Completed project · Downey, CA 90242 · July 2026
It started with a free inspection. 1,100 sq ft of Downey attic, taken back to bare joists and rebuilt. New R-38 16in Fiberglass Batts installed on a stripped, sealed deck. Also in scope: a gable fan.
Seeing the same signs in your attic? The inspection is free.
The challenge
An attic below current standard
No rodent activity in this Downey attic. The work was about performance — bringing the space up to where it should be.
The service
What the crew did, in order
Remove the old insulation
The existing insulation layer taken out with a heavy-duty vacuum across 1,100 sq ft, leaving bare joists and a clear view of the deck.
Clean and sanitize
Rodent waste, droppings and nesting material vacuumed out, then the surfaces treated with OdoBan sanitation to clear odor, bacteria and the scent trails that draw rodents back.
Seal and rodent-proof
Entry points sealed with wire mesh, polyurethane foam and cement. Gaps around fixtures, piping, wiring and vents air-sealed in the same pass — the openings that leak conditioned air are usually the ones rodents use.
Ventilation
Attic ventilation added so the space can move heat out instead of holding it.
New insulation
New R-38 16in Fiberglass Batts installed across 1,100 sq ft, bringing the attic to current California code on a clean, sealed deck rather than on top of the old layer.
The result
1,100 sq ft brought up to standard
The attic is back to current standard, insulated in R-38 16in Fiberglass Batts.
More from this job
A few more shots from the crew
Around the neighborhood
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Questions homeowners ask
Attic work in Downey, answered
Should this attic have had insulation added instead of replaced?
Where a layer is clean and still at its rated R-value, adding over it is the cheaper and correct call. Replacement is for layers that have settled, been contaminated, or fallen below code. Here is how to tell which you have: cleaning versus full replacement.
What does rodent proofing include in Downey?
Rodent proofing is exclusion work: sealing the gaps and openings rodents use to get in, with wire mesh, polyurethane foam and cement. Live removal, where it is needed, is handled by a licensed pest control provider. Atticare USA has written up the entry points rodents actually use and the 5-step restoration process that follows. Worth reading before you compare quotes: how to compare rodent-proofing warranties.
Does Atticare USA offer free attic inspections in Downey, CA?
Yes. Atticare USA offers free attic and crawl space inspections across Downey and the surrounding Los Angeles area, and books them by phone.
Start the same way this job did.
A free attic and crawl space inspection in Downey tells you what is actually up there — what it would take to put right, and what it would not.
