DETAIL – waterproofing roof
Esquimalt – deck waterproofing & drainage
deck drain from outside
underside of deck/roof sheathing – note X-shaped shimming/blocking on top of the TJIs
in order to give the deck a slope towards the drain
underside of deck/roof sheathing – tapered sleepers visible
deck drain before SBS membrane application. Note how the drain flange is set into plywood sheathing so as to ensure a constant slope towards the drain once the SBS membrane is installed.
tapered sleepers over TJI beams
Cypress – roof waterproofing & drainage
framing around rood drainage
roof plywood sheathing before sbs membrane application. Note wood cant members ready for roof edge application
this photo shows how the slanted TJIs are hooked onto the top plate of a steel beam around the courtyard opening
courtyard opening
perimeter aluminum angle used to extend the flashing overhang
sbs membrane applied over the wood cant and aluminum angle. Granular layer applied at the back
note extra cant applied diagonally under the sbs membrane as a dam to redirect water away from the courtyard opening. The roof is sloping down, right to left