To explain the classification of the waterproof casing and using range.
Rigid and flexible waterproof casing is divided into two kinds of commonly used.Selection should be paid attention to: waterproof casing is according to the research and design institute of building science S312, 02 s404 standard atlas.Rigid waterproofing casing is suitable for potable water tank installation of waterproof casing, in asbestos cement filling is completed, filling embedded sealant, should guarantee each interface in the seam no rust, paint, dirt, and clean and dry.Flexible waterproof casing generally applicable for pipe through the wall of the vibration or tight waterproof requirement of structures;Wall in the wall, in case of the concrete should be switched to the concrete wall, and the casing must be a solidified within the wall;Waterproof casing used in construction, chemical, steel, water, sewage treatment etc.