Pre-Sloped Waterproof Shower Base

Linear Drain XPS Shower Base Tray

A low-cost, easy-to-install waterproof shower base built around an extruded polystyrene (XPS) core coated with glass fiber mesh and polymer cement. Pre-sloped to drain and ready to tile in modern wetroom designs.

XPS Core Lightweight Structure Pre-Sloped Drain-Ready Panel Linear / Square Drain Options
XPS shower tray base with linear drain
Sanyi XPS shower tray waterproof base detail
Product Overview

Waterproof shower base for modern wetroom design

Also known as waterproof shower base, shower pan, shower lay, or wetroom floor insulation board — this tray is built from an extruded polystyrene sheet (XPS) core with glass fiber mesh and polymer cement coated on both sides, then pre-sloped to fall.

It is a low-cost, easy-to-install waterproof base used in the design of a wet room for the home, suitable for fixing to both timber and concrete floors. The tray is easily cut into any size or shape and forms a floor-level, barrier-free panel ready to receive tiles with a preformed slope to the drain.

XPSExtruded polystyrene core
Mesh + CementBoth-side coating
Barrier-FreeFloor-level finish

Engineered for fast, reliable wetroom installation

A pre-sloped, tile-ready shower base that combines insulation, waterproofing, and drainage in a single lightweight panel — easily fabricated on site to suit any layout.

XPS Core

Extruded polystyrene sheet provides a stable, lightweight, and thermally insulating base for tile finishes.

Mesh & Cement Coating

Glass fiber mesh and polymer cement bonded to both sides provide a durable surface ready for waterproofing and tile.

Pre-Sloped to Fall

Factory-formed slope channels water to the drain — no need to build site-formed mortar slopes.

Easy to Cut & Fit

The tray can be cut to any size or shape and installed over timber or concrete floors as a barrier-free panel.

Technical Data

Product specifications

Standard patterns for the North American and European markets. Customized sizes and shapes are available to suit project layouts and distributor requirements.

Product Linear Drain XPS Shower Base Tray Application Bathroom, Wetroom, Shower Installation
Core Extruded Polystyrene Sheet (XPS) Surface Glass Fiber Mesh + Polymer Cement (Both Sides)
Slope Factory Pre-Sloped to Drain Drain Options Center, Offset, Linear, Side Linear
Substrate Timber Floor or Concrete Floor Finish Tile-Ready, Floor-Level, Barrier-Free
Customization Any Size / Shape Cut to Project Service OEM / ODM, Distributor Supply, Project Support
North American Pattern

Standard sizes — North American market

Imperial-sized shower base patterns commonly supplied for the North American market.

32" x 60" x 1.5" 813 mm x 1524 mm x 38.1 mm 5' x 5' x 1 1/2" 1524 mm x 1524 mm x 38.1 mm
3' x 5' x 1.5" 914 mm x 1524 mm x 38.1 mm 4' x 6' x 1 1/2" 1219 mm x 1830 mm x 38.1 mm
4' x 5' x 1.5" 1219 mm x 1524 mm x 38.1 mm Customized Pattern and size made to project requirements
EURO Market Pattern

Standard sizes — European market

Metric square trays and linear drain trays commonly supplied for the European market.

Square Tray 800 x 800 x 20 mm Linear Tray 900 x 900 x 25 mm
Square Tray 900 x 900 x 20 mm Linear Tray 900 x 1200 x 25 mm
Square Tray 1000 x 1000 x 20 mm Linear Tray 900 x 1500 x 25 mm
Rectangular Tray 900 x 750 x 20 mm Linear Tray (Side) 900 x 1200 x 25 mm (Side Linear)
Rectangular Tray 800 x 1200 x 20 mm Linear Tray (Side) 900 x 1500 x 25 mm (Side Linear)
Rectangular Tray 900 x 1200 x 20 mm Linear Tray 900 x 1800 x 25 mm

Linear & Square Drain Wetroom Trays

Shower trays are specifically designed to help you create a contemporary wetroom — choose linear or square drain layouts depending on your project.

Linear drain shower tray with grate, waste and adaptors
Linear Drain Tray

Linear drain shower base layout

A clean, contemporary wetroom finish with a slim linear drain along one edge of the tray. Supplied with the components needed for a complete drain assembly.

  • Linear Drain Grate
  • Waste & Inner Odor Trap Part
  • 40 / 50 mm Adaptor & Screw
  • Plastic Ring & Sealing Components
Square Drain Tray

Square / center drain shower base layout

A traditional square drain layout with the slope falling toward a central drain. Multiple grate styles can be supplied to match the bathroom design.

  • Square Drain Grate (multiple styles)
  • Waste & Inner Odor Trap Part
  • 40 / 50 mm Adaptor & Screw of Adaptor
  • Plastic Ring & Sealing Components
Square drain shower tray with grates and adaptors
Shower Tray Assembly

Shower tray with accessories — supplied as a complete kit

Each tray can be supplied with the accessories required to complete the waterproof shower assembly — drain components, sealing tapes, gaskets, pipe collars, and bonding sealant — for a faster, more reliable installation.

01 Pre-sloped XPS shower base panel 02 Linear or square drain grate 03 Waste and inner odor trap 04 40 / 50 mm pipe adaptor and screw 05 Pre-formed pipe collars and gaskets 06 Waterproof sealing tape / bandage 07 Bonding sealant for joints and corners
Shower tray supplied with waterproof accessories
Accessory Shower System

A complete waterproof shower system from one supplier

The shower tray works together with a full range of waterproofing accessories — so contractors and distributors can source the entire wetroom system as a single, coordinated package.

  • Uncoupling Membrane
  • Rubber / Liner Rolls
  • Linear Drain & Linear Shower Tray / Pan
  • Square / Round Drain
  • Shower Base — Center or Offset Drain
  • Shower Curb
  • Foam Board — Yellow / Blue Foam, Black Concrete Skin
  • Inside / Outside Corners
  • Pipe Collars & Mixing Valve Seal

Export-ready shower system supply

Trays and accessories are packed for safe export shipment and ready for distributor inventory, project supply, and private-label programs.

Kit packaging Export shipment Custom sizes Private label
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Accessory gallery

Waterproofing components commonly supplied alongside the shower tray system.

Shower waterproofing accessory

Corners & Membrane

Inside and outside corners with uncoupling membrane for waterproof transitions.

Pipe collars and drain accessories

Pipe Collars & Seals

Pre-formed collars and seals for pipe penetrations and mixing valves.

Sealing tape and reinforcement mesh

Tape & Mesh

Waterproof sealing tape and reinforcement mesh for joints and seams.

Bonding sealant and fixings

Sealant & Fixings

Bonding sealant and mechanical fixings to complete the waterproof shower installation.

Related products

Build a complete waterproof wetroom with compatible product categories.

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