Gramm Barrier Systems Ltd. are the UK's leading, Link-Up Railway & Highways Agency Sector Scheme Approved, specialist contractors in the supply & erection of all types of Barriers including Noise, Wind, Flood & Vehicular Safety Barriers, & include Bridge Parapets, Pedestrian Guardrail, Security Fencing, incl. Steel palisade, Weldmesh, Chainlink fencing, General Fencing and Gates. We also carry out noise surveys, noise modelling, barrier designs including calculations & drawings. Gramm is a leading supplier & installer with over 25 years of experience in the design & installation of environmental acoustic barriers, security fencing, vehicle safety fencing, in fact any type of fencing you can think of!