T. Clear insulating drainage panels are manufactured with a series of closely spaced vertical and horizontal channels that help direct ground water flow to the drain. Adhered to the channeled surface is a spunbonded geotextile filtration fabric preventing soil from entering and clogging the channels.
Mineral wool and glass fiber drainage products deform when compressive load is applied. THERMADRY® Insulating Drainage Panels withstand compressive loads limits with deformation to less than 1.5% over a 20-year time frame. As a result, high drainage rates and insulation values are maintained.
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