home building in Vancouver

inside window frame junction. Note the 1/2″ offset to account for a 1/2″ reveal between the window frame and drywall yet to come.

the same window condition seen from the outside. The sill flashing could have been somewhat less generous

anodized aluminum breakshape between window frame and soffit. the breakshape is folded over pressure treated plywood

window sill flashing over concrete wall. The concrete wall is stepped in to allow for  a flush condition between flashing, concrete and window frame. Top of concrete wall is tied to plywood wall sheathing with blue skin. Tyvek overlaps blue skin, and the two are taped for an air-tight assembly.

this shows clearances between rough wall opening and a curtain wall window frame. Note the leg of the aluminum angle used to attached the window frame to the wall framing

window frame extension at the back. This allows to increase the overall window frame depth from 6″ to 8″ so as to end up with flush conditions on both the inside and outside of the house

fragment of the extension cap

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