TREMDrain™ DPI Data Sheet

TREMDrain DPI is an optional drainage, protection and insulation board designed for use primarily with TREMproof® 260 SprayApplied Waterproofing Membrane. TREMDrain DPI’s unique and proven glass fiber design promotes efficient water drainage and the retention of the board’s Rvalue. The semi-rigid nature of the board acts as a protection course for the TREMproof 260 waterproofing membrane.

TREMDrain DPI is an excellent way to address below-grade energy efficiency needs. It fulfills requirements specified in ASHRAE 90.1 which call for below-grade walls to have “a rated R-value insulation not less than” what is specified for the climate zone.

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