| Basement Drainage & Insulation Boards |
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Mar-flex delivers a complete drainage and insulation system for basements, with products that channel water to footing drain/weep tile, protect waterproofing membranes during backfill and divert water from grade to the footer drainage system.
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Mar-flex Drainage & Insulation Boards include semi-rigid boards for protection during backfilling. They also provide thermal insulation.

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Product Showcase |
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A semi-rigid board made from inorganic glass fibers and bonded with a thermosetting resin. Offers protection for the waterproofing or dampproofing membrane during backfilling operations, good drainage properties and thermal insulation.
Compatible with any Mar-flex waterproofing or dampproofing membranes. Should be installed from the top of the footing to the grade line and applied shortly after membrane application and before backfilling operations begin.
18 pieces per bundle, 3' x 4’, R-Value of 3.1. Each bundle contains 216 square feet. Sold by the bundle, 232 bundles per truck load. |
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 DM-48200 |
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A semi-rigid board made from inorganic glass fibers and bonded with a thermosetting resin. Offers protection for the waterproofing or dampproofing membrane during backfilling operations, good drainage properties and thermal insulation.
Compatible with any Mar-flex waterproofing or dampproofing membranes. Should be installed from the top of the footing to the grade line and applied shortly after membrane application and before backfilling operations begin.
12 pieces per bundle, 3' x 4', R-Value of 5.0. Each bundle contains 144 square feet. Sold by the bundle, 232 bundles per truck load. |
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DM-48225 |
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A semi-rigid board made from inorganic glass fibers and bonded with a thermosetting resin. Offers protection for the waterproofing or dampproofing membrane during backfilling operations, good drainage properties and thermal insulation.
Compatible with any Mar-flex waterproofing or dampproofing membranes. Should be installed from the top of the footing to the grade line and applied shortly after membrane application and before backfilling operations begin.
6 pieces per bundle, 3' x 4', R-Value of 10.0. Each bundle contains 72 square feet. Sold by the bundle, 232 bundles per truck load. |
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DM-48250 |
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