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Ballasted PRMA / Concrete Deck

In a Ballasted PRMA / Concrete Deck, the ballast, smooth 2” x 2’ x 2’ concrete or stone pavers, holds system in place, and should be installed immediately. Under this, a protective mat is loosely laid between the ballast and FOAMULAR® 404 RB or 604 RB insulation, which is loosely laid over FOAMULAR® 404 or 604, which is also loosely laid, rain channels down, over a nondegradable, bond breaking slip sheet as recommended by the membrane manufacturer. The waterproofing membrane is applied directly to the concrete deck.

Products for this Application