Deck Builders, Design and Installers base in Medway, serving the medway towns and surrounding areas. Free Quotations, and expert advice. Using the very best materials available, building child and family friendly structures in the garden. Railway sleeper flower beds, Trellising and Pergolas all attached to your timber decking. We use all treated timbers and profiled decking boards, no nails are used only screws so you can be sure that the frame is firm. ;