Application Technical Standard for SJ Transpiration-Resistant Polymer Cement Waterproofing Materials (with Appendix: Building Structure of SJ Transpiration-Resistant Polymer Cement Waterproofing Materials) T/HBJS JN105-2025

Scope

S) Transpirable cement waterproofing materials include S) transpirable polymer cement waterproofing mortar and S) transpirable polymer cement waterproofing coatings. S) transpirable polymer cement waterproofing mortar is made of cement and fine aggregates as the main components, with polymer emulsion or redispersible latex powder as the modifier, and adding a proper amount of additives to mix. S) transpirable polymer cement waterproofing coatings are a two-component waterproofing coating made of polymer emulsion and cement as the main components, with fillers and additives added. After the water evaporates and the cement hydrates to form a film, it has the functions of transpiration and waterproofing. It has good mechanical properties, aging resistance, and water vapor permeability, and can be used in cast-in-place concrete built-in insulation systems, spray-applied mortar external wall insulation systems of steel wire mesh frame (sheet) composite boards, large-form built-in cast-in-place concrete composite insulation board systems, large-form built-in cast-in-place concrete insulation board systems, frame-filled external walls, masonry structure external walls, and other external wall insulation systems.

Development Information

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