The double seal is a unique captive 'O' ring gasket in a lipped channel enhanced by the continuous surface of the cover at the corners. A second seal is an additional neoprene gasket vertically compressed. This double seal provides an enhanced level of resistance to gaseous and/or liquid ingress and/or egress under normal atmospheric pressure.
Simply the best D400 access cover range available in the market. Full of patented design features that combine together to give Unite the longest life and therefore lowest whole life cost of any D400 access cover.
To find out more about our range of Geosynthetic solutions for ground stabilisation, reinforcement, erosion control, drainage, environmental protection, grass protection and weed suppression click here
To access our three main product areas of Iron Manhole Covers, Steel Access Covers and Geosynthetics click on the buttons below.
New “How to choose” guide launched
Wrekin have produced a new guide to help specifiers and users of steel access covers and frames. It compares historical ratings with the up to date FACTA scale and gives guidance on choosing the right product for your application and loading.
Click here to download.
Wrekin have produced a new guide to help specifiers and users of manhole covers and gully grates. It explains the British Standard BS EN 124:1994 and gives guidance on choosing the right product as well as full details and benefits of the Wrekin range.
Click here to download/order.
Wrekin have produced a new brochure to help specifiers and users of geosynthetic materials. It gives guidance on choosing the right product for the right application as well as full details and benefits of the Wrekin range.
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