Insulation Company in Compton, CA
Blown in insulation in Compton solves a problem most of the city’s older homes have lived with for decades: attics that were never properly insulated, or whose original insulation has compressed, settled, or broken down entirely. We’re Porch Light Insulation, a dedicated insulation contractor based in Universal City, and we work across Compton’s 90220, 90221, 90222, and 90224 ZIP codes. Call (877) 521-4987 to schedule a free estimate, and we’ll tell you exactly what’s in your attic now and what it should be.
Why Compton Homes Are Different
Compton’s housing stock skews heavily toward single-story stucco bungalows and small ranch tracts built between the 1920s and 1960s. What that means on the ground: many attics here have original or badly degraded insulation, often in unvented or barely-vented roof assemblies. In the oldest blocks, we still see wood-frame homes with plaster walls and knob-and-tube era construction, which changes how you approach air sealing and where you can safely add blown-in material.
The climate is the second piece. Compton sits inland enough in the South LA basin that summer attic temperatures routinely top 140°F in unvented roofs. Winter is mild, so the real utility-bill lever in Compton is cooling cost, not heating. That shifts the priority toward attic air sealing, radiant barrier work where appropriate, and enough R-value to keep conditioned air from cooking off into the attic. We treat Compton jobs as a cooling-load problem first.
The third piece is specific to the housing era. In Compton’s older bungalows and minimal-trad stucco boxes, attic vents are frequently undersized or painted shut, and the roof pitch is low. If you blow insulation over that condition without opening proper intake and exhaust venting, you trap heat and moisture, and the homeowner’s summer bill goes up, not down. We correct venting before we add fiber.
Our Main Compton Services
Most Compton homeowners call us about two things: upgrading attic insulation in an older home, or sealing and insulating with spray foam where air leakage is the core problem. Both are covered here, each with its own dedicated Compton page.
Attic Insulation in Compton
Attic insulation in Compton usually means pulling out compressed or collapsed material from a 1950s or 1960s tract home, sealing the attic floor, and blowing in fresh product to current Title 24 levels. Low-pitch roofs and shallow attic access are common here, so the work is slower and more deliberate than in newer subdivisions. One thing we check every time: whether the existing vents are actually moving air before we add material. Get the full picture on Attic Insulation in Compton.
Spray Foam Insulation in Compton
Spray foam in Compton tends to come up in two situations: homeowners who want the attic sealed and conditioned because their ductwork runs through it, and owners of older stucco homes with persistent hot-room problems that batts alone won’t fix. Closed-cell foam adds air sealing plus high R-value per inch in a single application, which matters when attic depth is limited. Open-cell is often the better fit for roof decks where we want the assembly to dry. Read more on Spray Foam Insulation in Compton.
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.
Blown In Insulation in Compton
Blown in insulation in Compton is, for most homes here, the fastest and most cost-effective way to correct decades of under-insulation. The tracts built out into the 1960s went up with whatever fiberglass the developer could buy cheap, and time has compressed it. We blow loose-fill fiberglass or cellulose to the depth your ceiling needs, but only after the attic floor is air sealed and any venting problems are corrected. The method matters: this is covered in our Blown In Insulation service detail.
Cellulose Insulation
Signs you need it
If you can see the tops of your ceiling joists through the existing insulation, or if the material is dark, matted, and settled below the joist line, cellulose is often the right upgrade for a Compton attic.
What it costs in Compton
Cellulose blow-in in Compton typically runs $1.00 to $1.75 per square foot depending on depth and prep work.
How we do it
We air seal the attic floor first, then blow GreenFiber or equivalent cellulose to the target depth with a calibrated hose, checking depth with a gauge as we go.
Blown In Attic Insulation
Signs you need it
Rooms that run hot in July and warm in January even with the HVAC running usually point to an attic that has insufficient or collapsed insulation over the living space.
What it costs in Compton
Blown-in attic insulation in Compton generally lands between $2.25 and $2.75 per square foot for a full remove-and-reinstall.
How we do it
We remove the old material where necessary, seal penetrations, verify intake and exhaust venting, and blow fresh product to the R-value the home needs.
Blown In Cellulose Insulation
Signs you need it
Older homes with irregular joist spacing, odd cavities, or shallow attic access are prime candidates for blown-in cellulose, which fills those awkward spaces better than batts.
What it costs in Compton
Blown-in cellulose over an existing under-insulated attic in Compton typically falls between $1.50 and $2.00 per square foot.
