This powerful, caulk and self-leveling sealant is an outstanding primer-less adhesive to a wide range of substrates. Notably, Sika 1CSL passes ASTM C920 class 25, for plus or minus 25% movement.
No tooling is required and pros appreciate the ‘no-bubble’ formulation. The fast final cure is 3 days. Available in 30 ounce packages.
Pros use Sikaflex 1CSL for all flat work that requires minimum movement and higher shore A hardness. Excellent for application on sidewalks, driveways, exterior control joints and plaza decking.
Helpful Sika Product Information:
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