
Why d² GRP Outperforms Steel for Walkways and Access Structures in the Water Industry
This article explores why traditional steel is becoming less practical for water industry infrastructure due…
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Our Glass Reinforced Polymer (GRP) is perfectly suited to the water and wastewater sectors thanks to its excellent compressive and tensile strength, as well as its proven durability in even the harshest of environments. With our exclusive d² products, we’ve gone above and beyond standard industry testing to ensure that you can specify and install the lowest embodied carbon GRP walkways and structures in the world with complete confidence.
We’ve supplied GRP solutions to customers across the water industry, including sewerage, wastewater and water treatment works. Applications made from our d² range include access structures, ladders, trough covers and raised walkways—all engineered for long design life to ensure your assets remain future-fit, and facility operations stay efficient and economical.
We also provide GRP Chamber Covers and Fall Arrest Covers as a durable, lightweight alternative to traditional steel Technocovers. These offer easier handling during installation and maintenance, and unlike steel, they are corrosion resistant—even in aggressive environments. Where required, we can also supply products designed to resist exposure to hydrogen sulphide (H₂S), making them ideal for sewer and wastewater applications where this gas is commonly present.
In wastewater environments—where safety, hygiene and long-term durability are paramount—our team delivers robust GRP access solutions tailored for use in pumping stations, sedimentation tanks, clarifiers and screening facilities. Our non-metallic platforms and walkways help prevent corrosion, reduce maintenance demands and provide safe, slip-resistant access for operatives working in wet and potentially hazardous conditions.
The grating panels used on our walkways, catwalks and fabrications are our unique d² Dura Grating. Designed to reduce the risk of users slipping, tripping or falling, it retains over 95% of its slip resistance even after an astonishing 1.1 million footfalls—giving you long-lasting performance and peace of mind.
We also offer a range of other heavy-duty GRP flooring products, engineered to withstand vehicular and forklift traffic, as well as GRP key clamp handrailing, fencing and screening, and structural GRP stair treads with integrated risers to help prevent feet from catching between steps during use.
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