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Tile And Stone Installation Systems
MAPEI > PRODUCT > Flexible, Hydrophilic Polyurethane Foam or Gel Resin - Resfoam™ HL 35
Flexible, Hydrophilic Polyurethane Foam or Gel Resin
Resfoam HL 35 is a single-component, water-activated hydrophilic polyurethane used for sealing cracks or joints in concrete structures that are subject to continuous moisture exposure. Depending on the water-to-resin ratio, Resfoam HL 35 will vary in consistency from a resilient rubber-like foam to a flexible gel. Resfoam HL 35 is capable of absorbing water up to 800% of its own mass and subsequently prevents water from penetrating into a structure. This unique feature allows Resfoam HL 35 to be used for large water-inflow applications, such as manholes or below-grade structures with active water leaks. Once cured, Resfoam HL 35 provides a watertight, elastomeric seal that stops the penetration of water through cracks or voids.
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