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Also need painting after damp repairs? See our Bellville painting quotes page.
Bellville has a relatively high water table in some areas, and many of its residential properties date back to the 1960s and 1970s. Older homes were often built without effective damp proof courses, and decades of Cape Town winters have taken their toll. The result is rising damp creeping up from the foundations, penetrating damp coming through cracked or porous exterior walls, and condensation damp building up in poorly ventilated spaces like bathrooms and en-suite bedrooms.
Damp is not just an aesthetic problem. Untreated damp leads to mould growth, structural deterioration of plaster and brickwork, damaged flooring and serious health risks for occupants. The key rule is simple: fix the source of the damp before you repaint. For painting after damp repairs are complete, our Bellville painting quotes page connects you with the right painters.
Rising damp injection (per m)
R300 to R650
Damp proof membrane installation
R4,000 to R15,000
Tanking a wet room or cellar (per m²)
R350 to R800
Plaster hack off and re-plaster (per m²)
R180 to R380
Penetrating damp treatment
R2,500 to R8,000
Full damp diagnosis inspection
R500 to R1,500
Damp proofing costs depend on the type of damp, the extent of the affected area and whether replastering is required. A proper diagnosis is essential before any quote can be accurate.
Rising damp
Water from the ground travels up through walls by capillary action. Signs include a tide mark on lower walls (usually below 1 metre), salting (white crystalline deposits) on plaster and a musty smell at floor level. Common in older Bellville homes built without a damp proof course.
Penetrating damp
Water enters horizontally through cracks in exterior walls, failed mortar joints, defective window or door frames, or deteriorated render. The damp patch typically corresponds to a specific external feature. More common after heavy rain.
Condensation damp
Warm moist air meets a cold surface and condenses. Most common in bathrooms, kitchens and bedrooms with poor ventilation. Signs include black mould on walls and ceilings, particularly in corners and near windows. The solution is improved ventilation, not just surface treatment.
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