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Standard Lead Slate

BLM Standard Lead Slates are used wherever a pipe penetrates a roof covering to provide a weathertight joint. They can be used on tiled, asphalt, felt and slate roofs.
Standard Lead Slates are manufactured using Code 4 Rolled Lead Sheet to provide the base and upstand. A range of standard outlet sizes and pitches are available from stock. Any diameter outlet, roof pitch and, for deep profiled tiles, larger base sizes with adequate weathering laps can be manufactured to order.
 
Standard Lead Slate
BLM Standard Lead Slates are used wherever a pipe penetrates a roof covering to provide a weathertight joint. They can be used on tiled, asphalt, felt and slate roofs.
  • Standard slates suit roof pitches of 30-40 degrees and 90 degree angles for flat roofs and vertical outlets
  • Outlets to suit 75mm, 100mm, 125mm and 150mm outside pipe diameters
  • Provides weathertight joint
  • Saves welding
  • No maintenance required
  • Lasts a lifetime
  • Ensure in all cases that slates/tiles are fitted closely to the soil pipe
  • A welt should be formed on the upper edge of the base before the tiles are fitted to prevent any driven rain penetrating the roof structure
  • For plastic pipes, a standard plastic collar should be solvent cemented to the top of the pipe to provide a watertight weathering
  • For cast iron pipes, once in position, the top edge of the upstand should be dressed into the flue for weathering purposes
  • Apply Patination Oil to prevent unsightly white carbonate from staining adjacent materials
Dimensions and packaging:
  • Base size: 450mm x 450mm and min upstand height 150mm
  • Non-standard sizes can be supplied to special order to suit different outlet diameters, upstands, roof pitches and base sizes

A Product Data Sheet providing advice on its use can be found on the download below

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