MiraCLAY® GM

GeoMembrane Sodium Bentonite Waterproofing

MiraCLAY GM-307617

MiraCLAY® GM

GeoMembrane Sodium Bentonite Waterproofing

Henry MiraCLAY® GM Bentonite CLAY Waterproofing Membrane with a GeoMembrane Liner is a needle-punched, thermally reinforced composite comprised of a uniform layer of sodium bentonite clay sandwiched between a puncture-resistant, non-woven geotextile and a slit film woven geotextile.

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Product Details

Henry MiraCLAY® GM Bentonite CLAY Waterproofing Membrane with a GeoMembrane Liner is a needle-punched, thermally reinforced composite comprised of a uniform layer of sodium bentonite clay sandwiched between a puncture-resistant, non-woven geotextile and a slit film woven geotextile. Needle-punched fibers are then thermally fused to the woven geotextile and an HDPE film is applied to the woven surface for lower hydraulic conductivity. MiraCLAY GM is designed for waterproofing below-grade structural slabs as well as construction methods incorporating lagging, concrete caisson or shotcrete retention walls. MiraCLAY GM is also very effective in rehab waterproofing and zero clearance property line construction.

  • The MiraCLAY GM waterproofing membrane has the ability to heal itself if ripped or punctured

  • In a hydrated state, the bentonite clay has tremendous impermeability and excellent resistance to chemicals

  • Has the ability to expand and seal minor cracks in concrete up to 1⁄16" in width

  • Polyethylene membrane attached for added waterproofing protection

  • Tested and certified by NSF

Technical & Installation

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