The highest quality German
damp-proofing products
available in the UK
Heyen Concrete Waterproofing Expanding Sealant

Heyen Concrete Waterproofing Expanding Sealant


Heyen Expanding Sealant is a water swelling mastic used as a waterstop.


Item Number: 567432

Weight: 0.3kg

  In Stock
Buy 12 or more for £20.41 each

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To seal joints in: Cast in place concrete, pre cast segments, around pipes, H Beams, Man-holes, box culverts etc. Good adherence to concrete, steel, masonry, synthetic pipes etc. Heyen Expanding Sealant becomes an elastic sealing strip and expands after hardening in contact with water 250% to form a compression seal.


Pack of 4 x Tubes 310ml

For more information and techical assistance, please call 07801927519