The Ontario Building Code | Drips Beneath Window Sills Drips Beneath window Sills

(1) Except for wall openings="" title ="Window installer in Toronto">openings located less than 150 mm above ground level, where a concealed flashing is not installed beneath window and door sills, such sills shall be provided with an outward slope and a drip located not less than 25 mm from the wall surface.

9.20.14. Protection During Work