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BLM Quickslates provide a simple but effective weatherproofing solution where a pipe penetrates a roof covering.
They consist of a rubber cone vulcanized on to a Lead slate base, manufactured from Code 4 Rolled Lead Sheet. The malleability of the Lead base means that unlike similar products that employ aluminium or hard metal bases, BLM Quickslates can be easily shaped or dressed to suit almost any roof profile.
BLM Quickslates can be easily shaped or dressed to suit almost any roof profile.
They are used where flue pipes and soil stacks penetrate slate, tile, felt and asphalt covered roofs. Quickslates are also suitable for gas flues, withstanding temperatures of 100°C continuously and 120°C intermittently. Two roof pitches are available: 0º - 20º for flat roofs and vertical outlets, and 20º - 40º for pitched roofs. Quickslates suit most pipe diameters up to 125mm.
  • Provides a weathertight joint
  • Saves welding
  • Easier to fit than aluminium and zinc
  • No maintenance required
  • Cut the rubber to suit your pipe diameter
  • Always cut the aperture in the rubber slightly smaller than the required diameter to ensure a weathertight fit
  • Use a water based lubricant or silicone grease to lubricate the neck of the rubber sleeve of the Quickslate prior to fitting
  • Use Lead-Cote to prevent unsightly carbonate from staining adjacent materials
  • It is best not to use Patination Oil on Quickslates so to prevent damage to the rubber
  • Take care not cut outside of the outer ring or into the wall of the upstand
Dimensions and packaging:
  • Base dimensions: 450mm x 450mm and min upstand height 150mm
  • Pipe sizes: Can be cut to suit a range of outside pipe diameters up to 125mm

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

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