GRP Deck500 Interlocking Flooring System
Deck500 is a pultruded GRP interlocking flooring panel, 500mm over width, with a tongue-and-groove joint running along the length of each plank. The joint creates a firm, sealable connection between lengths, producing a continuous solid surface that prevents water penetration and seals odour-producing areas in water and wastewater treatment facilities.
Deck500 is designed to span 1.5m at a load of 5 kN/m2 with a deflection limit of L/200. It complies with BS 4592-4, BS 4592-5, BS EN ISO 14122-2, EN 13706 Grade E23, and is manufactured under ISO 9001:2015. Available from UK stock, it is widely used on pedestrian bridges, cooling tower decks, odour control covers, wastewater treatment unit covers, and rail and utility maintenance platforms.
GRP DECK500
Pultruded GRP Interlocking Flooring for Walkways, Bridges, and Water Treatment
Deck500 combines the corrosion resistance, electrical non-conductivity, and lightweight handling of GRP with the structural performance of a specifically engineered flooring profile. Each plank is manufactured to a consistent 500mm width, allowing wide walkways and platform surfaces to be built by laying planks side by side with interlocking tongue-and-groove joints. The result is a solid, anti-slip surface that can be installed and removed without specialist tools.
In water treatment applications, the sealed joint prevents odour escape from tanks and sumps while providing safe maintenance access. In bridge and public access applications, the gritted surface delivers R13 wet slip resistance without painting or surface treatments. Load data is independently verified per EN 13706 Annex D.
GRP Deck500 - Technical Overview
| Property | UDL 750mm span | UDL 1000mm | UDL 1250mm | UDL 1500mm | UDL 1750mm |
|---|---|---|---|---|---|
| Load kN/m2 | 42.73 | 18.03 | 9.23 | 5.34 | 3.36 |
| Deflection L/200 | 3.75mm | 5.00mm | 6.25mm | 7.50mm | 8.25mm |
| Heavy Duty Grade | 38x38mm or 50x50mm | To order | 50mm, 65mm | Quartz gritted anti-slip | FR grade available |
Centre point loading at 1500mm span: 2.50 kN/m2. Panel width: 500mm over. Joint: tongue-and-groove, firm and sealable. Surface: gritted anti-slip. Standard: EN 13706 Grade E23. Fire: ASTM E84 Class 2.
Key Performance Features
- Designed to span 1.5m at 5 kN/m2 with deflection limit L/200
- Tongue-and-groove joint creates a firm, sealable connection between planks
- Gritted anti-slip surface as standard across all panels
- Complies with BS 4592-4, BS 4592-5, BS EN ISO 14122-2, and EN 13706 Grade E23
- ASTM E84 Class 2 fire rating
- ISO 9001:2015 certified manufacture
- Immune to water, chemicals, and biological environments
- Lightweight and removable: no heavy lifting equipment required for installation or maintenance access
Sealable Odour and Water Control
The tongue-and-groove joint creates a sealed surface ideal for covering water and wastewater treatment tanks, cooling tower decks, and any area requiring containment of odour or water penetration.
Proven Structural Performance
Deck500 load data is calculated from full section modulus measurements per EN 13706 Annex D. At 1.5m span and 5 kN/m2 loading, it meets the requirements of BS 4592-4 Industrial type flooring.
Fast Installation, No Maintenance
Lightweight panels can be installed without heavy equipment and removed for maintenance access as required. No painting, sealing, or corrosion maintenance is ever required.
Deck500 GRP Flooring for Water Treatment, Pedestrian Bridges, and Maintenance Platforms
Water Treatment
Deck500 is used for odour control covers, tank top access, and potable water system covers where water penetration prevention and chemical resistance are both required.
Pedestrian Bridges and Public Access
The gritted surface and independently verified load performance make Deck500 suitable for pedestrian bridge decks, footbridges, and public walkways with heavy foot traffic.
Rail and Utility Maintenance Platforms
Lightweight and non-conductive, Deck500 suits maintenance access structures on rail and utility sites. RISQS accredited supply available.
Cooling Towers and Process Environments
Deck500 withstands the warm, humid, and chemically active conditions found in cooling tower basins and process facility walkways without corrosion or biological degradation.
Need Help Specifying Deck500 for Your Project? Talk to Our Experts.
Poole’s Wharf Pedestrian and Cycle Bridge is a vital crossing point for pedestrians and cyclists in the busy harbour side of Bristol. The bridge was in need of refurbishment due to wear and tear, and Engineered Composites was chosen to provide the necessary GRP materials for the project.
Supply of GRP Materials
Engineered Composites supplied Deck 500, Non Slip flat sheet, and Non Slip Decking Strips for the refurbishment of the bridge. These GRP materials are highly durable and have excellent anti-slip properties, making them perfect for high-traffic areas like bridges. The materials were custom-made to fit the specific dimensions of the bridge, ensuring a perfect fit and easy installation.
The Deck 500, Non Slip flat sheet, and Non Slip Decking Strips provided by Engineered Composites offer numerous benefits for the Poole’s Wharf Bridge refurbishment:
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