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Repairs & Waterproofing
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MarineCoat Tapecrete Elastra ER100 GelSeal Bulk Polymers


ASTEK GelSeal 104 is a water-based penetrating sealer, dust-proofer and hardener for old and new concrete. GelSeal 104 reacts with the free lime in concrete to create a permanent gel which is a barrier to water penetration and also improves the durability of the concrete surface.

Key Features
Typical Applications