Shower Tray Surfaces
wedi Fundo Top
Pre-finished overlay panels bonded directly to wedi Fundo trays with wedi 610. Available in point and linear drainage variants in stone, concrete and marble finishes.
View Fundo Top →Brand Profile · German Engineering
Wet Room Systems · Est. 1983 · Made in Germany
The world's leading manufacturer of waterproof XPS-based wet room building systems. wedi Fundo trays, building boards, Sanoasa benches and design surfaces — supplied by Wetrooms Online, your UK-certified wedi experts.
✓ wedi Certified Experts
Trade Club Welcome
40+ Years of Innovation
50+ Countries Worldwide
Certified UK Supplier
💧
100% Waterproof
From 2mm XPS core out
🏆
10-Year Warranty
On all sealing system products
⚙️
System Compatible
All wedi products work together
✂️
On-Site Cuttable
Without voiding guarantee
About wedi
German Engineering Since 1983
Who Are wedi?
Founded in Germany in 1983, wedi GmbH has spent over four decades pioneering waterproof building systems for bathrooms and wet rooms. Today, wedi products are trusted by professional contractors and specifiers in more than 50 countries worldwide.
wedi's core innovation — the extruded polystyrene (XPS) foam building board — transformed wet room construction. Unlike traditional screed or blockwork substrates, wedi products are waterproof to their core, lightweight, dimensionally stable and can be tiled directly without a separate tanking membrane.
Part of the global ARDEX Group, wedi combines world-leading building chemicals R&D with the specialist focus of a dedicated wet room manufacturer — resulting in a product range that is continuously tested, certified and improved, backed by one of the most comprehensive warranties in the industry.
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40+
Years in business
50+
Countries served
10yr
System warranty
100%
Waterproof core
wedi Fundo
Wet Room Shower Trays
wedi Fundo Wet Room Shower Trays
The wedi Fundo range is the UK’s most specified wet room tray system — offering flush-to-floor, barrier-free shower solutions for new builds, renovations and specialist installations.
All wedi Fundo trays feature a factory-set fall, reinforced XPS surface for direct tiling, and can be cut on site without voiding the manufacturer’s guarantee — a genuine advantage on complex refurbishment projects.
Point Drainage Trays
- wedi Fundo Primo — Square and rectangular trays with central or offset point drain; multiple sizes to 1600×1000mm
- wedi Fundo Integro / Plano — Low-profile from 20mm installation height; ideal for solid-substrate renovation
- wedi Fundo Ligno Plus — Purpose-engineered for suspended timber floors with additional reinforcement
- wedi Fundo Borgo / Trollo / Nautilo — Quadrant, round and snail configurations for specialist installations
Linear Drainage Trays
- wedi Fundo Riolito Neo / Riolito — Integrated short or long linear channel; wall-close or central drain positions
- wedi Fundo Plano Linea — Long-channel format for wide-format walk-in designs up to 1600mm
- wedi Fundo Flex — Maximum design flexibility with precision fall geometry and high-hygiene surface
💡 Trade Tip
All wedi Fundo trays meet Building Regulations Part M requirements for accessible shower design — the go-to choice for DFG-funded and local authority housing projects.
wedi Building Systems
Substrate & Structure
wedi Building Boards & System Boards
wedi building boards are the trusted substrate of choice for professional wet room installers across the UK — providing a 100% waterproof, lightweight and dimensionally stable surface for tiles, stone and design surface finishes.
Every wedi building board is manufactured from XPS foam faced on both sides with glass-fibre reinforced polymer coating — immediately waterproof without a tanking membrane. CE marked and approved for use in high-humidity environments including steam rooms and commercial spa facilities.
| Product | Thickness | Best For |
|---|---|---|
| wedi Building Board | 6 / 10 / 20 / 30 / 50mm | Walls, floors, shower enclosures |
| wedi Sanwell Top Niche | Custom | Recessed shower niches |
| wedi Functional Elements | Various | Corner joints, pipe boxing, profiles |
| wedi Wall Elements | Various | Full-height modular wall panels |
- Waterproof to the core — no tanking membrane required
- Up to 80% lighter than traditional cement board
- Cut on site without losing waterproof integrity
- CE marked for use in wet and steam rooms
- Excellent thermal and acoustic insulation properties
- Compatible with all wedi system adhesives
wedi Sanoasa
Wet Room Seating
wedi Sanoasa Shower Benches
The wedi Sanoasa range brings spa-quality shower seating to residential and commercial wet rooms — fully waterproof, tile-ready and engineered to integrate perfectly with the wider wedi building system.
