Waterproofing Big Bay deals with roofs, damp, balconies and roof drainage. Quotes come back from contractors covering the area.
Systems, methods and the full service list sit under Waterproofing Cape Town.
A few photos and the area in square metres will get you comparable quotes.
Request a Big Bay QuoteWhat Gets Quoted in Big Bay
- Direct wind and salt. Full onshore exposure, driving rain and salt into every detail on the seaward side.
- Flat concrete roofs. Parapets, concealed outlets and terminations doing the work rather than pitch.
- Large balconies. Trafficked decks over living space, with thresholds at door level.
- Modern glazed elevations. Extensive sealant runs around frames, working hard in this exposure.
- Estate guidelines. Approval for visible changes on most of the newer developments.
Roofs and Buildings in the Area
Contemporary coastal housing and apartment developments, with flat concrete roofs, large balconies and extensive glazing facing directly into the prevailing wind.
On a contemporary flat-roofed house, the parapet coping is worth checking as carefully as the roof. Water entering the top of a parapet runs down inside the wall and bypasses the roof membrane completely.
Services Covered
| Service | What it covers |
|---|---|
| Metal roof waterproofing | Sheeting, fasteners and laps. See metal roof waterproofing. |
| Roof waterproofing | Leaking and ageing roofs. See roof waterproofing. |
| Balcony waterproofing | Under-tile membranes. See balcony waterproofing. |
| Wall waterproofing | Driven rain and porous walls. See wall waterproofing. |
| Roof painting | Protection once sound. See roof painting. |
| Roof leak repairs | Traced to the entry point. See roof leak repairs. |
Waterproofing Big Bay Prices
| Job | Indicative range | What moves it |
|---|---|---|
| Torch-on membrane, single layer | R300 – R400 per m² | Flat and low-slope roofs. |
| Balcony waterproofing | R450 – R900 per m² | Excluding tiling and screed. |
| Exterior wall coating | R90 – R220 per m² | Prepared and coated. |
| Gutter repairs | R450 – R1,200 per joint | Access and joint condition. |
| Basement or lower-level tanking | R400 – R1,500 per m² | Negative-side systems. |
| Roof painting | R80 – R180 per m² | Prepared, primed and coated. |
| Roof waterproofing, general range | R150 – R350 per m² | System and preparation dependent. |
| Sheet roof coating system | R120 – R280 per m² | Including fastener replacement. |
| Roof fastener replacement | R25 – R60 each | Type and access. |
| Commercial project | From R25,000 | Scoped on area and access. |
These are indicative ranges rather than a quote. They come from published South African pricing for waterproofing and roofing work, and no company on this platform is bound to them.
What separates two quotes is usually preparation and detailing, not the rate per square metre.
Autumn is the practical window. The roof is dry and you are ahead of the winter queue.
Request a Big Bay QuoteSurrounding Coverage
Also covering Bloubergstrand, West Beach, Sunningdale and Melkbosstrand.
Related Services
Frequently Asked Questions
Why does a flat roof leak when the membrane looks fine?
Frequently because water is entering somewhere the membrane does not cover, most often the top of a parapet or a wall junction above the upstand.
How high should a membrane run up a parapet?
High enough to stay above standing water and driven rain, and it must be mechanically terminated at the top rather than simply stopped with adhesive.
Can waterproofing be applied over the existing coating?
Only where the existing layer is sound, dry and compatible. Coating over a blistered or delaminating membrane traps moisture underneath and the new work fails early. That is the most common reason a roof gets paid for twice.
Do I need to find the leak before waterproofing?
If there is an active leak, yes. Water enters at one point and appears at another, so coating the stained area often misses the entry point entirely. The inspection comes first, then the system is specified for what was found.
Is waterproofing covered by household insurance?
Insurers generally cover sudden damage rather than gradual failure. A membrane at the end of its life is normally treated as wear and tear. Storm damage is a separate question and your policy wording decides it.
What is the difference between waterproofing and damp proofing?
Waterproofing keeps water off and out of a surface, usually from above or outside. Damp proofing deals with moisture already moving through the structure. The diagnosis differs and so does the fix.
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