Attic & Crawl Space Remediation
Insulation Removal in San Leandro, CA
101 Exterminators removes rodent-contaminated and moisture-damaged attic insulation in San Leandro using HEPA-filtered vacuum equipment. California licensed, SPCB Lic. #9119, working Alameda County since 2005. In a city where the median house dates to about 1959, plenty of attics still hold their original material — and six decades of roof rat activity along the eave line ends up in that insulation, not out of it.
Warning Signs
Signs You Need Insulation Removal Service in San Leandro
Complete removal of blown-in or batt insulation from attics using industrial HEPA-filtered vacuum equipment. Spot removal of specific contaminated areas in crawl spaces. After removal, we apply disinfectant to surfaces and can coordinate insulation reinstallation. Rodent exclusion work is performed prior to or concurrent with insulation removal to prevent re-infestation after new insulation is installed.
Rodent activity confirmed in attic — droppings, tracks, gnaw marks, or nesting visible in insulation
Strong ammonia smell from attic — indicates heavy rodent urination throughout insulation
Water damage to ceiling indicating roof leak that has saturated attic insulation
Insulation age over 20 years — blown-in insulation settles and loses R-value significantly over time
Pest inspection report noting contaminated insulation as a Section 2 condition
How It Works
Our Insulation Removal Process in San Leandro
Every job follows the same methodical approach — no shortcuts, no guesswork. Here is what to expect when you work with us in San Leandro.
Assessment & Safety Review
We assess contamination extent, access points, insulation type, and identify any asbestos indicators that would require different handling protocols.
Rodent Exclusion First
If rodents are active, we seal entry points before beginning removal — installing new insulation before resolving active infestation is counterproductive.
HEPA-Vac Removal
Contaminated blown-in insulation is vacuumed out using HEPA-filtered equipment that contains particulates. Batt insulation is bagged and removed in sealed bags.
Disinfection & Deodorization
Surfaces are disinfected with enzyme-based or quaternary ammonium cleaners to address urine, feces, and nesting materials. Deodorization is applied as needed.
Why 101 Exterminators
Insulation Removal You Can Count On in San Leandro
Health Safety Priority
HEPA-filtered removal prevents aerosolization of contaminated particles during extraction. Our team uses N95 or higher respiratory protection throughout.
Coordinated with Exclusion
We do not simply remove and replace insulation without addressing active rodent entry — that would just contaminate the new insulation. Exclusion and removal are coordinated.
Common Questions
Insulation Removal FAQs for San Leandro
We had rats in the attic of our San Leandro house — does the insulation have to come out?
It depends how far the contamination spread, and an inspection settles that. Light activity in one corner can sometimes be spot-removed, but an attic with runs, nests and droppings through the material needs a full removal, because rodent urine and droppings can carry hantavirus and Leptospira and they do not disperse on their own. There is a practical reason as well: insulation matted flat by rat runs has already lost most of the R-value it was installed for.
Should the attic be sealed before or after old insulation is removed in a San Leandro home?
Exclusion comes first, or runs alongside the removal — never after. On the low-pitch 1950s and 1960s roofs across this city, roof rats enter at the eave-to-wall junction, through torn gable vent screens and at the fascia over an attached garage. If those are still open when fresh insulation goes down, the new material is contaminated within a season. The order that holds is seal, clear, disinfect, then reinsulate.
Is it safe to stay in the house while attic insulation is removed?
In most cases yes. The work stays in the attic, the material is drawn out through sealed HEPA-filtered vacuum hose rather than carried through the house in open bags, and the crew wears respiratory protection because they are the ones inside the contaminated space. We cover the access point and the path to the truck. If someone in the household has a respiratory condition, tell us up front and we will plan the containment and timing around it.
Local Pest Pressure
Common Pests We Treat in San Leandro
Every area has its own pest profile shaped by climate, housing, and geography. These are the pests we see and treat most often in San Leandro — tap any one to learn how to identify it and what treatment involves.
Insulation Removal · San Leandro
Free Limited Insulation Removal Inspection in San Leandro
CA licensed and insured. Written estimate before any work begins. Same-day response available for urgent situations in San Leandro.