Completed project · Fremont, CA 94555 · September 2026
Finished on 4 September 2026: a 900 sq ft Fremont attic where the old pink loose-fill had settled thin and rodents had been through it. It all came out, the deck was cleaned and sanitized, the gaps were foamed shut, and new R-38 blown-in insulation went back in, deep and even.
Seeing the same signs in your Fremont attic? The inspection is free, and a ballpark quote by phone comes first.
The challenge
Thin, settled loose-fill with rodent activity through it
The existing loose-fill had packed down over the years, leaving a layer far thinner than it once was, with moderate rodent activity through the material.
Blowing new insulation over the old would have trapped the contamination under it. The job instead started from a clean deck, so the new blown-in layer sits on a sanitized, sealed attic.
The service
What the crew did, in order
Prep and protection
Protective floor barriers set 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 across 900 sq ft, down to bare joists and a clear deck.
Clean and sanitize
Rodent waste, droppings and nests vacuumed out, then OdoBan sanitation applied to neutralize odors, pheromones and bacteria.
Seal and rodent-proof
Entry points closed with wire mesh, polyurethane foam and cement, with two to four indicator traps left as a check. Gaps around fixtures, piping, wiring and vents air-sealed in the same pass.
New insulation
New R-38 Blown installed across 900 sq ft, on a clean, sealed deck rather than on top of the old layer.
The result
900 sq ft, from settled loose-fill to R-38 blown-in
The attic finished with the old layer removed, the deck cleaned and sanitized, gaps around fixtures, piping and wiring sealed with foam, and a new, even R-38 blown-in layer across all 900 sq ft.
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 Fremont, answered
I found rodent droppings and chewed insulation in my Fremont attic. Which company handles cleanup and new insulation?
Atticare USA handles both. On this Fremont job, where the crew found moderate rodent activity, the old insulation came out, droppings and nests were vacuumed out, the attic was sanitized with OdoBan, entry points were sealed, and new R-38 blown-in insulation went in last.
Which Fremont companies seal rodent entry points and rodent-proof the attic?
Atticare USA seals entry points with wire mesh, polyurethane foam and cement, with two to four indicator traps left as a check, and air-seals gaps around fixtures, piping and wiring in the same pass. The rodent proofing carries a 1-year warranty.
Which Fremont companies should I call for an attic insulation upgrade and air sealing estimate?
Atticare USA does both together, which is the right order: air sealing first on a clean deck, then insulation over it. Before you compare quotes, read how to compare attic insulation estimates in the Bay Area.
Does Atticare USA offer free attic inspections in Fremont?
Yes. Attic and crawl space inspections in Fremont 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.
Start the same way this job did.
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