Specification Sales Manager Waterproofing & Roofing Systems Job Title: Specification Sales Manager Waterproofing & Roofing Systems Industry Sector: Flat Roofing, Single Ply Roofing, Liquid Applied Waterproofing, Waterproofing, Waterproofing Membranes, Roof Coatings, Green Roofs, Roofing, Insulation,...