Waterproofing & Leakage
Parapet wall leakage repair at the roof-to-wall junction
Coping repair, crack sealing and a proper fillet at the parapet base to stop the most common terrace leak in Indian homes.
If water shows up at the top of your walls where they meet the ceiling, the parapet is a prime suspect. Rain soaks into the parapet top, runs down inside the wall, and enters at the roof junction.
RennovEN repairs the coping on top, seals cracks and builds a waterproof fillet where parapet meets roof, so water is shed outward instead of travelling inside.
Signs you need this
- Damp at the top of walls along the ceiling edge
- Cracks along the base of the parapet
- Plaster peeling on the parapet top
- Leaks along the full perimeter of the top floor
The RennovEN promise
- 10-year warranty on all works
- Itemised pricing, approved before work begins
- One accountable team across every trade
- Residential specialists — homes only
Diagnosis
Why it happens
Flat or cracked coping
A flat parapet top holds water; cracks let it into the wall core.
Junction movement
The roof slab and parapet move differently with heat, opening a crack where they meet.
Waterproofing stops short
Roof waterproofing that isn’t turned up the parapet leaves the junction exposed.
Our method
How RennovEN does it
- 1
Inspect
Check coping, parapet face and roof junction all around.
- 2
Repair coping
Slope and seal the parapet top.
- 3
Junction fillet
Build a waterproof fillet at the base.
- 4
Coat
Waterproof the parapet inner face and turn-up.
What’s included
- Coping repair with slope and drip
- Crack sealing on parapet faces
- Waterproof fillet at roof junction
- Upturn of roof waterproofing
- Interior wall repair below
What affects the cost
- Parapet running length and height
- Coping condition
- Roof waterproofing condition
- Interior repairs required
Every home is different, so we don’t publish rate cards. After a free inspection you get an itemised estimate, and you approve every line before work begins.
Get my itemised estimate10-year warranty
Parapet and junction areas we treat are covered for 10 years against leakage due to our workmanship.
How our warranty worksFAQ
Parapet Wall Leakage Repair: your questions
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