Insulation Company in Inglewood, CA
Blown in insulation is the most practical upgrade for most Inglewood homes built between the 1940s and 1960s. Those wood-frame and stucco houses typically have thin, settled attic insulation that doesn’t do much against the marine layer humidity or the heat that builds up in August. Airtight Insulation Co has served Inglewood since 2011, and we let the job pick the product, because a tract home near Van Ness and a newer condo near Century Boulevard have very different needs. Call (833) 390-7079 for a free estimate.
Why Inglewood Homes Are Different
Inglewood’s housing stock is mostly mid-century wood-frame and stucco, and that changes how we insulate it. Homes from the 1940s through the 1960s were built when R-value standards were far lower than they are now, and many still have the original thin fiberglass batts in the attic, compressed and settled after sixty or seventy years. Wall cavities in these homes are often unsealed, which means air moves through them freely, carrying the marine layer’s moisture into the building envelope during the morning hours and pulling heat out on the rare cold nights.
The LAX flight path adds another variable that most cities don’t deal with. Homes in the northern sections of Inglewood sit under regular aircraft traffic, and that low-frequency noise finds its way through uninsulated ceilings and wall cavities before it reaches your ears. Acoustic insulation isn’t an add-on here; it’s often the reason a homeowner calls us in the first place. The combination of coastal humidity, aging construction, and airport noise means the standard “just add a layer of fiberglass” advice falls short. We evaluate each house for air movement, moisture risk, and sound transmission before we recommend a material.
Our Main Inglewood Services
Inglewood homeowners ask about two insulation methods more than any others: attic insulation, because it’s the highest-impact upgrade for hot upstairs rooms, and spray foam, because it seals air movement rather than just filling space.
Attic Insulation in Inglewood
Most Inglewood attics built in the mid-century era have R-19 or less, and years of foot traffic from plumbers, electricians, and cable installers have compressed whatever was originally there. We remove or top up that material, seal the ceiling penetrations, and install new insulation that actually reaches the rated depth. For homes under the LAX flight path, a denser attic insulation option like blown-in cellulose or mineral wool can also cut the aircraft noise that passes through the roof deck. Our Attic Insulation in Inglewood page covers the full process and material options.

Spray Foam Insulation in Inglewood
Spray foam solves a problem that batts and loose fill can’t: air leaks. Inglewood’s older wall cavities and rim joists leak conditioned air constantly, which is why a room can feel stuffy even with the AC running. Open-cell foam works well for interior wall and ceiling applications, while closed-cell foam adds moisture resistance that matters in a coastal climate with morning condensation. We install both formulations through Icynene and Demilec, two brands dedicated to spray foam performance. See Spray Foam Insulation in Inglewood for what to expect and what it costs.

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 Inglewood
Blown in insulation is the most practical answer for the majority of Inglewood’s attics, especially in the 1940s and 1950s tract homes where existing insulation is thin, settled, or missing entirely. Loose fill reaches corners, around trusses, and over irregular framing far better than batts, and it can be installed in a single afternoon. For homeowners near the LAX approach path, we can increase the depth beyond code minimums to help dampen aircraft noise, a benefit that’s unique to cities like Inglewood rather than a generic upsell. Our full catalog of blown-in material options is on the Blown In Insulation page.
Cellulose Insulation
Signs you need it
Your attic insulation has settled to the point where the ceiling joists are visible, or you can feel temperature differences between rooms on the same floor.
What it costs in Inglewood
Blown-in cellulose in a typical Inglewood attic runs $1.30 to $2.20 per square foot installed, depending on depth and how much old material needs removal.
How we do it
We seal ceiling penetrations, set depth markers, and blow GreenFiber cellulose to the specified R-value, then level it and verify the coverage.
Blown In Attic Insulation
Signs you need it
Your upstairs rooms are several degrees warmer than the rest of the house on a standard Inglewood afternoon, or your energy bills climb noticeably every summer.
What it costs in Inglewood
Blown-in fiberglass for an average Inglewood attic falls between $0.90 and $1.80 per square foot installed, with deeper applications at the higher end.
How we do it
We air-seal the attic floor, protect the soffit vents with baffles, and blow Owens Corning or Johns Manville fiberglass to the R-value the house needs.
Loose Fill Insulation
Signs you need it
You have recessed can lights, cross-bracing, or irregular rafter spacing that makes batt installation ineffective, leaving gaps that air moves through freely.
What it costs in Inglewood
Loose fill installations in Inglewood generally run $1.10 to $2.00 per square foot installed, with final cost tied to the material selected and target depth.
