Shower Seats and Benches

wedi prefabricated shower seats and benches install much quicker and easier than metal tray or concrete seats. Plus, they bond well to thinset mortar and are 100 % waterproof due to the CFC-free extruded polystyrene closed cell foam core and will not cause efflorescence or discolorations or waterproofing issues as frequently observed with products including those requiring mortar fills. Create the perfect waterproof seating solution for your shower. wedi Prefabricated Suspended Corner Seats do not require additional blocking installed in the framing. Their mounting brackets are fastened into existing wall studs.



Recangular bench made with 51 mm wedi Building Panel.
These units are pre-made and ready for thinsetinstallation against walls and feature a 3 mm slope to the front.

Technical properties Shower Seat and Benches

Rectangular bench made with 51 mm wedi Building Panel, full foam corner seat made of solid XPS foam.
These units are pre-made and ready for thinset installation against walls and feature a 3 mm slope to the front.

wedi Suspended Corner Seat M
Width (wall sides) 432 mm
Length (wall sides) 432 mm
Height 100 mm
wedi Suspended Corner Seat L
Width (wall sides) 610 mm
Length (wall sides) 610 mm
Height 100 mm
Bench rectangular
Width 406 mm
Length 813 mm
Higth 508 mm
Base Material of shower seats and benches XPS/ Extruded Polystyrene Foam Core covered with fiberglass mesh fully embedded in a cement based resin coating
Surface Burning Characteristics; ASTM E84-04 and UL 1715 Passed
Tensile Strength ( Thinset Mortar to wedi Coating to Foam); ASTM C297 0.45 N/mm²
Shear Strength (Thinset Mortar to wedi Coating to Foam); within ANSI 118.10-1999; wet conditions 0.37 N/mm²
Flexural Strength; ASTM C947 4.32 N/mm²
Waterproofness of Assembled System; IAPMO PS 106-2015 Passes
Drain Assembly Kit, WaterMark Passes
Temperature Exposure Limits -58°F to + 175°F
Long-term compressive strength (50 years) ≤ 2% compression EN 1606 0.08 N/mm²
Compressive resistance or compressive strength at 10% compression EN 826 0.25 N/mm²
Fungus & Bacteria Resistance No Growth , Passes
Robinson Floor Test; ASTM C627 *with 200 x 200 x 6mm Porcelain Tile Heavy Duty Commercial Use, Passes
R-Value, ASTM C518 25mm of wedi foam = 4.3
Order no. Designation Length x width x thickness
US3000001 wedi Suspended Corner Seat M 432 x 432 (wallsides) x 100 mm
US3000002 wedi Suspended Corner Seat L 610 x 610 (wallsides) x 100 mm
073784100 wedi Rectangular Bench 406 x 813 x 508 mm sloped

Areas of use Shower Seats and Benches

  • New Construction of Residential/Commercial use buildings
  • Renovation in Residential/Commercial use buildings
  • For barrier free or curbed installations
  • For customized or standard tiled showers
  • Over wooden or concrete substructures


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