Roofing, scaffolding, building. Westlake Roofing, scaffolding, building, based in South West, Tiverton, DevonWestlake Roofing, scaffolding, building, South West, Tiverton, Devon. Westlake Roofing is located in the Tiverton area of Devon. There are at least 2 other listings in the EX16 postcode area. Scaffoldings in Devon EX16