RT Chemlink M-1 Structural Adhesive (4Pack W/color Options); Roofing Adhesive for Commercial Roofing and Residential Roofing; Sealing Adhesive for Emergency Roof Repair and Penetrations: Sealing Pipe, Cable and Penetrations of Roofing Screws on Metal Commercial Roofing Residential Roofing Lightning Protection Masonry and Concrete Mechanical