Drains & Flashings
Roof Drain and Flashing Investigation
On flat roofs, the water entry is usually a drain, a scupper or a flashing detail. Finding which one prevents both unnecessary membrane work and repeat damage.
Symptoms we're called for
- Ponding water and stains below the deck
- Overflow at scuppers during heavy rain
- Recurring leaks at parapets, curbs and penetrations
- Interior damage concentrated near drain lines
Property types
- Commercial and institutional roofs
- Strata flat roofs and decks
- Residential flat-roof sections
Methods used
- Drain flow testing and blockage checks
- Flood testing of suspect sections where suitable
- Moisture mapping around drains and flashings
- Thermal scanning to connect wet areas to details
Limitations, stated plainly
- We locate; drain and membrane repairs are roofing contractor work
- Some details require removal of coverings to confirm
What you receive
- The located failure: drain, scupper, flashing or membrane
- Test results and photographs
- A repair brief for the roofing contractor
Next steps
- Clear or repair the identified drain or detail
- Re-test flow and rain performance
- Add drains and flashings to maintenance checks
Related services
Call (604) 269-5325 or email [email protected]