HDBBathrooms waterproofing, Tampines
Two bathrooms redone properly after the unit below started staining, with a flood test before a single tile went back.
- Floor area
- 110 sqft
- Location
- Tampines
- Completed
- 8 May 2026
A flat roof that held water after every storm, taken back to the slab and relaid so it drains.

Water was reaching the top-floor units after heavy rain, and the roof had been patched twice already. Patching is what you do when nobody has worked out where the water is sitting.
It was ponding. The falls ran towards the middle of the slab rather than towards the outlets, so every storm left standing water over the weakest part of the old membrane until it found a way through.
We stripped the old system, screeded the falls back towards the outlets, and laid a new membrane carried up the upstands and dressed into the drains rather than stopped short of them — which is where most roofs actually fail.
Flood tested for 24 hours before the finishes went back on.
HDBTwo bathrooms redone properly after the unit below started staining, with a flood test before a single tile went back.
Roof waterproofing completed for a landed house in Singapore, including jet-wash cleaning, one coat of Davco primer and two coats of Davco waterproofing.
HDBAn occupied flat repainted room by room, with the preparation that stops old repairs reappearing by the second year.