CAD Shelters design, build and sell Smoking Shelters, Walkways and Linkways, Cycle Shelters, Cycle Compounds, Entrance and Forecourt Canopies, and Much more. They offer a full in-house service so please visit their site for a Free no obligation quote. CAD Shelters cater for schools, offices and government buildings all over the country and all our smoking shelters, walkways, linkways and canopies comply with government legislation. There is a range of coatings including ultra durable galvanised and powder coated steel.