Spray Foam Insulation in Piedmont, CA

Spray Foam Insulation in Piedmont usually involves large, older houses. Piedmont incorporated on January 31, 1907, after the 1906 earthquake, and is surrounded on all sides by Oakland. The 2020 census counted 3,947 housing units, and 86.4% of occupied units were owner-occupied, one of the highest shares in the area.

Upper and lower Piedmont

Highland Avenue divides the city into upper and lower sections, with larger lots on average in upper Piedmont. The city sits at about 331 feet and lies near the Hayward Fault.

Large houses, many leaks

Big older houses have big attics, long runs of floor over crawl spaces, and many chimneys, chases and built-ins that leak air. Sealing those paths at the attic and the floor makes the biggest difference. We check for knob-and-tube wiring and vermiculite before covering anything.

Walls

Plaster walls can be dense-packed through small holes that are patched carefully. For houses being remodeled, open walls get foam.

Owners who stay

With most homes owner-occupied, owners usually want lasting comfort rather than a quick fix. We give a full plan by area so you can phase the work.

Zone

OpenEI lists Alameda County in climate zone 3C. ENERGY STAR recommends R-49 for an uninsulated zone 3 attic and R-19 under floors.

Finished attics and third floors

Large older houses often have finished attic rooms with sloped ceilings and kneewalls. Closed-cell foam on the slopes and kneewalls, where we can reach them, gives the most R-value in limited space.

Sound between floors

In large two- and three-story houses, sound travels through open floor and wall cavities. When ceilings or walls are opened for other work, open-cell foam in those cavities cuts noise between rooms and floors noticeably.

We visit and quote each area in writing. Get a free estimate