Specification Sales Manager Roofing and Waterproofing Job Title: Area Technical Sales Manager Roofing and Waterproofing Industry Sector: New Build, Roofing Waterproofing, Single Ply, Waterproof Membranes, Bitumen Membranes, Structural Waterproofing, Cold Liquid Applied Systems, Green Roofs, Concrete Repairs, Damp Roofing Repairs, Local Authorities, Housing Associations, Building Surveyors, Buildin...