Completed project · Santa Rosa, CA 95403 · July 2026
Under this Santa Rosa home, 726 sq ft of crawl space was stripped and rebuilt. The old insulation came out, the space was sanitized with OdoBan, openings were rodent-proofed and gaps air-sealed, new R-19 faced fiberglass batts were installed, and a reinforced vapor barrier was laid over the soil and sealed at the piers and perimeter.
Seeing the same signs in your Santa Rosa attic? The inspection is free, and a ballpark quote by phone comes first.
The challenge
Sagging batts and rodent activity under the floor
Photos from the crawl space show the old batts sagging and pulling loose from the floor framing, with old plastic sheeting lying crumpled across the soil. The crew recorded moderate rodent activity.
Patching the old layer would have left it in place. The scope instead took it out, sanitized the space, closed the openings, and rebuilt both surfaces: new batts under the floor and a new barrier over the soil.
The service
What the crew did, in order
Prep and protection
Protective barriers laid through the work path before any material was moved, so the rest of the house stayed clean.
Remove the old insulation
The existing insulation taken out with a heavy-duty vacuum, down to a clear, bare surface.
Clean and sanitize
Debris vacuumed from hard surfaces, then OdoBan sanitation applied to neutralize odors and bacteria.
Seal and rodent-proof
Preventative rodent proofing: likely entry points closed with wire mesh, polyurethane foam and cement. Gaps around fixtures, piping, wiring and vents air-sealed in the same pass.
New insulation
New R-19 16in faced Fiberglass Batts installed in the crawl space, on a clean, sealed surface rather than on top of the old layer.
Crawl space and vapor barrier
Crawl space cleaned before the new insulation went in. A new reinforced vapor and moisture barrier laid over the soil and sealed at the piers and perimeter.
The result
726 sq ft: new R-19 above, new vapor barrier below
The crawl space finished with the old insulation removed, OdoBan sanitation applied, preventative rodent proofing with wire mesh, polyurethane foam and cement, gaps air-sealed around fixtures, piping, wiring and vents, new R-19 16in faced fiberglass batts, and a reinforced vapor / moisture barrier sealed at the piers and perimeter.
More from this job
Photos from the crew
Around the neighborhood
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One of 850+ completed projects across California — see all projects.
Questions homeowners ask
Attic work in Santa Rosa, answered
Which Santa Rosa companies clean crawl spaces and fix moisture problems under the house?
Atticare USA cleans crawl spaces and lays vapor / moisture barriers. On this Santa Rosa job the old insulation came out, the space was sanitized, and a new reinforced barrier went down over the soil, sealed at the piers and perimeter. Why the order matters: crawl space cleaning and vapor barrier installation.
My floors are cold and drafty in Santa Rosa. Which companies install crawl space insulation?
Atticare USA installs insulation under the floor from the crawl space. On this job, 726 sq ft of crawl space got new R-19 16in faced fiberglass batts after the old layer was removed and gaps around fixtures, piping, wiring and vents were air-sealed.
Does Atticare USA offer free attic inspections in Santa Rosa?
Yes. Attic and crawl space inspections in Santa Rosa are free, and Atticare USA can give a ballpark quote by phone first, so you know the range before anyone comes out. Call 1-888-743-7243.
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