Building & Concrete Supplies

SikaLastic 1K 10kg Pail

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Discover the ultimate waterproofing solution with SikaLastic 1K in a convenient 10kg pail. Engineered by Sika, this high-performance elastomeric waterproofing membrane offers unmatched protection against water ingress and moisture damage. Ideal for a wide range of applications, including roofs, balconies, and concrete structures, SikaLastic 1K provides seamless, long-lasting waterproofing with easy application and excellent adhesion properties. Trust Granex for top-quality construction products, and choose SikaLastic 1K to ensure lasting protection for your projects.

Sikalastic®-1K is a one-component, crack-bridging, fibre-reinforced mortar based on cement modified with special alkali-resistant polymers. Sikalastic®-1K is suitable for application by brush, spray or trowel.


  • One-component product, only water needs to be added
  • Adjustable consistency, easy to apply by brush or trowel
  • Good sag resistance and easy to apply, even on vertical surfaces
  • Good crack-bridging ability
  • Excellent adhesion on many substrates, including concrete, cement mortars, stone, masonry
  • Can be applied on damp substrates

View our available range of Sika products here: Sika Quality Product Range | Granex Trade Supplies