Tag Archives: drainage

Plaza Deck Restoration: Principles of drainage and waterproofing

Plaza deck waterproofing typically requires replacement at some point during the building’s life. Restoration of the waterproofing system over occupied space poses many challenges, both in design and construction. Typically, plaza decks now being subject to restoration were constructed many years ago and do not include subsurface drainage or adequate deck slope at the waterproofing membrane level.

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