Constructed from XPS foam, Sanoasa benches are fixed directly to the wall structure and tiled immediately — no screed base, no curing wait. Finish with tiles or a coordinating wedi Sanoasa Top design surface for a grout-free result.
- Sanoasa Bench — Standard L-section wall-fixed shower bench in multiple widths
- Sanoasa Corner Seat — Compact triangular seat for walk-in configurations
- Sanoasa Lounger — Full-width bench seating for spa and wellness facilities
- Sanoasa Top — Factory-finished overlay eliminating on-site tiling
wedi Design Surfaces
Tile-Free Finish Options
wedi Design Surfaces — Finish Without Grout Lines
wedi's factory-finished design surfaces provide a contemporary, grout-free alternative to tiling — offering a premium finish that is quick to install and easy to maintain.
Wall Surfaces
wedi Top Wall
Large-format surface panels for wet room and shower enclosure walls. Applied directly to wedi building boards — no tiles, no grout, no additional waterproofing required.
View Top Wall →
Bench & Seat Surfaces
wedi Sanoasa Top
Factory-finished design overlays for the Sanoasa bench and corner seat range. Matching finishes across the wedi Top collection for a fully coordinated scheme.
View Sanoasa Top →Available Finishes — wedi Top Surface Range
Available in concrete grey, natural stone, marble effect and more — with matching accessories for a fully coordinated wet room. Contact our trade team for current finish availability.
System Installation
wedi Installation & Fixing System
wedi's system accessories cover every stage of the wet room installation — from substrate fixings through to sealing, bonding and finishing. Using wedi system products is the only way to maintain the full 10-year manufacturer's warranty.
1
Fix the Substrate
wedi building boards fixed to wall studs or solid backgrounds using wedi Screws & Washers. Boards butt-jointed, staggered from corners.
2
Seal All Joints
All butt joints and corners sealed with wedi 610 Adhesive Sealant and reinforced with wedi Sealing Tape — creating a continuous waterproof layer.
3
Set the Tray
wedi Fundo tray bedded using wedi 200 Setting Compound, drain connected, wall-to-floor junctions sealed using wedi 610 and sealing tape.
4
Tile or Finish
Tile using wedi 320 Tile Adhesive, or bond a wedi design surface with wedi 610. No primers, no tanking membrane, no additional waterproofing.
Bonding
wedi 320 Universal Tile Adhesive · wedi 610 Adhesive & Sealant · System adhesive mortars
Sealing & Decoupling
wedi Sealing Tape · Joint sealing compound · Decoupling matting for movement joints
Fixings
wedi Screws & Washers · Point load fixings · Corner and edge profiles
Backed by wedi
The wedi 10-Year Warranty
wedi's 10-year system warranty covers all wedi products with a building sealing function — tested and certified annually by an independent testing institute. One of the most comprehensive warranties available in the UK wet room market.
10
Year Warranty
All wedi products with a sealing function covered for 10 years when installed as a complete wedi system.
CE
Certified & Tested
Every wedi product audited annually by an independent testing institute against international and national standards.
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Cut On Site
wedi Fundo trays and building boards can be cut to size on site without voiding the manufacturer's guarantee.
Warranty FAQs
The wedi 10-year warranty covers all products with a building sealing function — including building boards, Fundo shower trays, system adhesives and sealants — against failure of the waterproofing system when installed correctly as a complete wedi system.
No. wedi Fundo trays and building boards can be cut to size on site without voiding the warranty, provided wedi system adhesives and sealants are used to re-seal all cut edges.
Yes — to maintain the full 10-year wedi system warranty, all bonding, sealing and fixing should use wedi system accessories including wedi 320 tile adhesive, wedi 610 adhesive sealant and wedi sealing tape.
Yes. wedi products carry CE marking and are tested to relevant DIN and international standards. wedi Fundo trays meet Building Regulations Part M for accessible shower design.
Why Wetrooms Online
wedi Certified Experts
Why Buy wedi from
Wetrooms Online?
As wedi-certified specialists, Wetrooms Online offer more than competitive pricing. Our team has in-depth product knowledge across the entire wedi range — helping you specify the right system for every project, from a single bathroom to a large commercial programme.
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Certified wedi specialists — trained and accredited by wedi UK✓
Full range stocked — trays, boards, benches, surfaces and accessories✓
Trade Club pricing — competitive rates for contractors and installers✓
Technical specification support — correct system specification every time✓
Fast UK delivery — direct to site or your trade counter✓
10-year warranty support — full system compliance guidance✓
Project materials lists — take-off and quantity surveying on request✓
Aftercare & support — our team is available post-installation for adviceReady to Specify wedi for Your Next Project?
Talk to our certified wedi experts — we'll help you select the right system, produce a materials list, and ensure your installation is warranty compliant.