RESOURCES & TOOLS

Detailing Series

Shower Detail – Tile

TCNA Method B421 Curbless - Metal Studs, CBU Backing, Bonded Waterproof Membrane, 2-stage Drain

This detail shows a tiled shower assembly based on TCNA method B421C. It illustrates metal stud backing with cement backer board. This shower has no curb, making it handicapped accessible. The receptor comprises a mortar bed with 1/4″ per foot slope to drain and a topical bonded waterproof membrane that ties into a 2-stage drain with weep protection. The shower walls include an optional vapor retarder membrane. The tile finish is adhered to the shower floor and walls with a bond coat of modified thinset cement mortar.

Assembly

Other

Primary Material

  • Tile

Backing Material

  • Steel Framing

Assembly Type

  • Specialty Assembly

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