• Keene’s Driwall Prefabricated Composite Drain (PCD) are drainage mats designed to eliminate hydrostatic pressure from behind foundation walls, retaining walls, planters, plaza decks and balconies.

    The filter fabric is heat-laminated to one side of the drainage mat to hold soil or concrete away from the wall or deck and keep the drainage plane clear. When using Driwall Prefabricated Composite Drain, aggregate for drainage can be eliminated from the construction site.

    Driwall PCD’s 4 versions: 

    Benefits include:

    • High flow rate – in excess of 10 gallons per minute
    • Fire resistant – Class A fire rated product
    • Minimal deflection, and no creep or long-term degradation
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