Bel Air Windows & Doors That Shed Rain
Bel Air glass doors that keep rain out: a sloped sill pan, lapped flashing tied into the wall, a drained track, ember-ready glass on mapped lots, LADBS.
Every new door opening in a Bel Air wall needs a plan for the water that will someday get behind the trim. The answer is layering. A sloped pan sits under the unit with its back edge turned up, tape seals the sides over the pan, and a head flashing tucks under the paper above. Any drip that slips in runs down and out, away from the framing.
Tying new flashing into an old wall
If the house wears stucco, we cut it back in a neat band around the opening so new building paper can lap under the old. On a sided wall, a few boards come off. The pan goes in first and drains to the face of the wall. Jamb tape laps over its folded ends, the unit is set in a bead of sealant, and the head flashing slides behind the upper paper. Outside, a weep gap is left above the head, and a track with drainage slots lets water out of the door itself.
Ember rules and the LADBS review
Some lots in Bel Air fall within mapped fire hazard zones, which can bring ember-resistance rules to new glazing and to any vent near the opening. Glass for those lots comes as dual panes with a tempered layer. Permits for Bel Air go through LADBS, the City of Los Angeles department, where a plan checker reads the engineer's beam sheet and the energy form, then an inspector checks the open framing and can look at the paper and flashing before the wall is finished. Brentwood and Pacific Palisades share that department.
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The beam an engineer sizes for the load overhead decides it. A wider door means a longer pan and head flashing, which we draw on the plans so nothing is improvised on site. The clear width is fixed in writing before the wall is opened.
Each handles rain its own way. A slider weeps water out through slots in the track. A folding set depends on gaskets at every panel joint and a drained sill. A pocket door hides its panels in a cavity that needs its own flashing. Ember-ready glass comes with any of them.
Temporary supports take the ceiling while the old studs are cut away, and new posts receive the engineered beam. Once the inspector approves the frame, the pan, jamb tape and head flashing are lapped into the paper, and only then are the door and new wall finish installed.
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