Windows & Doors for Granada Hills Homes
Windows and doors for older Granada Hills houses, flashed in layers so storm water runs out and down, with the original casing set back over them.
On an inland lot, a window's weak spots can stay hidden through dry months until a hard storm drives water past the sill. On an older Granada Hills house, the fix lies in the layers around the frame: a pan under the sill, flashing tape at the jambs and a drip cap at the head, each lapped so water runs out and down. The original trim goes back over them as it was.
Layers in the right order
Water follows gravity and gaps, so every layer around a window is installed shingle style. The sill pan goes down first, with its back edge turned up. Jamb flashing laps over the ends of the pan, and head flashing slides under the building paper above, so anything running down the wall is carried over the window. On stucco walls the weep screed along the bottom of the wall stays open, and on wood siding the head casing gets a metal cap that kicks water away from the joint.
Doors and thresholds
Exterior doors take water at the bottom, where a worn threshold lets rain blow under the slab. We set a new threshold on a sloped pan so it drains outward, add a door sweep that seals against it, and seal the jamb ends where splash rot begins. On a Granada Hills parcel shown on the fire hazard maps, ember-resistance rules can apply to a new exterior door too, which is why the slab and its glass are chosen with both in mind.
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An old window that has leaked at the sill may still be worth saving if the wood is firm. The sill can be repaired, the sash reglazed and the joint below rebuilt with flashing during the work. If water has rotted the framing underneath, that is fixed first, and the window above is judged on its own condition.
Each window is measured for sash proportions, frame width and the depth from casing to glass. If you have old photos of the house, we look at those too, then order units whose grilles and frames follow the original lines. Sound casing is removed with care and reinstalled over the new flashing.
Granada Hills is permitted by LADBS as part of the City of Los Angeles. If a new unit replaces the whole frame in a stucco wall, the inspector may ask to see the building paper and flashing around the new unit before the patch goes on, so we time that visit while the wall is still open. The energy label on each unit is checked at the end.
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