New Construction in Mar Vista, Built to Stay Dry Inside
New house construction in Mar Vista built to keep damp coastal air from settling indoors, with a ventilated wall, ducted fans and fresh air by design.
Will damp air off the ocean find its way into a new house? It is a fair question to raise on a Mar Vista lot, and the answer depends on how the walls and the air inside are handled. We build the outer wall so moisture that gets in can drain and dry, and we give the house a steady supply of fresh air with exhaust where water is used. Closets and corners stay as dry as the rooms.
A wall that can dry
Siding goes over a narrow rain screen gap, so water that slips behind it drains out at the bottom and air can move through to dry the sheathing. The weather barrier is a vapor-open sheet, letting moisture leave the wall while blocking liquid water. Insulation fills the cavities fully, leaving no cold pockets where damp air could condense. Corners, where framing tends to crowd out insulation, are detailed so they fill completely. Attic vents are sized and placed so air sweeps the underside of the roof deck and carries moisture out before it can settle.
Fresh air, steady and measured
A new house is built tight, so California's energy code calls for whole-house mechanical ventilation, a fan that brings in fresh air on a schedule. Bathrooms get exhaust fans with humidity controls, the range hood and dryer vent run outdoors, and the laundry can get its own fan. A HERS rater tests the airflow before final. LADBS reviews the ventilation design with the energy forms. Should the lot fall within the mapped coastal zone, a coastal development approval may be needed before the building permit, so we check early.
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New Construction in Mar Vista: questions
Tell us which rooms will be wet daily: baths, the laundry, a kitchen that cooks often. Those set fan sizes and duct runs. We also note which walls face the weather, since they get close attention at windows, flashing and the rain screen. Lot boundaries, soil data and zoning come from the survey, the geotechnical study and the city.
The first agreement covers design coordination, the engineering, energy calculations and the LADBS permit, plus any coastal approval the lot needs. Construction is then priced in the sequence the crews follow, with the rain screen, the ventilation fan and the humidity-controlled exhausts are listed by name, so each part of the moisture plan has a visible cost.
Each consultant works to our timetable. Survey first, then the geotechnical study, then structural design of the frame. An energy consultant sizes the ventilation and prepares the forms. We check that their documents agree before your designer relies on them, and Mar Vista plan check comments go back through the consultant responsible.
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Tell us about the property and what you have in mind. We reply with a written next step.