Valley Glen Room Additions and Exterior Trim
Valley Glen room additions trimmed in cellular PVC that resists rot and termites, with gaps and sealant planned for a material that grows in hard sun.
For a Valley Glen addition, cellular PVC trim is the material named first, since it resists rot and termites and holds paint well. It also expands in hard sun, so the trim goes up with gaps and flexible sealant at the joints. The fascia, window casings and corner boards of a new room are all places where wood trim meets water.
Why PVC
Wood trim at the bottom of a wall meets water thrown up by rain and sprinklers, and it begins failing where nobody looks. Cellular PVC takes moisture without swelling and gives termites nothing to eat. It cuts and nails like wood, and comes in profiles that match what the old house wears. Trim near the ground and under window sills gets the material first. Corner boards and window casings take PVC in matching widths, so the new room reads as part of the old house.
Room to move
PVC grows and shrinks with temperature more than wood does, so every joint gets a small gap filled with flexible sealant, and long runs are joined with angled scarf cuts. Paint in a light color keeps the surface cooler. Fasteners are stainless or coated. Trim does not draw a reviewer's attention, but the exterior finish is listed on the exterior views of the plan set. A primer made for the material keeps paint from peeling off a slick surface, and a brush or sprayer works equally well.
Room Additions in Valley Glen: common questions
Consider what the space will do day to day. A room sharing the main kitchen and bath is an addition. A space built with a private door, a kitchen and a bath is an attached ADU, judged as a separate home under state law. For a Valley Glen lot we draw both and list the exterior finishes each would use.
A building permit arrives from LADBS, and the electrical, plumbing and mechanical parts take permits of their own. The plans show structure, energy compliance and the connection to the old house. Getting the set through plan check is our task.
An engineer decides, after examining the existing walls and foundation. A second floor means more exterior to finish, so trim, siding and roofing choices extend upward. The zoning rules for the parcel cap the height.
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Tell us about the property and the project. We reply with what it involves and how we would price it.