Insulation in Commerce, CA
Spray foam insulation in Commerce works harder than it does almost anywhere else in Los Angeles County. The city’s sprawling warehouses, tilt-up concrete buildings, and 1940s-1960s homes all bake under a brutal urban heat island, with summer afternoons regularly hitting 95-100°F. If your cooling bills are out of control and the building still feels hot by 4 p.m., the insulation is usually the weak link. Call Walt’s Insulation at (213) 527-4062 and we’ll tell you exactly what’s going on up there.
Why Commerce Homes Are Different
Commerce is one of the most intensively industrialized small cities in the United States. Warehouses, distribution centers, cold-storage facilities, and light manufacturing plants dominate the land. Residential streets are thin slices between rail corridors and freeway-adjacent industrial campuses. That shapes the insulation work here in ways a typical suburban contractor never sees.
Most of Commerce’s homes went up in the 1940s through 1960s, built fast and cheap with little or no wall insulation and just a few inches of attic fiberglass. But the bigger story is the heat. Commerce sits inland with virtually no marine cooling influence. The dark asphalt, concrete, and metal-roofed warehouses soak up sun all day and re-radiate it all night. An attic in Commerce can hit 140°F in August. That’s why air sealing and radiant barriers matter as much here as the insulation itself. For older tilt-up commercial buildings constructed before California’s Title 24 energy-code minimums, roof-deck retrofits are often the single highest-ROI upgrade a tenant can make.
Our Main Commerce Services
Most Commerce homeowners call us first about two problems: attics that turn houses into ovens, and crawl spaces that push damp, stale air up into the living room.
Attic Insulation in Commerce
Older Commerce attics rarely have enough insulation for this heat load. We inspect what’s up there, air seal the floor, and install Owens Corning or Johns Manville insulation to match the conditions. If your upstairs rooms run 10 degrees hotter than downstairs, Attic Insulation in Commerce is the place to start.
Crawl Space Encapsulation & Vapor Barrier in Commerce
Homes built in the 1940s and 1950s often sit over dirt crawl spaces. In Commerce’s heat, that dirt dries out, cracks, and lets moisture rise into the framing. We seal the space with a reinforced vapor barrier, close the vents, and control the humidity. Crawl Space Encapsulation & Vapor Barrier in Commerce covers the full job.
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.
Spray Foam Insulation in Commerce
Closed-cell spray foam is the workhorse for Commerce’s industrial buildings and the best upgrade for its older homes. The heat load here is relentless, and air leaks in metal-panel or tilt-up structures are the main reason cooling bills spike in July and August. We install Spray Foam Insulation from Demilec and Icynene, because foam seals and insulates in one pass.
Open-Cell Spray Foam
Signs you need it
Rooms directly under the attic stay hot even after the AC runs for hours.
What it costs in Commerce
Open-cell spray foam in Commerce typically runs $1.50-$3 per board foot.
How we do it
We prep the space, run the hose, and spray the expanding foam directly onto the attic floor or roofline.
Closed-Cell Spray Foam
Signs you need it
You need serious R-value in a tight space, or you’re battling moisture and air intrusion in a warehouse wall or roof deck.
What it costs in Commerce
Closed-cell spray foam in Commerce typically runs $2.50-$5 per board foot.
How we do it
We apply the two-part foam in lifts until it reaches the specified thickness, then trim any overspray.
What Spray Foam Insulation Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Open-cell spray foam | $1.50-$3 per board foot |
| Closed-cell spray foam | $2.50-$5 per board foot |
| Spray foam roof deck retrofit | $4-$7 per board foot |
Can you spray foam an older Commerce home without tearing out the drywall?
Yes. For open walls, we drill and fill with injection foam. For open attics and rim joists, we spray directly. No gut job required in most cases.
Does spray foam help with Commerce’s summer heat, or just winter cold?
It does both. The air-sealing effect stops hot attic air from siphoning into the living space, which is the bigger win in Commerce’s long cooling season. Call (213) 527-4062 for a quote on your square footage.
Blown-In Insulation in Commerce
Blown-in insulation is the fastest, cleanest fix for the thin attic fiberglass found in most 1940s-1960s Commerce homes. Given the brutal summer heat here, we usually recommend topping up to R-38 or better. We install Blown-In Insulation using Johns Manville fiberglass or GreenFiber cellulose, depending on the attic.
Blown-In Cellulose
Signs you need it
Your attic insulation measures under 6 inches deep, or you can see the ceiling joists from the attic floor.
What it costs in Commerce
Blown-in cellulose in Commerce typically runs $1.50-$2.50 per square foot.
