Architectural · A-Q9EZ8

Typical Slab on Grade Vapor Barrier

Materials

Elements

Floors / Slabs Waterproofing / Flashing Drainage

About this detail

A concrete slab on grade assembly is placed over a multi-layer sub-base. A vapor barrier is installed directly beneath the concrete slab with four-inch wide vapor barrier tape sealing the joints with a six-inch typical lap. Below the vapor barrier, a quarter-inch protection board rests over drain rock and filter fabric. The entire assembly sits on compacted soil prepared to eighty-five percent compaction.

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