Welcome to GRD Engineering Ltd. We are proud stockists of Swepco - the world’s best Roofing, Flooring and Wall coatings. With a large range of products which are guaranteed to perform. Swepco products have a solution to suit all your requirements.

Since 1933, Southwestern Petroleum Corporation has offered a wide range of products under the SWEPCO brand for the maintenance and protection of industrial, commercial and institutional property. These products have stood the test of time in some of the harshest climates and environments on the planet.