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Lead Pointing Sealant

Lead Pointing Sealant

Specifically designed for pointing joints between Lead and masonry or brickwork. BLM Lead Pointing Sealant is a low modular neutral cure silicone sealant recommended by the Lead Sheet Association. Lead Pointing Sealant

  • Gives a permanent, flexible, waterproof joint that can withstand the different rates of thermal movement of Lead and masonry during temperature changes.
  • Coloured grey to blend in with the Lead work, no mixing required.
  • It’s faster and easier to use than mortar, with a high adhesion to Lead and masonry - for use in joints with or without damp-proof courses.
  • The average tack free time is approximately 30 minutes, dependant on ambient temperature.

Available in 310ml tubes.

 

Technical Data Sheets (Printable PDF's)

Lead Pointing Sealant

Lead Pointing Sealant Health & Safety Data Sheet

  • Ensure the joint is dry and free from debris and dust before applying sealant.
  • Lead Flashings being pointed into joints over 18mm wide should be fixed using a stainless steel screw and washer at 450mm centres where the Lead is turned up the back of the chase.
  • The nozzle on the sealant tube can be cut to suit the width of the joint to be filled. Be careful not to cut it too wide at first!
  • Acid cure sealants can damage and stain Lead work.