Fast, Reliable Spray Foam Insulation Across Irvine
Spray foam insulation in Irvine typically costs $2,800 to $7,500 for a full attic encapsulation, with rim joist work running $900 to $2,200 and garage ceiling applications landing between $1,200 and $3,000. Most jobs in Irvine finish in one to two days, and we schedule within the week. We’re North Tustin Insulation, and we’ve spent years working inside Irvine’s tract homes, townhomes, and newer builds from Woodbridge to Portola Springs. Every estimate starts with the actual conditions in your attic, not a generic square-footage formula. Call (877) 265-5712 and we’ll walk your attic with you.

Why North Tustin Insulation Is Irvine’s Preferred Spray Foam Insulation Company
Irvine homeowners call us because we actually understand what’s above their ceilings. The stucco tract homes in Woodbridge and Deerfield, the tight-framed condos off Culver, the newer master-planned pockets in 92618 and 92620 – each one has different framing, different ventilation, and different failure points. We carry eight insulation brands across four material categories, so when we recommend Demilec closed-cell foam for your roof deck, it’s because that’s the right product for your home, not because it’s all we stock.
Our Spray Foam Insulation team works on insulation every day. Not roofing, not windows, not HVAC. That focus shows in the details: we know how Irvine HOAs review attic encapsulation projects, we know which 1970s tract homes still have R-11 batts, and we know where Santa Ana winds drive the most heat gain. Allen Decker has built this company around one thing – matching the correct insulation method to the home in front of us. When you call, you’re getting a straight recommendation, not a pitch for whatever happens to be loaded on the truck.
Spray Foam Insulation Contractors in Irvine
Spray foam insulation contractors in Irvine do two things: they air-seal the thermal envelope and they add R-value in a single application. When you hire us for this work, we remove failed fiberglass, seal the plumbing and electrical penetrations, and spray open- or closed-cell foam against the attic deck, rim joists, or garage ceiling. In Irvine, this job usually runs $2,800 to $5,800 for a standard attic deck and takes a full day with two crew members. The result is a sealed attic that stops conditioned air from escaping through top plates, can-light housings, and the dozens of small gaps that add up to real cooling loss.
Open-Cell and Closed-Cell Applications
We carry both Icynene and Demilec spray foam systems, which means you get a genuine recommendation between open-cell and closed-cell chemistry. Open-cell foam is what we lean on for interior soundproofing and airflow sealing on floors and interior walls. Closed-cell foam adds structural rigidity and acts as a vapor barrier, which is what Irvine attics need when summer sun pushes deck temperatures past 140°F.
Rim Joist and Garage Ceiling Work
The rim joist is one of the most overlooked air leaks in Irvine homes, and spraying it closed-cell seals the gap between framing and foundation where cooled air escapes. Garage ceiling foam is common in Irvine when a garage sits under a bedroom, because the floor assembly transmits heat and noise both ways. Most garage ceiling jobs run $1,200 to $3,000 depending on square footage and whether we’re working around existing storage, water heaters, or ductwork.
Spray Foam Attic Insulation in Irvine
Spray foam attic insulation in Irvine is the highest-impact upgrade most homeowners can make to their cooling bills, because Irvine’s problem is heat gain, not heat loss. A standard attic encapsulation here runs $3,200 to $7,500, with the higher end covering unconditioned attics in 1980s stucco homes where the deck needs air-sealing before foam is applied. We pull the old fiberglass batts, seal every penetration, then spray closed-cell foam across the deck and gable walls to create a conditioned attic space.
Woodbridge and Deerfield Tract Homes
Homes built in the 1970s and early 1980s in 92604 and 92614 often still have original R-11 to R-13 fiberglass batts that have settled, compressed, or been pulled back by electricians and never restored. The result is an attic that runs 30 to 40 degrees hotter than it should, sending heat straight down through the ceiling. When we spray foam these attics, the before-and-after temperature difference is immediate and measurable.
Newer Builds in 92618 and 92620
Irvine’s newer developments in Portola Springs, Stonegate, and the Great Park neighborhoods often have engineered wood framing and tight attic access that makes batt installation sloppy from day one. Builder-grade insulation in these homes is frequently thin over recessed lights and missing entirely at top plates. Spray foam closes those gaps in a way no fiberglass batt ever will, and the HOA submittal process often requires documenting the change to your attic assembly before work begins.

