Insulation Company in Compton, CA
Woolsey Attic Insulation is the insulation company Compton homeowners call when their attic has settled to dust or their walls were never insulated in the first place. Most homes here went up between 1945 and 1965, when builders skipped wall insulation entirely and put barely three inches of fiberglass in the attic. Sitting 12 to 14 miles inland, Compton doesn’t get the coastal breeze that cools Torrance or Hawthorne, so those uninsulated attics hit 130 to 140 degrees by mid-afternoon in July. That’s the problem we solve most often, and the reason an honest, written price matters here more than almost anywhere in South LA. Call (325) 240-5411 and you’ll get exactly that before any work starts.
Why Compton Homes Are Different
Compton’s housing stock is overwhelmingly post-WWII wood-frame stucco, mostly ranch and bungalow layouts built when energy was cheap and wall insulation was considered optional. Walk into an original 1950s attic here and you’re likely to find a thin layer of rock wool that has compacted to near-zero R-value, or in some cases vermiculite, which needs hazmat assessment before any blown-in upgrade can proceed. That’s a Compton-specific reality contractors in newer build areas never deal with. We plan for it from the first site visit, because a vermiculite discovery mid-job adds cost and delay that should have been flagged at the estimate stage, not after the crew has arrived.
The bigger issue is heat gain. Compton’s position roughly a dozen miles from the coast, combined with dense asphalt and concrete infrastructure, means attic temperatures routinely push past 130 degrees in summer. That heat radiates down through ceilings and walls, forcing air conditioning systems to run far longer than they should. Winter heating is barely a factor. Nearly every insulation dollar spent in Compton returns on reduced cooling loads, not reduced heating bills, which changes both how we scope the work and how we talk about payback with homeowners.
A high proportion of Compton properties are now rentals with years or decades of deferred maintenance. We routinely find layered insulation jobs, where a previous owner blew cellulose over old fiberglass without air sealing first, or skipped half the attic entirely. There’s no uniform baseline to assume. Each attic has to be inspected, measured, and priced on its own terms, which is exactly how we work.
Our Main Compton Services
Compton homeowners typically reach out about two things: bringing an old or under-insulated attic up to modern standards, and sealing the building envelope with spray foam. Each has its own dedicated Compton page below.
Attic Insulation in Compton
Most Compton attics we open have either settled fiberglass with an R-value somewhere in the single digits or original 1950s rock wool that was barely adequate when it was installed. The job involves removing or addressing whatever is up there, air sealing the attic floor where it matters, and blowing in fresh insulation to a level that makes sense for Compton’s inland heat profile. We work with Owens Corning, Johns Manville, and Knauf materials, and we’ll tell you exactly what’s going in and why before the first bag is loaded. Read more on our dedicated Attic Insulation in Compton page.

Spray Foam Insulation in Compton
For Compton homes with open attic cavities or knee walls that leak conditioned air, spray foam insulation, a two-part liquid that expands on contact and seals gaps airtight, is often the highest-impact option. Closed-cell foam also adds structural rigidity, which matters in older wood-frame ranches, and it performs exceptionally well when attic temperatures climb past 130 degrees. The material isn’t right for every home, and we’ll say so plainly if it isn’t. Details on cost, timing, and suitability are on our Spray Foam Insulation in Compton page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Compton
We install and service materials from Owens Corning, Johns Manville, Knauf, Rockwool, and several other leading manufacturers. The brand recommendation fits the home and the budget, not whatever happens to be on the truck. See our brands for the full lineup.
Pricing for Insulation Company in Compton, CA
| Service | Typical range in Compton |
|---|---|
| Attic insulation upgrade (blown-in fiberglass, existing attic, ~1,200 sq ft) | $1,800 – $3,400 |
| Attic insulation removal and full replacement (incl. disposal) | $2,500 – $4,800 |
| Air sealing + blown-in insulation package | $2,200 – $4,000 |
| Spray foam insulation – open-cell, attic ceiling or roofline | $2,800 – $5,500 |
| Spray foam insulation – closed-cell, attic ceiling or exterior walls | $4,500 – $8,000 |
| Blown-in insulation over existing settled material | $1,500 – $2,800 |
| Attic hatch or access sealing with weatherstripping | $200 – $500 |
What pushes price up in Compton is usually one of two things: vermiculite or old rock wool that requires testing and hazmat handling before removal, or an attic with knob-and-tube wiring that has to be addressed before insulation can legally be added. We’ll identify either condition during the initial assessment so it never becomes a doorstep surprise. Every job, regardless of material or scope, gets a written price before any work begins, under The Kingswell Way: say the price, show up in the window, leave the site cleaner than we found it, put the guarantee in writing, and come back if it fails, for 365 days, at no charge.
Neighborhoods We Serve in Compton
We work throughout Compton, from the single-family blocks north of Rosecrans to the smaller bungalow streets south of Alondra Boulevard and the mixed residential areas east toward the 710 corridor. Our crews are local to the South LA area and generally reach most Compton homes the same day or next day, depending on the season.
- Sunny Cove
- Richland Farms
- Lueders Park
- Civic Center area
- West Compton
Service Area – Cities Near Compton
Woolsey Attic Insulation serves Compton and the surrounding South LA cities. If you’re in a neighboring community, we cover those homes too. See our pages for Gardena, CA, Carson, CA, Lynwood, CA, and Paramount, CA for local specifics in each city.
Serving Compton, CA - Our Local Coverage Area
We’re based in the Compton area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Insulation Company in Compton
Most attic insulation upgrades don’t require a city permit, but Compton follows California Title 24 energy standards, and any job involving structural changes or certain spray foam applications may need one. We’ll tell you upfront whether your project triggers a permit and handle the paperwork if it does. You won’t discover a permitting issue mid-job.
Most Compton homes can be scheduled within 24 to 48 hours, and same-day assessment is often available depending on season and crew load. The fastest way to find out is to call. A live person answers at (325) 240-5411, 24 hours a day, 7 days a week, no voicemail maze, and can confirm the next available window for your street.
Yes. We regularly insulate Compton rental properties with tenants in place. Work is scheduled at the tenant’s convenience where possible, the crew wears uniforms and is background-checked, and the job site is left clean the same day. If the attic has vermiculite or old rock wool, we’ll flag the testing requirement before any work begins so you can plan the timeline with your tenant.
What happens when you call
- 1A real person answersNo phone trees - talk to a local insulation pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within 30-60 min.
- 4You approve before work beginsNothing starts until you say go.
What Compton Customers Say
"Drafty old house that never felt comfortable. After the attic and some air sealing it's a different place. On time, clean, and the quote didn't change. Wish I'd done it years ago."
- Dmitri Kozlov"Spray foam in the crawlspace and new attic insulation. They wrote up the whole price and the two jobs came in exactly as quoted. Floors upstairs aren't freezing in the morning anymore."
- Nathan Pruitt"Showed up on time, laid down protection on the floors, and were careful going into the attic. Explained exactly what they were doing and why. House holds its heat so much better now."
- Preston Hale