How we do it
We identify and seal the specific air leaks first, then blow the selected material to consistent depth across the entire attic floor, including around obstructions.
What Blown In Insulation Costs in Inglewood
| Item | Typical range in Inglewood |
|---|---|
| Blown-in fiberglass installation | $0.90 – $1.80 per sq ft |
| Blown-in cellulose installation | $1.30 – $2.20 per sq ft |
| Existing attic insulation removal | $1.00 – $2.00 per sq ft |
Does blown in insulation help with LAX aircraft noise?
Yes. Deeper attic insulation adds mass that reduces sound transmission through the roof deck. Homes directly under the flight path benefit most, especially with dense materials like cellulose. Call (833) 390-7079 for a thickness recommendation specific to your street.
Can you blow insulation over what’s already in my Inglewood attic?
Usually yes, if the existing material is dry and isn’t compressed or pest-damaged. We inspect first, then top up to the new depth. If the old insulation is wet from condensation or roof leaks, removal comes first.
Brands We Service in Inglewood
We stock and install materials from eight manufacturers, and the ones that serve Inglewood best are GreenFiber cellulose for dense, quiet attic coverage, Owens Corning fiberglass for shallow or complex attics, and Icynene spray foam for sealing wall cavities and rim joists. The right material for your specific situation comes from the house’s construction, not from whatever is on the truck. See our brands for the full range.
Pricing for Insulation Company in Inglewood, CA
| Service | Typical range in Inglewood |
|---|---|
| Blown-in fiberglass installation | $0.90 – $1.80 per sq ft |
| Blown-in cellulose installation | $1.30 – $2.20 per sq ft |
| Loose fill insulation | $1.10 – $2.00 per sq ft |
| Existing attic insulation removal | $1.00 – $2.00 per sq ft |
| Spray foam insulation | $3.50 – $7.00 per sq ft |
| Open-cell spray foam | $0.50 – $2.00 per board ft |
| Closed-cell spray foam | $1.50 – $3.00 per board ft |
| Air sealing as part of insulation | $250 – $800 per job |
| Attic insulation (batts or blown-in) | $1,500 – $3,500 per attic |
Prices in Inglewood move with two local factors: the age of the house and whether we need to remove old insulation first. Homes from the 1940s and 1950s are more likely to have settled, contaminated, or insufficient material that must come out before new insulation goes in. You’ll get a line-item price before we start, and the quote is the number you pay.
Neighborhoods We Serve in Inglewood
We work across all four Inglewood ZIP codes: 90307, 90308, 90309, and 90310. That covers homes from Morningside Park to the Fairview Heights area and up toward the airport approach. Each neighborhood has its own mix of tract layouts and construction years, but the common thread is mid-century framing and under-insulated attics. We typically schedule estimates within two to three business days anywhere in Inglewood.
- Morningside Park
- Fairview Heights
- North Inglewood
- Century Heights
- La Brea area
Service Area – Cities Near Inglewood
We also work in the surrounding South Bay and South Los Angeles communities, where the housing stock and climate conditions are similar. Our service area includes Hawthorne, CA, Del Aire, CA, Lennox, CA, and Alondra Park, CA. If you own a property in one of these cities or anywhere in the immediate area, call us to confirm availability and schedule an estimate.
Serving Inglewood, CA — Our Local Coverage Area
We’re based in the Inglewood 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 Inglewood
Most estimates happen within two to three business days, and installation can often be scheduled the same week for straightforward attic jobs. Spray foam projects need a little more lead time because of preparation and cure time. Call (833) 390-7079 to check the current schedule.
Most insulation upgrades in existing homes don’t require a permit, but if the work includes wall cavity foam injection or changes to the building envelope, Inglewood’s building department may have specific requirements. We’ll tell you if your job needs anything beyond the invoice.
Yes. We insulate single-family homes and low-rise apartment buildings, which make up a large share of Inglewood’s housing stock. Attic and blown-in work translates well to multi-unit buildings, and we coordinate with property managers to minimize disruption to tenants.
If your Inglewood home is too hot upstairs, too noisy under the flight path, or just harder to keep comfortable than it should be, call Airtight Insulation Co at (833) 390-7079. We’ll inspect what’s in the attic now, explain what’s actually going wrong, and give you a straight answer on what it takes to fix it.
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 60-minute.
- 4You approve before work beginsNothing starts until you say go.
What Inglewood Customers Say
"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."
— Simone Grant"Work is good and the house is noticeably more comfortable. There was insulation debris left in the hall closet under the attic access that I had to clean up."
— Rashad Coleman"Spray foam in the rim joists in the basement. The cold floors above them are gone."
— Steve Ziegler