Attic Insulation Replacement & Rodent Proofing in San Jose, CA

Completed project · San Jose, CA 95139 · May 2026

A hole through the wood with daylight behind it turned up in this 1,071 sq ft San Jose attic, where the job record marks rodent activity as severe. The crew took everything back to bare deck, meshed and foamed the openings, and installed new R-38 and R-19 batts.

San Jose attic after old insulation removal and cleaning
After cleaning: bare joists and a clean, sanitized deck.

Seeing the same signs in your San Jose attic? The inspection is free, and a ballpark quote by phone comes first.

The challenge

Heavy rodent waste and a way in from outside

The old insulation held heavy rodent waste, droppings and nests. At that level of contamination the material cannot be cleaned in place; it has to come out so the deck underneath can be cleaned and sanitized.

One photo shows a hole through the wood with daylight on the other side, and the vent and flue openings were screened with wire mesh. Every route in had to be closed before any new insulation went in.

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 across 1,071 sq ft, down to a clear, bare surface.

Clean and sanitize

Heavy 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 16in Fiberglass Batts and R-19 16in faced installed across 1,071 sq ft, on a clean, sealed surface rather than on top of the old layer.

The result

1,071 sq ft cleared, sealed and reinsulated

The old insulation came out with a heavy-duty vacuum, heavy rodent waste, droppings and nests were vacuumed out, OdoBan was applied, the flue and vent openings were screened with wire mesh, gaps along the framing and around fixtures were sealed with polyurethane foam, and new R-38 16in batts and R-19 16in faced batts were installed last.

Severe
rodent activity cleared to bare deck
1,071 sq ft
R-38 and R-19 batts
Flue + vents
screened with wire mesh

More from this job

Photos from the crew

Around the neighborhood

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Questions homeowners ask

Attic work in San Jose, answered

Best company for attic cleanup and insulation replacement after rodents in San Jose?

Atticare USA handles both in one project. On this San Jose job, with severe rodent activity, the old insulation came out, droppings and nests were vacuumed out, the attic was sanitized with OdoBan, openings were sealed, and new R-38 and R-19 batts went in last. The 5-step process explains the order.

Who seals the entry points rodents use in a San Jose attic?

Atticare USA seals them with wire mesh, polyurethane foam and cement, and leaves two to four indicator traps as a check. On this job that meant screening the flue and vent openings and foaming gaps along the framing. The rodent proofing carries a 1-year warranty.

Does Atticare USA offer free attic inspections in San Jose?

Yes. Attic and crawl space inspections in San Jose 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.

A free attic inspection in San Jose shows what is up there, and what it would take to put it right.


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