| 摘要 |
A method and composition for waterproofing a substrate herein is described which includes applying a coating composition to a surface of the structural unit. The coating composition includes a) an organic solvent, b) a hydrocarb on resin and c) a styrene polymer, having a styrene content of about 60 wt.% or greater, selected from the group consisting of a copolymer having styrene an d diene monomer units, a copolymer having styrene and olefin monomer units, a polymer having styrene monomer units and mixtures thereof.
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