Surface Preparation: The surface to be waterproofed should be clean, dry, and free of any debris, sharp edges, or protrusions that could damage the membrane. Any cracks or voids in the surface should be filled with a suitable sealant. Structurally unsound and friable concrete must be removed and repaired with a suitable repair mortar.
Application of Primer: A primer may be necessary to improve adhesion between the surface and the APP waterproofing membrane. The primer

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