The Polylok 500mm (20in) Grate is a premium access component designed for use with risers, distribution boxes, catch basins and drainage chambers in Europe and the UK. Crafted to deliver high performance in demanding environments, this grate ensures safe pedestrian access and robust functionality for underground drainage and utility systems.
Manufactured from HDPE (high-density polyethylene) with one of the highest UV protection ratings on the market, the 20″ grate offers excellent resistance to sun-exposure, weathering and long-term degradation. Polylok+1 Its durable construction makes it ideal for pedestrian traffic in landscaped areas, residential utilities, and commercial access zones.
The Polylok 500mm (20in) Grate is specifically suited for use with Polylok risers and distribution boxes, enabling smooth system access and serviceability. Polylok Its green finish allows it to blend into grassed or planted environments while providing a secure, skid-resistant surface for site safety.
Ideal for installation across the UK and Europe, this grate supports infrastructure such as stormwater management systems, inspection chambers, drainage networks, and utility access points. With its strong construction and weather-resistant material, it offers long-term durability in climates with heavy rainfall, freeze/thaw cycles and coastal exposure.
Choose the Polylok 500mm (20in) Grate for a reliable, high-visibility, heavy-duty access cover solution that enhances safety, durability and ease of access in European and UK drainage and infrastructure installations.
Click here to see 20″ Distribution Box/Inspection Chamber which comes with 7 x seals as standard
or click here to view the Polylok 24″ Drainage box with 10 seals included
For information on pricing and availability please call +353 5986 31524 or email [email protected] today!

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