Fast, Reliable Spray Foam Insulation Across Burbank
Spray foam insulation in Burbank runs $3.50 to $7.50 per square foot for closed-cell and $1.80 to $3.50 for open-cell, depending on the cavity depth and access. For a typical Burbank attic or rim joist job, homeowners pay between $2,200 and $6,800. Our crews work the Magnolia Park bungalows, the Rancho district stucco homes, and the ranch tracts near the 5, and we’ll have someone at your door within 48 hours. Call (866) 271-1602 for a same-week estimate.

Burbank insulation is not a one-size job. The pre-war framing, the airport flight paths, the 150°F attic summers. All of it changes what works. We’ll tell you honestly whether open-cell, closed-cell, or a hybrid makes sense for your specific walls, attic, or rim joists, and why.
Why Fontana Insulation Is Burbank’s Preferred Spray Foam Insulation Company
Burbank homeowners call us for a specific reason: we stock eight insulation brands and install all of them, which means nobody here is pushing a single product on you. If closed-cell Spray Foam Insulation in a Magnolia Park wall cavity is right, we’ll say so. If dense-pack cellulose behind resilient channel gets you better sound attenuation under the flight path for less money, we’ll say that instead. The material follows the problem, not our inventory.
Noel Arredondo leads the install teams, and he’s the one who trains them on Burbank-specific conditions: knob-and-tube cavities, low-pitch roof decks, the acoustic demands of homes sitting under the Hollywood Burbank Airport arrivals. When your rim joist gets foamed, the crew doing it understands what that assembly has to do in Burbank’s climate and noise environment. That local knowledge is the whole reason homeowners stick with us.
Every Burbank job gets a pre-install walkthrough, no charge. We check venting, look for active wiring, flag anything that would fail inspection, then give you a written number. Not a ballpark. A number.
Garage Spray Foam Insulation in Burbank
Garage Spray Foam Insulation in Burbank is one of the highest-use spec jobs we do, because detached garages and workshops here double as project rooms, home gyms, and guest spaces while sitting on a slab and facing the full San Fernando Valley sun. Closed-cell on the ceiling deck and gable walls drops garage temps 25 to 35 degrees, and the added STC rating helps when the garage shares a wall with the house. Burbank garage foam jobs typically run $1,800 to $4,500 depending on square footage and whether we’re doing walls, ceiling, or both.
Detached Garage Roof Decks
Burbank detached garages often have low-pitch or near-flat roofs, which means the vented-attic model doesn’t always apply. We foam directly to the underside of the deck, which turns the garage into a sealed, conditioned box and eliminates the hot-air sponge most garages become by 2 p.m. in August.
Shared Wall Garages and Noise
When a garage shares a wall with a bedroom or kitchen, closed-cell sprayed directly into that common cavity matters more than fiberglass batts ever can. Homeowners under the airport arrivals notice it immediately: the low-frequency rumble through the garage side drops, and the house feels quieter even when nothing’s landing.
Closed Cell Spray Foam Insulation in Burbank
Closed Cell Spray Foam Insulation in Burbank is what we spec whenever the job includes a rim joist, a low-pitch roof deck, or an acoustic seal, three conditions that show up constantly in this city. At R-6.5 to R-7 per inch, closed-cell gives you the air seal, the vapor barrier, and structural stiffening all in one pass. Burbank replacement or upgrade jobs run $4,000 to $9,500 for full rim joist and attic deck coverage in a 1,200 to 1,800 square foot home.
Rim Joist Sealing in Pre-War Framing
Burbank’s 1920s and 1930s bungalows sit on rim joists that were never air-sealed, and many have cavities opened for old knob-and-tube runs. Closed-cell in those band areas stops conditioned air from escaping through the floor-line gap and closes the largest single thermal and acoustic leak in those homes.
Low-Pitch Roof Assemblies
On a Rancho district Spanish stucco with a 2:12 roof, there’s no practical venting path. Closed-cell sprayed to the deck underside is the only way to get a durable air and moisture seal without opening the roof. We’d never put open-cell there; it would hold condensate at the deck line.

Trusted Brands We Service in Burbank
We stock Icynene and Demilec spray foam, plus Rockwool mineral wool, Knauf and CertainTeed fiberglass, and GreenFiber cellulose, because Burbank jobs demand more than one tool. Icynene closed-cell is what we reach for on sealed roof decks and rim joists under flight paths. Rockwool handles fire-rated party walls and sound targets. GreenFiber dense-pack fills the old wall cavities where spray foam isn’t the right call. Parts and material for all eight brands are on the truck when we arrive in Burbank, so the job doesn’t pause for a supply run.
