IMPORTANT REGULATION CHANGE: CD 534 has been updated to v0.1.0. It now specifies minimum frame weight and frame flange area requirements for D400 and E600 access covers. All Wrekin Highway and Unite products meet this requirement. Find out more. Technical Centre Frequently asked questions Ductile Iron FAQs Read our frequently asked questions about our ductile iron products Steel FAQs Read our frequently asked questions about our steel products Geogrid FAQs Read our frequently asked questions about our geogrid products Geotextile FAQs Read our frequently asked questions about our geotextile products UniPak FAQs Read our frequently asked questions about our Unipak product Standards and conformity BSI's standing within Europe UKAS has received confirmation from DG Environment within the European Commission regarding BSi's standing with Europe. National Highways CD 534 v0.1.0 Guidance on National Highways CD 534 following updates to V0.1.0 bringing improved requirements for access covers installed on the road network. New Highways England Skid Resistance Requirements Read our guidance on the new Highways England skid resistance requirements Understanding BS EN 124 Groups and Classes Access covers and gully grates divided into a number of classes by static test load Understanding CD 526 classifications Hydraulic capacity classifications are listed in Highways England DMRB document CD 526 and are calculated to indicate a gully grating’s hydraulic capacity (or effectiveness at evacuating water from a hard standing area. e.g. carriageway). Ventilation Conformity Notice Chamber Top assembly ventilation requirements vary according to the application. Therefore, it is unusual to always need the minimum ventilation requirements of BS EN 124 What is the BSI Kitemark? Find out what the BSI Kitemark is, why it matters, and what to look out for when ironwork has the BSI Kitemark. Installation guides Multiple recessed covers for blocks installation guide Read our installation guide for multiple recessed access covers being installed into block. Armadillo installation guides Read our installation guides for Armadillo manhole cover shell or Armadillo gully grate shells. Clicklift methods of installation Read how using ClickLift can save you time and money on installation GCL 5000 installation guide Read our installation guide for GCL 5000 Geogrid transportation, storage and installation guidelines Read our guide for transportation, storage and installation of E'GRID Gully Chute Connector & 500 x 350mm Gully Grating Assembly Read our installation guide for a Gully Chute Connector with a 500mm x 350mm Gully Grating Assembly H2Go Combined Kerb & Drainage and Gully Chute Connector Assembly Read our installation guide for H2Go Combines Kerb & Drainage and Gully Chute Connector Assembly How to reverse hinges on gully grates Watch our video on how to swap the hinge direction on our gully grates, allowing you to ensure they hinge in the correct direction for your installation. Manhole Cover Frame Installation Do’s and Don'ts Read our do's and don'ts for when installing a manhole cover frame Manhole cover installation guide A short guide on how to install or reinstate ironwork in a highway. Manhole cover with Clicklift Read our installation guide for manhole covers using Clicklift Multiple hinged covers Read our installation guide for multiple hinged covers. Multiple lift out covers Read our installation guide for multiple lift out covers. Multiple recessed covers for concrete installation guide Read our installation guide for multiple recessed access covers being installed into concrete. MultiTrack and FasTrack installation guidelines Read our installation guides for MultiTrack and FasTrack ProtectaWeb Slope Reinforcement Installation Procedure Read our installation guide for ProtectaWeb Slope Reinforcement ProtectaWeb Tree Root Protection Installation Procedure Read our installation guide for ProtectaWeb Tree Root Protection Recessed covers in paving installation guide Read our installation guide for recessed access covers being installed into paving. Product guidance Armadillo compatibility chart See which products the Armadillo Manhole cover protector and Gully Grate protector are compatible with. Bespoke Armadillo Armadillo protector shells can be made bespoke to your requirements, including unique colours, chequer patterns and your companies branding. Choosing the right steel cover Use our handy guide to helping you choose the right steel cover. ClickLift Do's and Don'ts Read our do's and don'ts for when installing ClickLift Comparing biaxial grids of different forms With many misconceptions in the market about the important of a geogrid shape, we funded an independent study to uncover whether shape does affect performance. Read the results. Hercules Cover Removal Guide Read our removal guide for Hercules manhole covers MultiTrack 1000 competitor comparison View our comparison table of MultiTrack 1000 and 3 of our leading competitor products. MultiTrack SNW17 competitor comparison View our comparison table of MultiTrack SNW17 and a leading competitor product. Reinstatement of geogrids If our Geogrids are damaged during the installation process or afterwards, damaged areas may be repaired by laying another roll of the same Geogrid over the damaged area Understanding key geogrid attributes A helpful beginners guides to understanding all the key geogrid characteristics, including tensile strength, aperture area, rib height, tensile load and more. UniPak preparation, mixing and application instructions Read our guide for how to prepare, mix and apply UniPak Where to use Geotextiles Read our guide for where to use Geotextiles Wrekin loading codes Loading code definitions used for our steel and aluminium access covers. General Are all D400 manhole covers appropriate for highway use? Manhole covers are safety critical, make sure you're using the correct covers Guidance on Steel Access Covers and Loadings Read our guide to load categorisations and the correct choice of product How manhole covers and gratings are measured Read our guide on how manhole covers and gratings are measured Maintenance of BS EN 124-2 Ironwork General maintenance advice for Wrekin BS EN 124-2 ironwork. Manhole cover range comparison chart Compare features, options and accessories available between our different manhole cover ranges. Surface Oxidation on Iron Castings Most access cover and grating products manufactured from grey or ductile cast irons are coated in paint (often bitumen based) prior to dispatch, in order to provide an aesthetic finish
