concrete backer board waterproof
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Beipeng® XPS Waterproof Backing Panel
The Beipeng® waterproof backing panel is constructed with a core of Beipeng® extruded polystyrene board (XPS）, coated with alkali-resistant fiber mesh and a specially formulated polymer mortar. Its uniform closed-cell structure prevents water absorption and vapor transmission, while the mesh enhances structural strength and rigidity. The surface polymer waterproof mortar ensures full compatibility with modified polymer adhesives, tile sealants, and decorative coatings. This versatile solution is ideal for indoor applications requiring simultaneous waterproofing and tile installation on walls, floors, and countertops.
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