MARKHAM SUPERSWELL 47B WATERSTOP is butyl hydrophilic polymar based gasket, which has a built-in delay system that activates after approximately 5-10 days of constant exposure to water. MARKHAM SUPERSWELL 47B WATERSTOP is manufactured utilising a specialised mixing process which encapsulates hydrophilic materials into a rubber base creating a controlled, moisture-activated gasket. This gasket has the structural integrity of a rubber-based sealant, the features of a butyl sealant, as well as the ability to expand to create a SELF-HEALING JOINT MATERIAL.
MARKHAM SUPERSWELL 47B WATERSTOP is a unique sealing gasket that expands in a controlled fashion when exposed to moisture, forming a compression seal in concrete joints
Very easy to handle and install. Non Toxic
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Why use? Superswell 47B waterstop is for waterproofing concrete basements, pools, precast infills. A controlled hydrophillic swellable gasket that expands in a controlled fashion when exposed to moisture, forming a seal in concrete joints.