GeoMat wall waterproofing & drainage membrane

GeoMat “C” Drain 110 Drainage Board

  • Geomat C 110 Drainage Board

All buildings are susceptible to water damage. Drainage boards allow water that has reached the walls of a structure to flow harmlessly away. Without drainage boards, water can saturate a building’s walls or pool around its foundation. GeoMat Type I / “C” Drain Drainage Board is designed to provide buildings with drainage protection at an economical price point. The board is formed from an impermeable polymeric sheet, which is heated to form a dimpled drainage core. The core is then bonded to a single-layer of non-woven filter fabric.

GeoMat Type I/ “C” Drain 110 Drainage Board are designed to allow water to drain through channels created by the dimpled core, while protecting a foundation’s primary waterproofing membrane from damage by soil and sediment. The fabric prevents rocks and dirt coming entering the drainage channels. The result is a cost-effective addition to a drainage system which reduces hydrostatic pressure, allows water drain away from foundations, and protects waterproofing membranes. Type I Drainage Board is easy to install, and can be fastened directly to concrete in prior to backfilling.

GeoMat Type I/ “C” Drain 110 Drainage Board is 25″ thick and provides crucial protection at a low cost. For drainage boards with a greater drainage capacity and compression strength consider our exclusive Shockwave drainage board made from 100% recycled materials. Mar-flex provides products can meet any waterproofing and building need. If you are unsure what level of protection is right for you, please contact us.

GeoMat Type I Drainage board is considered a green product, and can be used toward LEED building credits. With a compression strength of 11,000 psf.

  • Product Details

    Product Details

    Drainage board fasteners

    Fastens board to poured wall, providing an additional bond until backfilled. May be installed into concrete with hammer.

    1-1/4″ 500/box – AI-28134 3/4″ Drain & DryGeo-Mat

    Geo-Mat +

    “C” Drains 110-150-400 Drainage Boards

    Product Information

    DP-48325 – Type I/ “C” Drain 110 is available in

    Roll size: 4′ X 50′
    200 sq. ft./roll
    Thickness: .25″
    Each or 6/pallet

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  • Product Downloads

    Product Downloads

    Product Brochures

    GeoMat "C" Drain Sell Sheet


    3 Part Specification

    3 Part Specification

    Product Data

    Spec Data

    ICC ESR 1901

    SDS-Safety Data Sheet