Tileable shower tray with square grate and pre-mounted waterproofing membrane
Tileable shower tray with square grate and pre-mounted waterproofing membrane
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Extra-flat tileable shower tray – Integrated waterproofing membrane
The FLAT BOARD tileable shower tray is a professional, reliable, and high-performance solution for creating modern walk-in showers. Designed to meet the requirements of both renovation and new build projects, it combines an extra-flat structure, integrated waterproofing, and high mechanical resistance, while remaining compatible with all types of tiles.
Thanks to its high-density extruded polystyrene construction reinforced with fiberglass and waterproof polymerized mortar, the FLAT BOARD tray guarantees excellent durability and maximum safety in use. Its pre-mounted waterproofing membrane, extending 10 cm around the perimeter, ensures perfect continuity of waterproofing with the walls, significantly reducing the risk of infiltration.
Main Features
- Product Type: Tileable shower tray for walk-in showers
- Structure: Extruded polystyrene reinforced with fiberglass and waterproof mortar
- Thickness: Extra-flat – 40 mm (special for renovation)
- Slopes: Four-slope model for optimal drainage
- Waterproofing: Pre-mounted waterproofing membrane with perimeter upstand
- Cuttable: Yes
- Compatibility: All types of tiles
- Accessibility: PMR compatible (Persons with Reduced Mobility)
Advantages
- Integrated waterproofing for secure installation
- Ideal solution for walk-in showers in renovation projects
- Lightweight and easy-to-handle structure
- High mechanical resistance (up to 3 tons/m²)
- Stainless steel grate adjustable to tile height
- Efficient drainage of infiltrated water
- Quick and professional installation
- 10-year manufacturer's warranty
Drain and Grate
- Siphon outlet: Ø 40 mm
- Flow rate: 34 liters/minute
- Grate: Stainless steel, 2 mm thick
- Grate size: 11.5x11.5 cm
Package Contents
- FLAT BOARD tileable shower tray
- Pre-mounted waterproofing membrane with perimeter upstand
- 360° outlet siphon
- Square stainless steel grate
- Installation manual
- Professional reinforced packaging
Reliable, robust, and perfectly adapted to the constraints of modern construction sites, the FLAT BOARD tileable shower tray is the ideal solution for designing durable, aesthetic walk-in showers that comply with the highest technical requirements.
Delivery methods
Delivery methods
We deliver within the European Union via two methods:
- Standard: 6 to 9 business days
- Express: 2 to 4 business days
To ensure safe delivery, please provide us with a reachable mobile phone number . Upon receipt, please check the condition of the package (exterior and interior) and note any specific issues on the carrier's delivery slip.
Please review our terms and conditions of sale.
See our delivery policy
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Interview
Guarantee
Guarantee
All our products come with a manufacturer's warranty covering defects in conformity and workmanship.
See the details of our warranty and after-sales service conditions on the following page:
See our Warranty Conditions
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Product details
| SKU | RC80FLAT-OB |
|---|---|
| Materials | Waterproof mortarFiberglassPolystyrene |
| installation mode | To be tiled |
| Height (cm) | 4.0 |
| Width (cm) | 80.0 |
| Length | 80.0 |
| Evacuation location | Centered |
| Evacuation type | Square grid |

WHY CHOOSE ONBATH’S
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+33 1 89 31 73 17
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