Pro Torch Roofing replaced the flat roof on a home on Bowen Island with a 2-ply SBS torch-on membrane and new custom metal flashings. Completed in 2020, the project was planned around ferry schedules and island logistics so the roof was never left open, and the owners got a mainland-quality roof without the island premium. Expected service life: 25–30 years.
The challenge
Bowen Island is twenty minutes from Horseshoe Bay and a world away in logistics. There is no running back to the supplier for one more roll of cap sheet. Materials have to be counted twice, loaded on the right sailing and staged on a tight island lot. Weather windows matter more, because a missed day is a missed ferry, and the roof cannot sit open while the crew waits on the mainland.
What we did
Ferry logistics
We did a drone and on-foot measure first, then ordered every material for the whole job with a margin and shipped it on one early sailing with the crew. Tear-off debris was binned on site and returned on the last run. The crew stayed on-island until each roof section was fully closed.
2-ply SBS torch-on
Torch-applied SBS base sheet and granulated cap sheet, laps torched and probed, with reinforced flashings up walls and around skylights. Island homes are often surrounded by trees, so we paid particular attention to drain strainers and gutter details that will handle needles and leaves.
Custom metal
Cap and counter-flashings were pre-bent in our Burnaby shop from the site measurements and brought over with the membrane, which is the only way to avoid a second ferry trip for a single missing piece.
The result
A roof finished on schedule, no surprise island surcharges, and a written warranty the owners can rely on even though we are a ferry ride away.
Slide through the job. Tap any photo to enlarge.
Questions about roofing on Bowen Island
Do you work on Bowen Island and the Gulf Islands?
Yes. We regularly serve Bowen Island from Horseshoe Bay and will quote other ferry-access locations around Howe Sound.
Is there an island surcharge?
Ferry fares and the extra planning are itemized honestly in the estimate. Because we ship everything in one sailing and stay until the roof is closed, the premium is much smaller than people expect.
How much does a torch-on roof cost?
Pro Torch Roofing installs 2-ply SBS torch-on at $10–$20 per square foot, plus any island travel costs shown as a separate line.
What about warranty service on the island?
Our written warranty applies exactly as it does on the mainland. We come back across on the ferry if we need to.
Island property with a flat roof?
Free drone inspection and written estimate. We call back within two business hours.
