Patent ID: RE38950

Claim:
A waterproof deck comprising: a deck subfloor supported on joists adjacent a building; a drip edge having an inverted, generally L- shaped cross - section with a first portion attached along the an upper surface of an edge of said deck subfloor and a second portion depending from said first portion and overlaying an end of said deck subfloor where by water runs off of the deck is adapted to run over the drip edge and off the deck ; an elastomeric waterproofing material covering said subfloor and overlaying said first portion of said drip edge and extending downward onto said second portion of said drip edge ; a strip of T-bar edging attached along the edge of said subfloor and having one portion extending over said elastomeric waterproofing material and over said drip edge and another portion extending above said subfloor to form a raised edge therealong; and a concrete floor covering said elastomeric waterproofing material and subfloor to a level approximately along the top edge of said T-bar raised edge, whereby water drains off said concrete floor over said T-bar edging and drains from beneath said concrete floor over said drip edge to prevent collection of water below said concrete floor ; and a plurality of spacers positioned between said T - bar edging portion and said elastomeric material to thereby form a space under said T - bar edging whereby water accumulated under the concrete floor is adapted to run over the elastomeric material and the drip edge .