Stucco with freshly caulked window frame prevented liquid water penetration at window/wall interface, even with reverse shingle-lap.
330 mm) wide building paper at jambs, overlapped and cut to cover rough opening; caulk window flanges except sill; install window; apply loose insulation or foam sealant at interior reveals; install drip cap caulked on back sides; for housewrap, install WRB with head flashing flap and window opening cuts; install self-adhering jamb flashing; install self- adhering head flashing; for building paper; tape shingle-lapped double-layer building paper (under sill and jamb flashing, over head flashing); for housewrap, tape WRB flap shingle-lapped to head flashing.
It is important to properly prepare all surfaces that will be caulked
Even if a penetration was caulked
before fasteners were installed, caulk around components or fastener heads after installation for a secondary seal you can watch.
When I came back the next morning, none of the gaps looked like they'd been caulked
The easiest solution is to saw out the caulked
joint, removing about 1 in.
Inspect all caulked
joints, and clean out any caulk that has cracked or pulled loose (Photo 1).
butt joints eventually crack open, allowing water to seep in.
If the stops are caulked
in place, slice through the caulk with a utility knife.
7 THE HOURGLASS SHAPE is ideal for a caulked