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In Cape Town, waterproofing usually lands between R180 and R450 per m² depending on the system: liquid membranes at the lower end, torch-on at the higher end. A minimum charge applies to small jobs, and stripping or screed repairs are itemised. A written guarantee of five to ten years is normal for a full system.

Cape Town's rain comes in winter with north-westerly wind, so water is driven sideways into parapets, flashings and window heads that stay dry the rest of the year. Getting waterproofing done in the dry summer months, before the first front arrives, is the smartest timing.

Pitched tiled roofs shed water by design, so they rarely need a full membrane, but flashings, valleys and ridge joints often do need sealing. Flat concrete roofs, balconies and parapets are where proper waterproofing systems matter most. A specialist will tell you which parts are the actual risk.

A typical house roof of 50 to 100 m² takes two to four days, including cleaning, repairs, priming and the membrane itself. Liquid systems need drying time between coats, and rain stops work entirely. Ask for a schedule that keeps the roof covered if weather turns.