Westwood Liquid Technologies Wethan PU Roof Waterproofing System was successfully installed to over 2200m2 of failed PVC Single-Ply at Dikes & Sons Supermarket - Stalbridge. Westwood Approved Contractor Protec Roofing cleaned and prepared the existing PVC Substrate, then directly applied Wethan 275 on a wet on wet application embedding Westwoods 225g per m2 chopped strand glass fibre reinforcement. A further sealer coat was then applied to complete the project.