Lake View Terrace Room Additions with a dry, screened crawlspace
Lake View Terrace room additions keep the crawlspace dry and ember-safe with screened vents and vapor barriers, drawn for LADBS. Aspenwell Construction.
The crawlspace under a new room has to dry out on its own. In Lake View Terrace that means vents sized for airflow, soil covered with a vapor barrier, and fine metal mesh over every opening so embers cannot enter. Some of Lake View Terrace falls inside mapped fire hazard zones, which means a lot there could face ember-resistance rules.
Keeping the space under the floor dry
Moisture comes from the soil and from any roof water that reaches the foundation. A heavy plastic barrier over bare ground slows vapor. Vents on opposite walls move air through, and gutters carry roof water past the footing. If the lot slopes, the soil beside the foundation is shaped so water runs away from it. Wood framing stays clear of soil, and the sill is treated lumber on a gasket, bolted down to the footing. Access to the space is kept, so the area stays open for later checks.
Drawings for the city
Plans for a Lake View Terrace lot go through LADBS, the building department of the City of Los Angeles. The sheets show vent size and mesh listing, the barrier, the footing drains if needed and the structural tie to the old house. We submit the package, answer plan check and book inspections at the footing, the framing and the final. With the crawlspace details drawn, the reviewer has less to question. Details like these are drawn once, so the permit set and the field work agree.
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Room Additions in Lake View Terrace: questions
That is a question for the engineer, who measures footing width, braced wall length and soil, then calculates the added floor. If the old foundation proves too light, the plans call for broader footing strips, posts or extra braced walls under the upper floor. All of it gets built before the second story is framed.
Opening the old wall at the joint comes first, and the new frame is then bound to it by a continuous plate, straps and a header across the doorway. Roofing and wall flashing lap over the seam. Any vent openings in the new walls get ember-resistant mesh.
Often it is, as the crawlspace is exposed for the work. Foundation bolts, bracing for short walls and ember-resistant vents can share the permit. The owner can include or skip that work, and skipping it leaves the addition untouched.
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Describe the house and what it needs. We look at the structure first and send the quote in writing.