12 Construction Materials, Such as Sealing and Caulking Compounds, Crack Fillers, Patching Compounds, and Waterproof Coatings for Marine Use; Crack Fillers and Sealers for Cement, Asphalt and Mortar, Caulking Compounds and Sealants for Roofs, [ Butters ]Gutters, Curtain Panels, and Other Architectural Uses