How we do it
We run a hose from the truck, blow the cellulose into the attic, and level it with rakes to a consistent depth.
Blown-In Top-Up
Signs you need it
The existing insulation is dry but far below modern R-value for Commerce’s heat load.
What it costs in Commerce
A blown-in top-up in Commerce typically runs $1-$1.50 per square foot.
How we do it
We blow a fresh layer directly over the existing material, after confirming it’s dry and free of rodent damage.
What Blown-In Insulation Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Blown-in fiberglass | $1-$2 per square foot |
| Blown-in cellulose | $1.50-$2.50 per square foot |
| Blown-in top-up | $1-$1.50 per square foot |
Is blown-in insulation enough for a Commerce summer?
Yes, if the depth is right. We recommend R-38 minimum in Commerce’s heat island conditions. Air sealing first makes the blown-in layer perform far better.
Can you add blown-in insulation over what’s already in the attic?
Usually yes. We check for moisture, rodent damage, and can-light clearance first. If it’s sound, blowing over it saves removal cost. Call (213) 527-4062 to schedule an attic check.
Radiant Barrier Installation in Commerce
A radiant barrier attacks the problem blown-in insulation cannot: direct radiant heat from a 140°F roof deck. In Commerce’s sunbaked tilt-up and wood-frame buildings, that’s the difference between an attic that’s merely warm and one that radiates heat into the building all evening. We install Radiant Barrier Installation on roof decks over warehouses, shops, and older homes.
Attic Radiant Barrier
Signs you need it
The attic is 20-30 degrees hotter than the outside air on a summer afternoon, and the upstairs never cools down.
What it costs in Commerce
An attic radiant barrier in Commerce typically runs $0.80-$1.50 per square foot.
How we do it
We staple or fasten the reflective foil to the underside of the rafters, leaving an air gap that reflects heat back out.
Radiant Barrier Roof Deck
Signs you need it
Your warehouse or shop has a metal roof that turns the interior into a sauna by mid-afternoon.
What it costs in Commerce
A radiant barrier roof deck in Commerce typically runs $1.50-$2.50 per square foot.
How we do it
We fasten the barrier directly under the roof panels, which blocks most of the radiant heat before it enters the building.
What Radiant Barrier Installation Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Attic radiant barrier | $0.80-$1.50 per square foot |
| Radiant barrier roof deck | $1.50-$2.50 per square foot |
| Radiant barrier & ventilation upgrade | $2-$3 per square foot |
Does a radiant barrier replace insulation?
No. It handles radiant heat transfer, not conductive heat. The two work together, which is what Commerce’s heat island demands.
Can you install a radiant barrier in a metal warehouse roof?
Yes, that’s one of the highest-payoff jobs in Commerce. Get a free second opinion on any written estimate, and call (213) 527-4062 to set up a roof inspection.
Insulation Removal & Replacement in Commerce
Older Commerce attics collect decades of dust, rodent droppings, and compressed fiberglass that does almost nothing anymore. In warehouses and cold-storage facilities, contaminated or water-damaged insulation is a health and code issue. We remove it and install fresh material. Insulation Removal & Replacement is a core job for us here.
Attic Insulation Removal
Signs you need it
The insulation is compressed, matted down, or saturated with dust and no longer holds its R-value.
What it costs in Commerce
Attic insulation removal in Commerce typically runs $1.50-$2.50 per square foot.
How we do it
We run a commercial vacuum from the attic to the truck, bag the material, and leave the space clean for inspection.
Contaminated Insulation Removal
Signs you need it
You see rodent droppings, nesting material, or water staining in the insulation.
What it costs in Commerce
Contaminated insulation removal in Commerce typically runs $2.50-$4 per square foot.
How we do it
We contain the attic, run HEPA-filtered extraction, sanitize the surfaces, and prep for new insulation.
What Insulation Removal & Replacement Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Attic insulation removal | $1.50-$2.50 per square foot |
| Contaminated insulation removal | $2.50-$4 per square foot |
| Full remove & replace | $3-$5 per square foot |
How do I know if my Commerce attic insulation should be removed rather than topped up?
If it’s compressed, wet, rodent-damaged, or full of dust, removal is the right call. Topping up over bad material traps the problem. Call (213) 527-4062 and we’ll inspect before recommending anything.
Can you remove insulation from a warehouse ceiling without shutting down operations?
In most cases, yes. We section off work areas, run containment, and schedule around your dock hours. Every job gets a written plan before we start.
