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Parcel Orders over $300 Ship Free.

Adeka Ultra Seal is an innovative "Double-Locking" hydrophillic rubber waterstop. Adeka stops water by compression of the rubber and by hydrophillic expansion pressure when the seal is exposed to water. Adeka has been a leading hydrophillic rubber waterstop since 1977. Great for sealing construction joints, pipes, and tunnels. We’ve got popular options like MC-2010MN and P-201. Browse now for easy, no-fuss waterproofing that works.