Common Spray Foam Insulation Problems We See in Burbank Homes
- Foam over open knob-and-tube cavities. In Magnolia Park and the Rancho district, old wall cavities were gutted for wiring back when nobody air-sealed anything. Spraying foam over active knob-and-tube conductors traps heat against the wire insulation and can fail a Burbank inspection. We require a wiring check before any cavity gets foamed.
- Trapped roof-deck moisture on low-pitch Rancho bungalows. Flat and low-slope roofs leave nowhere for moisture to go. If closed-cell is applied without checking deck condition, condensate keeps rot hidden until it’s structural. We inspect decking before spraying.
- Off-ratio foam from late-morning attic spraying. Burbank attics pass 150°F by mid-morning in summer. Spraying onto a hot substrate can throw the foam’s chemical ratio off, and the material never cures properly. Our Burbank crews do attic work at first light for exactly this reason.
- Acoustic leaks nobody addressed. Under the Hollywood Burbank Airport arrival path, even a small gap at a rim joist or wall penetration lets low-frequency noise through. Sealing those penetrations with closed-cell is part of the job, not an add-on most Burbank homeowners realize they need.
Pricing for Spray Foam Insulation in Burbank, CA
Open-cell spray foam in Burbank runs $1.80 to $3.50 per square foot. Closed-cell runs $3.50 to $7.50. A typical garage ceiling job lands between $1,800 and $4,500. A full rim joist and band job on a 1930s bungalow falls between $2,500 and $5,800. A sealed attic deck for a 1,400 square foot ranch near the airport runs $4,200 to $7,900. The number moves with cavity depth, access, deck condition, and whether we’re doing acoustic sealing in the same pass.
Every Burbank estimate is written, itemized, and free. Call (866) 271-1602 and we’ll walk the property, check your wiring and venting, and give you a number to approve before anything gets sprayed.
We Also Serve Cities Near Burbank
We run crews into Universal City, North Hollywood, Glendale, and Studio City every week. If your property is anywhere near Burbank, from Magnolia Park to the Rancho district to the hills above the 5, we’ll put you on the schedule within 48 hours.
Serving Burbank, CA — Our Local Coverage Area
We’re based in the Burbank 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 Spray Foam Insulation in Burbank
Yes, but only closed-cell applied to the right places: rim joists, wall cavities, and penetrations. Airborne sound needs a gap to pass through, and closed-cell seals those gaps. The result is meaningful, often dramatic, not magic. A home with single-pane windows will still hear arrivals through the glass. Call (866) 271-1602 and we’ll assess what’s actually leaking noise in your specific house.
We can, but not over active wiring. Foam over live knob-and-tube conductors traps heat and fails Burbank electrical inspection, and it’s a fire hazard. We require a wiring evaluation before foaming those cavities. In many cases, the solution is dense-pack cellulose around the wiring with closed-cell only at the rim joists and penetrations. Schedule the free walkthrough and we’ll tell you exactly what applies to your wiring.
Yes, and it’s one of the jobs we do most in Burbank’s larger-lot neighborhoods near the airport and in the hills. Detached garages and workshops get closed-cell on the roof deck and gable end walls, which turns them into sealed, usable workspace year round. Typical Burbank detached garage foam jobs run $1,800 to $4,500. Call (866) 271-1602 for a garage-specific quote.
Closed-cell is safe and often the best available option for low-pitch roofs, but the deck has to be checked first. Moisture trapped in the deck before foaming keeps rotting silently. We inspect the deck, then spec closed-cell directly to the underside where venting isn’t practical. It’s not a standalone fix for a failing roof; it’s an insulation and air-sealing strategy that works when the roof itself is sound.
Attic temperatures in Burbank regularly pass 150°F by mid-morning from June through September. Spray foam applied to a hot substrate can cure off-ratio, and the foam never reaches full performance. So we schedule attic work in Burbank at first light, when the deck is cool enough for a proper cure and the crew can work safely. It’s one of the ways local knowledge changes the actual outcome of the install.
Ready to stop guessing which foam your Burbank home needs? Call (866) 271-1602 for a free, written estimate from our insulation team. We’ll check the wiring, the roof deck, the noise leaks, and the current insulation situation, then give you a number you can hold us to.
Written by Noel Arredondo, Owner at Fontana Insulation, serving Burbank and the San Fernando Valley.