Attic Air Sealing in Commerce
Air leaks are the silent budget killer in Commerce. Attics in older homes, and the gap-filled roof decks of commercial buildings, pull conditioned air out all summer. We seal the holes, then let the insulation do its job. That’s the order, and we stick to it. Attic Air Sealing usually pays for itself within two summers here.
Top Plate & Penetration Sealing
Signs you need it
You can feel a draft around ceiling fixtures, or the upstairs rooms never hold temperature.
What it costs in Commerce
Top plate and penetration sealing in Commerce typically runs $2-$4 per linear foot.
How we do it
We foam the gaps along the top plates and around every pipe, wire, and duct that passes through the attic floor.
Attic Hatch Sealing
Signs you need it
The attic hatch has no weatherstripping, or you can see daylight around the opening.
What it costs in Commerce
Attic hatch sealing in Commerce typically runs $150-$300 per hatch.
How we do it
We add a gasket, insulate the back of the panel, and secure the hatch so it closes tight.
What Attic Air Sealing Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Top plate & penetration sealing | $2-$4 per linear foot |
| Can light & duct boot sealing | $40-$80 per fixture |
| Attic hatch sealing | $150-$300 per hatch |
Does air sealing really matter in Commerce’s climate?
More than anywhere else nearby. The attic heat siphons through every gap, and sealing cuts that flow at the source. It’s the highest-ROI prep step before insulating.
How long does attic air sealing take?
Most Commerce attics take a crew one day, sometimes two for severely leaky older homes. Call (213) 527-4062 for a time estimate on your square footage.
Wall Insulation in Commerce
The 1940s-1960s homes in Commerce mostly went up without wall insulation. That means the exterior walls are just stucco, lath, air, and drywall, and the AC fights that all summer. We drill and fill the stud cavities, or insulate from the outside where the siding allows. Wall Insulation changes how a Commerce home feels on a 100-degree day.
Injection Foam Wall Insulation
Signs you need it
Exterior walls feel warm to the touch in summer and the rooms never hold temperature.
What it costs in Commerce
Injection foam wall insulation in Commerce typically runs $3-$5 per square foot of wall area.
How we do it
We drill small holes through the stucco or drywall, inject the foam, then patch and texture the holes.
Drill & Fill Wall Insulation
Signs you need it
You want wall insulation without removing siding or drywall on an older Commerce home.
What it costs in Commerce
Drill and fill wall insulation in Commerce typically runs $2.50-$4 per square foot.
How we do it
We drill into each stud cavity, blow in dense-pack fiberglass or cellulose, then patch each hole clean.
What Wall Insulation Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Drill & fill wall insulation | $2.50-$4 per square foot |
| Injection foam wall insulation | $3-$5 per square foot |
| Interior wall soundproofing | $2-$3.50 per square foot |
Can you insulate the walls of a 1950s Commerce home without gutting it?
Yes. Drill and fill, or injection foam, goes in through small holes that we patch after. Most homes finish in a day or two.
Will wall insulation lower my cooling bill in Commerce?
Yes, usually by 15-25% depending on the home. The walls are typically the biggest missing layer in older Commerce houses. Call (213) 527-4062 for a wall inspection and quote.
Attic Cleaning & Rodent Proofing in Commerce
Rodents love the warm, undisturbed attics of Commerce’s older homes, and they wreck insulation and wiring once they settle in. In commercial buildings near rail and loading areas, the pressure is constant. We clean it out, sanitize, and seal the entry points so they stay out. Attic Cleaning & Rodent Proofing is step one before any new insulation goes in.
Attic Cleanout
Signs you need it
You hear scratching overhead at night, or you see droppings and nesting material in the insulation.
What it costs in Commerce
An attic cleanout in Commerce typically runs $500-$1,500 depending on size and condition.
How we do it
We remove the contaminated material, vacuum the space, and bag everything for disposal.
Rodent Proofing & Exclusion
Signs you need it
Rodents keep returning after cleanup, or you can see entry gaps at the roofline, vents, or utility lines.
What it costs in Commerce
Rodent proofing and exclusion in Commerce typically runs $400-$1,200 per structure.
How we do it
We seal every opening larger than a quarter with steel mesh, foam, and hardware cloth, then verify with a follow-up inspection.
What Attic Cleaning & Rodent Proofing Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Attic cleanout | $500-$1,500 |
| Sanitizing & decontamination | $300-$800 |
| Rodent proofing & exclusion | $400-$1,200 |
Do I need to clean the attic before adding insulation in Commerce?
If there’s rodent activity or heavy dust, yes. Putting fresh insulation over contaminated material locks in odor and damage. Clean first, then insulate.
How long does rodent proofing last?
