#101 All Weather Plastic Cement is a multi-purpose professional grade asphaltic-based plastic cement that adheres and spreads easily to all prepared surfaces including seams, patching splits and cracks in roof surfaces such as smooth surface asphalt roofs, mineral surfaced cap sheet, composition shingle, metal roofs and spudded gravel. It can also be used for repairing areas around chimneys, vent pipes, skylights, gravel guards, splits in concrete, down spouts, and expansion joints on roofs. Tropical Roofing Products #101 is a carefully mixed homogeneous blend of high-grade fibers, select asphalt, plasticizers, minerals and aromatic hydrocarbons. This product will not sag, slip or mud crack and remains highly resilient and durable throughout all seasons.