How we do it
We run a hose into the attic access, break the material up to the right density, and blow it evenly across the floor until we hit the specified depth.
What Blown In Insulation Costs in Compton
| Item | Typical range in Compton |
|---|---|
| Cellulose blow-in (new or topping off) | $1.00 – $1.75 per sq ft |
| Blown-in attic insulation (full project) | $2.25 – $2.75 per sq ft |
| Blown-in cellulose over existing insulation | $1.50 – $2.00 per sq ft |
Is blown in insulation worth it in Compton’s climate?
Yes, particularly for cooling costs. In Compton’s inland heat, attic temps above 140°F radiate into the house. Blown-in insulation, combined with proper venting, cuts that heat transfer directly. Call (877) 521-4987 for an exact quote.
How long does blown in insulation last in Compton?
Cellulose and fiberglass both last decades, but in Compton’s dry heat, the old fiberglass in 1950s and 1960s attics has already compressed and lost loft. New material, properly installed, should hold its R-value for the life of the home. Call (877) 521-4987 for an inspection.
Brands We Service in Compton
We carry and install material from Owens Corning, Icynene, Demilec, and GreenFiber, among a wider bench. That means the product gets matched to the job, not the other way around. We stock common batt dimensions and loose-fill materials for Compton jobs locally, and special-order spray foam lines like Icynene and Demilec within a few business days. See our brands for the full list.
Pricing for Insulation Company in Compton, CA
| Service | Typical range in Compton |
|---|---|
| Cellulose blow-in | $1.00 – $1.75 per sq ft |
| Blown-in attic insulation (full project) | $2.25 – $2.75 per sq ft |
| Blown-in cellulose over existing insulation | $1.50 – $2.00 per sq ft |
| Attic air sealing (before any blow-in) | $950 – $1,800 per attic |
| Spray foam, open-cell (per inch per sq ft) | $0.50 – $0.75 |
| Spray foam, closed-cell (per inch per sq ft) | $0.85 – $1.30 |
| Batt insulation, fiberglass (per sq ft, installed) | $0.90 – $1.30 |
| Mineral wool batts (Rockwool, per sq ft, installed) | $2.00 – $3.00 |
| Crawl space encapsulation (up to 1,500 sq ft) | $7,000 – $10,000 |
| Attic fan installation | $450 – $650 |
What pushes price up in Compton specifically: painted-shut or undersized attic vents that need opening before insulation goes in, shallow low-pitch attics that slow the work, and the occasional knob-and-tube wiring or plaster condition in pre-1940 blocks that requires extra care. Every quote is line-item and upfront, and we never add material or scope you didn’t approve.
Neighborhoods We Serve in Compton
We work across Compton’s 90220, 90221, 90222, and 90224 ZIP codes. Most jobs in this area are within 20 to 30 minutes of our Universal City base, which keeps scheduling tight.
- Sunny Cove
- Richland Farms
- North Compton
- Compton Creek area
- Downtown Compton
Service Area – Cities Near Compton
We also serve homes just outside Compton’s border. If you’re in East Rancho Dominguez, CA or West Rancho Dominguez, CA, you’re within our regular route. We work south into Carson, CA and west toward Gardena, CA, same crew and same upfront pricing.
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
We schedule Compton jobs same-week in most cases, and our crews are in the area regularly. Emergency calls, like a ceiling leak from a damaged attic, get routed to soonest availability. Call (877) 521-4987 and we’ll give you a real arrival window.
Most insulation-only work doesn’t require a permit in Compton, but attic venting changes that involve roof or siding penetrations sometimes do. We check local requirements before we quote, and we’ll tell you if anything needs to be pulled. Call (877) 521-4987 for specifics on your street.
We cover 90220, 90221, 90222, and 90224 without trip charges, and we’ve served Compton since 2014. If you’re unsure whether your block is in our service area, call (877) 521-4987 and we’ll confirm while you’re on the phone.
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 the hour.
- 4You approve before work beginsNothing starts until you say go.
What Compton Customers Say
"Installed baffles at the soffits so the new insulation didn't block the ventilation, which the previous contractor apparently never considered."
— Cole Rhodes"Plastic laid from the front door to the attic hatch and they vacuumed the hallway afterward."
— Rosa Mendoza"He did a blower door test before and after and gave me the numbers. I like being able to see the difference rather than being told about it."
— Ruben Garcia