ADU Construction in Beverly Hills

Beverly Hills ADUs and garage conversions with fiberglass windows, cool roofs and lapped flashing. We prepare the plans, handle the permit and build the unit.

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Fiberglass window frames are what we specify for a Beverly Hills ADU. Vinyl can soften and bow when hard afternoon sun sits on a dark frame, and the seal around the glass is the next thing to go. Fiberglass grows and shrinks at close to the rate of the glass it holds, so the joints stay tight through hot days and the odd heavy winter storm. Plans go to the City of Beverly Hills building department for review before any work begins.

Finishes that hold up to sun and dry wind

Inland, a small building wears out from ultraviolet light, daily heat swings, dry gusts and the occasional downpour. We like a light, cool-rated roof surface so the attic runs closer to outdoor temperature, and we keep painted wood away from faces that bake all afternoon. Trim can be fiber cement or cellular PVC board, both of which hold paint. Around every opening we use a silicone or polyurethane sealant rated for movement, and each window sits on a sill pan with tape lapped so any water that gets in drains out and down. Exterior screws and hangers are hot-dipped galvanized, and the siding hangs over a drainage gap.

Where the unit can stand on the lot

Placement comes before any finish choice. We locate the property lines, then mark the rear and side setbacks the city enforces and the separation needed from the main house. Mature trees, an existing garage and the path of the sewer lateral each take a share of what is left. If the yard is flat, a slab on grade is simple to form. A lot that falls away toward the back may call for stepped footings or a raised floor, and we check before drawing either. Once a footprint works on paper, we stake it on the ground so you can stand where the door will be and judge the view.

About ADU ConstructionEverything in Beverly Hills

ADU Construction in Beverly Hills: questions

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