DoubleJack Construction (Pty) Ltd are approved Contractors for a range of steel Roofing and Cladding Profiles, providing the customers with a variety of options from Galv to Coated steel sheeting in a selection of gauges as well as Polycarbonate options. The services include the supply and erection of roofing accessories such as Louvres, Ventilators, Flashings as well as rainwater Goods to suit the building profile and specification.