, meter boxes, ducts and cavity liners. Also available supplied unleaded for flashings to be installed separately on site or fitted with convenient mortar barrier strips to aid the installation of post fitted lead flashing.. Preformed cavity tray systems are an effective method of DPC and present many benefits such reliability, speed of installation, reduced cold bridging opportunity and site waste.
|Size & Weight|
|Max Length (?)||880 mm|
|Max Width (?)||125 mm|
|Min Length (?)||460 mm|
|Min Width (?)||50 mm|
|Thickness (?)||2 mm|
|Certifications & Ratings|
|Certifications (?)||ISO 14001, ISO 9001|
|Typical Use (?)||External walls|
|Materials & Finishes|
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