Panorama City Windows & Doors That Shed Water
Head flashing, sealant joints with backer rod and pitched sills keep rain on the outside face of window and door openings in older Panorama City houses.
Rain striking a window on an older Panorama City house can run down the face of the wall or travel inward along the joint where frame meets stucco. On an inland wall our job is to keep it on the face. That takes a head flashing that kicks water past the trim, a sealant joint with room to move, and a sill that pitches outward, so even a hard storm leaves the opening dry.
A joint that can move
The gap between a window frame and old stucco opens and closes as the wall warms and cools, and a thin smear of caulk across it soon cracks. A lasting joint has depth. Foam backer rod is pressed into the gap first, so the sealant grips the frame and the stucco on its two sides and stays free at the back, which lets it stretch without tearing. Up at the head, the lower edge of the metal flashing is left unsealed to the frame beneath it, because that small gap is the exit for any water that gets behind the stucco.
Sills on wood windows that stay
An original wood sill sheds water only while its top surface still pitches away from the sash. Coats of paint can fill that slope, and a sill that has cupped will hold a puddle against the bottom rail. A small level shows which sills have lost their fall. After a lead test, loose paint comes off by lead-safe methods, soft fiber is hardened with a wood consolidant, and the slope is rebuilt with epoxy filler or a glued-in wood patch. End grain at the casing joint is primed, and a drip kerf is cut under the sill nose if it never had one.
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Look at the wall below the window, inside and out. Clean plaster and a sill that resists a screwdriver point mean the sash can be repaired and its glass kept. Bubbled paint under the stool, or a sill soft through its thickness, shows water has been getting past the frame, and a new unit set over a fresh pan is the lasting fix.
From the sidewalk, what reads is how broad each frame looks and where its bars fall. We record both from the originals, pick a narrow profile that comes close to them, and put the sound exterior trim back around every new unit, so the house keeps the outline it was built with.
LADBS handles permits for Panorama City, a community inside the City of Los Angeles. A replacement window generally needs one, and each new unit carries an energy label that meets state rules. If an opening is widened, the new header appears on the filing, and the framing stays exposed until the inspector has seen it.
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