西卡防漏膜 is designed to stop water leaks and strengthen surfaces against moisture damage. This waterproof membrane creates a strong protective barrier for roofs, walls, and foundations. 西卡防漏膜 is flexible, durable, and resistant to harsh environmental conditions. Builders use it for long-term protection and to increase structural safety in areas exposed to heavy rainfall or humi... https://www.stb-materials.com/categories/sika