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DCT-R20-3

METAL ROOF OVER AN INSULATION BLANKET AND RIGID XPS THERMAL BREAKS (DRAINAGE BATTEN)

Pitched metal cathedral roof externally insulated with a continuous vapour and air retarder faced mineral fibre insulation blanket supported by a safety mesh or strapping. The full thickness of the insulation is maintained using a rigid DCT XPS thermal break at each purlin. The ProctorPassive Drainage Batten installed above the vapour permeable ProctorWrap HTS sarking at each purlin, provides for drainage, ventilation and separation.

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ProctorPassive Intumescent Drainage Batten (DB-FR) is a high compressive strength drainage batten for roof and wall applications and is constructed from an intumescent polyolefin extrusion.

Enviroseal ProctorWrap High Tensile-Roof (HT-S) is a medium weight highly durable medium duty vapour permeable roof underlay for use in tiled, slate and metal roof applications. Enviroseal ProctorWrap HTS-IT is supplied with double integrated tape. 

DCT XPS Thermal Break Strips are closed cell high compressive strength, low moisture absorption extruded polystyrene (XPS) strips to serve as thermal breaks for roofs in commercial and residential applications.

ProctorPassive SmartVap is a light duty air barrier and variable vapour diffusion vapour control membrane.

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