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D400 manhole covers and gully grates

Our extensive D400 ranges of products are all suitable for Group 4 locations, and offer numerous unique features and benefits allowing the specifier to ensure they can offer the perfect solution for their application. Our most popular ranges of D400 products include Unite, Highway and TriStar.

Unite D400 Manhole Cover
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Whether you are looking for live project support, or are in the initial stages of specification, we are always on hand and happy to help.

Related case study

Junction 9 improvements for the M27

Wrekin secured the exciting opportunity to supply Unite manhole covers and ironwork installation systems to the county’s most significant infrastructure project in recent history. Hampshire County Council and Highways England have committed to funding a £23m infrastructure project, which will improve the M27 and benefit motorists for years to come.

MJ Church
MJ Church
Read the full Case Study
Related case study

Ensuring a smooth commute between Northern Ireland’s biggest cities

The Department for Infrastructure in Northern Ireland committed to funding a £185m ‘flagship’ infrastructure project to upgrade the A6, with the aim of reducing congestion and improving road safety. Richard Stewart, Regional Director ‑ UK North & Ireland at Wrekin Products, explains how a combination of excellent service and just in time deliveries secured an exciting opportunity to supply Highway® manhole covers and gully grates to such a significant project.

Department for Infrastructure Graham Construction Farrans
Department for Infrastructure Graham Construction Farrans
Read the full Case Study