How is canopy slab waterproofed?

I don't understand your question, why specifically canopy slab, but will try to answer. Provide a Sloping top surface. (Difficult, constructibility wise); Water proofing compounds mixed in concrete. Water proof treatment of already built slab by laying a layer of screed concrete with water proofing chemicals. read more

I don’t understand your question, why specifically canopy slab, but will try to answer. Provide a Sloping top surface. (Difficult, constructibility wise) Water proofing compounds mixed in concrete. Water proof treatment of already built slab by laying a layer of screed concrete with water proofing chemicals. read more

This will be exposed to tropical rain, as will a overhanging canopy. It will also have foot traffic, leaves, detritus, etc. I understand that it is important that the roof not leak, in order to avoid water entering into the building, and the canopy also not leak, in order to prevent the rebar rusting and failing over time. read more