Our exclusion work carries the Done Right Promise. If it’s not done right, we make it right. Sealed entry points typically hold for years. Call (213) 527-4062 to schedule an attic inspection.
Home Energy Audit in Commerce
The extreme heat load in Commerce, combined with older homes built before modern energy codes, makes a diagnostic audit the smartest first step. Blower door and thermal imaging tests show exactly where the building is leaking air and heat, so you spend money where it actually counts. Home Energy Audit is the cheapest way to avoid overpaying for the wrong fix.
Blower Door Test
Signs you need it
You want the hard number on how leaky your home or building is before paying for air sealing.
What it costs in Commerce
A blower door test in Commerce typically runs $200-$400.
How we do it
We mount the calibrated fan in an exterior door, depressurize the building, and measure the airflow through every leak.
Thermal Imaging Inspection
Signs you need it
You want to see exactly where heat enters through walls, ceilings, and duct runs.
What it costs in Commerce
A thermal imaging inspection in Commerce typically runs $250-$500.
How we do it
We scan the building with an infrared camera and mark every hot or cold spot that indicates missing insulation or air leakage.
What Home Energy Audit Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Blower door test | $200-$400 |
| Thermal imaging inspection | $250-$500 |
| Full audit with report | $400-$900 |
Is an energy audit worth it before insulating in Commerce?
Almost always. In a city with this much heat load and homes this old, an audit prevents paying for insulation that misses the real leaks. It pays for itself.
What does a full energy audit include?
Blower door testing, thermal imaging, insulation inspection, duct leakage testing, and a written priority list. Call (213) 527-4062 to schedule one.
Brands We Service in Commerce
We install and service insulation from Owens Corning, Johns Manville, Knauf, Rockwool, and other trusted manufacturers. Parts and materials are stocked locally, so most Commerce jobs start within days. See our brands for the full list.
Pricing for Insulation in Commerce, CA
| Service | Typical range in Commerce |
|---|---|
| Open-cell spray foam | $1.50-$3 per board foot |
| Closed-cell spray foam | $2.50-$5 per board foot |
| Blown-in fiberglass | $1-$2 per square foot |
| Blown-in cellulose | $1.50-$2.50 per square foot |
| Attic radiant barrier | $0.80-$1.50 per square foot |
| Attic insulation removal | $1.50-$2.50 per square foot |
| Top plate & penetration sealing | $2-$4 per linear foot |
| Drill & fill wall insulation | $2.50-$4 per square foot |
| Attic cleanout | $500-$1,500 |
| Blower door test | $200-$400 |
What pushes price up in Commerce is access and contamination. Steep roof pitches, very tight attics, heavy rodent damage, or deeply buried junction boxes all add labor. You’ll never get a vague number from us: upfront pricing on every job, and a free second opinion on any written estimate from another contractor.
Neighborhoods We Serve in Commerce
We cover all of Commerce, including the residential pockets tucked between the industrial corridors. Response time is typically same-day for attic inspections and next-day for full crews.
- Bandini
- Commerce Industrial District
- Rosewood Park
- Veterans Park area
- Washington Boulevard corridor
Service Area - Cities Near Commerce
While this page focuses on Commerce, our crews also handle insulation work in nearby communities across the region. We serve West Hollywood, CA, Beverly Hills, CA, Culver City, CA, and Calabasas, CA with the same live-answer phone line and Done Right Promise.
Serving Commerce, CA - Our Local Coverage Area
We’re based in the Commerce 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 in Commerce
Same-day for inspections in most cases, and full crews within one to three days. Calls are answered by a live person 24/7, not a voicemail, so you’ll know exactly when we’re coming. Call (213) 527-4062.
Most insulation and air sealing jobs on existing homes don’t need a permit. Certain commercial roof-deck retrofits may. We handle that determination for you and coordinate any required paperwork.
Both. Commercial and industrial work is actually the biggest share of insulation demand in Commerce, from cold-storage units to tilt-up warehouses. We bid both sectors with the same upfront pricing.
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 Commerce Customers Say
"Crawl space was wet every spring. They laid the heavy liner, sealed the vents, and put a dehumidifier down there. Floors are warm and the moisture meter he left reads fine now. He still answers when I text him a reading."
- Devon Pierce"Spray foam in the garage ceiling under the bonus room. That room used to be unusable in summer. Walt talked me out of foaming the whole attic because it did not need it - saved me a couple thousand and I trust him more for it."
- Bud Larkin"The house had rats in the attic insulation and a smell we could not place. Walt's crew pulled all of it, sealed the gaps where they were getting in, sanitized, and put in new blown-in. He sent photos of the sealed openings so I could see it done."
- Rosa Delgado