Different from ordinary wall backer boards, this Theo waterproof backer board adopts closed-cell XPS core material with zero water absorption rate, which can stay intact after long-term immersion in pool water without swelling, deformation or mildew. The double-sided alkali-resistant glass fiber mesh and special polymer mortar greatly enhance anti-corrosion performance, resisting chlorine water and humid steam erosion. It can be used as tile base layer for swimming pool walls, pool bottom, steam bath walls and hot spring areas. The board is easy to cut and splice; matched waterproof joint tape completely seals gaps to eliminate hidden water seepage risks. Available in multiple thickness options, it meets the high waterproof standards of large water entertainment projects and public bathing venues worldwide.
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