A pack of 45mm screws to wood and 19mm bonded washers, designed for use with Cladco's best-selling box profile roofing sheets. Create a strong, secure installation with these durable extras. To our customers based in Scotland, please be advised that all Scottish deliveries for Cladco products will incur an additional delivery charge. For more information on delivery costs, please contact our team of Roofing experts on 01752 692760.