Many units solve the old construction leakage means are use patching materials and so on asphalt felt, SBS modifying asphalt flexible linoleum, neoprene to infiltrate the leak to carry on patching.

• 不少单位解决老建筑渗漏的办法是应用沥青油毡、SBS改性沥青柔性油毡、氯丁胶等修补材料在渗漏处进行修补。