Trusted Brands We Service in Irvine
We install Icynene and Demilec spray foam systems, and we carry Owens Corning, Johns Manville, and GreenFiber for homes where a hybrid approach makes more sense. That’s not a sales list – it’s the difference between a contractor who pushes one product and a specialist who matches the material to your home. We stock replacement batts and foam equipment specifically sized for Irvine’s attic configurations, which means we don’t reschedule jobs because the right material wasn’t on hand. When a Woodbridge homeowner needs closed-cell foam on a 4:12 roof pitch, we’re ready that day.
Common Spray Foam Insulation Problems We See in Irvine Homes
- Builder-grade batts that were never right from the start. Many newer Irvine “green” builds used thin insulation over penetrations, and the recessed lights, bathroom fans, and wiring chases were never sealed. Foam sprayed without correcting those gaps just locks in the same air leaks and heat bridging – only now they’re hidden under foam.
- Santa Ana winds driving attic temperatures above 150°F. South- and west-facing roof slopes in Irvine soak up intense summer sun, and Santa Ana conditions push deck temperatures well past what fiberglass batts can stop. Foam applied over compressed batts without fixing ventilation can trap moisture and off-gas in Irvine’s mild, humid marine layer.
- Collapsed fiberglass around recessed lights in Woodbridge and Deerfield. Original R-11 batts in these 1970s and 80s tract homes have settled away from can-light housings, leaving open air channels from attic to living space. Every recessed light becomes a chimney for heat gain.
- Unsealed top plates in 1980s and 90s stucco homes. In ZIPs like 92604 and 92614, limited attic access and tight engineered framing mean many crews skip the foam-to-rim-joist detailing. Unsealed top plates leak cooled air all summer long, and the homeowner never sees it because the leak is inside the wall cavity.
Pricing for Spray Foam Insulation in Irvine, CA
A full attic spray foam encapsulation in Irvine typically runs $3,200 to $7,500. Rim joist sealing runs $900 to $2,200. Garage ceiling applications range from $1,200 to $3,000 depending on whether ductwork, storage, or water heaters complicate access. What moves the number: attic size, roof pitch, how much old fiberglass needs removal, whether you need open-cell or closed-cell chemistry, and whether your HOA requires architectural review documentation before work starts. We give you a line-item quote before any work, and estimates are free. Call (877) 265-5712 to get exact numbers for your home.
We Also Serve Cities Near Irvine
Our crews work throughout Irvine and in the surrounding cities of Tustin, Aliso Viejo, Santa Ana, and North Tustin. If you’re in a neighboring community and need spray foam work, we can usually schedule within the same week. The same eight-brand lineup and the same insulation-only focus apply everywhere we work.
Serving Irvine, CA — Our Local Coverage Area
We’re based in the Irvine 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 Irvine
In most Irvine tract neighborhoods, yes – you’ll need written HOA approval before attic-to-interior encapsulation can begin, because it changes the attic assembly. Woodbridge, Deerfield, and many newer villages in 92618 and 92620 require architectural review submittal. We’ll walk you through the paperwork and provide the details your HOA board asks for. Call (877) 265-5712 and we’ll help you start the process.
Newer Irvine homes were frequently built with value-engineered insulation – thin batts over recessed lights, missing coverage at top plates, and unsealed penetrations. Builder-grade work doesn’t last long when Santa Ana summers push attic temperatures past 150°F. A spray foam upgrade fixes what the original builder skipped.
Woodbridge, Deerfield, and the older stucco tracts in 92604 and 92614 see the biggest gains, because those homes still have R-11 to R-13 batts that have compressed over 30 to 40 years. Newer homes in 92618 and 92620 also benefit, especially where attic access is tight and builder-grade work was thin from the start.
Yes. Open-cell spray foam absorbs sound transmission, which makes a measurable difference for homes near the 405, Jamboree Road, or the train corridor through central Irvine. We’ve sprayed interior walls and garage ceilings specifically for acoustic separation, and homeowners report a noticeable drop in road and neighbor noise.
We install Icynene and Demilec spray foam systems, carrying both open-cell and closed-cell chemistry from each. For hybrid jobs where we combine spray foam with batts or blown-in material, we also work with Owens Corning, Johns Manville, and GreenFiber. Your recommendation is driven by your home’s needs, not by which brand we happen to stock.
Call North Tustin Insulation for Spray Foam in Irvine
If your Irvine attic is running hot, your cooling bills keep climbing, or your HOA is asking questions about an encapsulation project, call us at (877) 265-5712. We’ll schedule a free estimate, walk your attic, and give you a straight answer about whether spray foam is the right call for your home – and exactly what it will cost. Serving all Irvine ZIP codes including 92617, 92618, 92619, and 92620, plus Tustin, Aliso Viejo, Santa Ana, and North Tustin.
Written by Allen Decker, Owner at North Tustin Insulation, serving Irvine and Orange County.