Spray foam insulation in Lawndale, CA - fewer drafts and an upstairs you can sleep in
If the upstairs bakes all summer or the room over the garage never feels right, we seal and insulate it in one job.

- Fully licensed and insured.
- Free estimates at your property.
- We respond within 1 business day.
Is spray foam the right insulation for your Lawndale house?
Spray foam insulation in Lawndale, CA is sprayed onto attic rooflines, walls, floors and crawl spaces, where it expands into the gaps, so your house gets its air sealing and its insulation from one material in one job. Most families plan a stay elsewhere while it cures.
Most people who call Evergreen Lawndale Spray Foam Insulation have a hot upstairs, a drafty room over the garage or a power bill that climbs every summer, and they've heard foam is the fix. Sometimes it is, and sometimes it isn't. The price moves with how much area we're covering, how thick the foam goes on, whether you pick open-cell or closed-cell, how easy the space is to get into and whether old insulation has to come out first. The schedule turns on that same cleanup, the permit and when your family can be out of the house. We work across the South Bay from Lawndale, and your written estimate lays out each step in order for your house, so you can see where the price comes from.
How do you know your house could use spray foam?
Upstairs hot by afternoon
If the bedrooms upstairs are still warm at bedtime while downstairs feels fine, heat is usually coming through the roof and leaking in through gaps the old insulation never covered. The longer it goes, the harder your AC works to keep up, and the power bill shows it.
The room over the garage
A room over the garage that's hot in summer and has cold floors in winter usually has thin or gapped insulation in the floor and ceiling. Left alone, it stays the room nobody wants to use.
Ducts in a hot attic
When the furnace and ducts sit in the attic, the air they carry heats up before it reaches your rooms, and any leak at a joint dumps cooled air into the attic. Waiting means you keep paying to cool the attic along with the house.
What our spray foam insulation work includes
The first thing I ask is who lives in the house, because some people shouldn't be around spray foam and your family needs somewhere to stay while it cures. Then we go over open-cell or closed-cell based on what you want from it, quieter rooms or the most heat control in a shallow space. If there's water to fix or old, dirty insulation that has to come out, that happens before any foam goes on, because foam sprayed over a problem just hides it. On the day, our crew masks off the space, seals and sprays, and cleans up before we walk the job with you. I'd rather tell you a job isn't ready yet than do it twice.
Foam costs more than loose fill, and it seals air while it insulates. In an attic without ducts, sealing the gaps and topping up with blown-in insulation, loose fill blown through a hose, usually gets you there for less, and I'll say so at the estimate. We do regular attic insulation too, so nobody steers you to foam because it's the bigger ticket. When the ducts live up there, foam is the better call, and that's the first option below.
Foam under the roof deck
When your ducts or furnace sit in the attic, we spray the roof deck, the underside of the roof, so the attic becomes part of the sealed house and the ducts stop sitting in the heat. It's the biggest foam job, and it's the one where foam makes the most sense.
Foam in walls, floors and tight spots
For a room over the garage, a floor over a crawl space or a ceiling with shallow rafters, foam fills the space and seals gaps that loose fill can't reach. It suits a house where one area is the problem and the rest is fine.
Get a written spray foam estimate for your house
We reply within one business day to set a time, then I come out myself to look and measure. The estimate is free, done at your home, and there's no pressure to book.
(424) 528-1317- Based in
- Lawndale, CA 90260
- Hours
- Mon–Fri: 7 AM–9 PM, Sat–Sun: 6 AM–9 PM
What happens after you call about spray foam in Lawndale?
Here's how it goes from your side, from the first call or form to the day we walk through the finished job with you.
Call or send the form
Call (424) 528-1317 or send the form with a line about the room or attic that's bothering you. We'll get back to you and set a time for me to come out.
I come out and measure
I look at the attic, walls or crawl space myself, measure, and note anything that has to be dealt with first, like old wiring, damp spots or insulation that looks like vermiculite. If something needs checking before we disturb it, I'll tell you plainly instead of quoting around it.
Read your written estimate
You get a written estimate that lists each step in order, from any cleanup to the foam itself, so you can see what you're paying for and why. If foam isn't the best value for your house, I'll tell you that too.
We do the work together
If you go ahead, we sort out the permit, do the install while your family stays elsewhere, and wait until the foam has cured. When you're back, I walk through the finished job with you.
Why Lawndale homeowners call us for spray foam insulation
The owner measures and stays on site
I come out myself to look at the job, measure and write the estimate, and our crew does the install with me on site. The person who quoted your job is the one watching the foam go in.
Back in the trade since 2023
I spent years crawling attics and crawl spaces, did other work for a long stretch, then came back and started this business in Lawndale in 2023. Coming back meant reading the current guidance on foam, curing and safety closely instead of leaning on old habits.
Fully licensed and insured in California
We're fully licensed and insured. California requires a licensed contractor for any work that needs a permit, even a job under $1,000, so an unlicensed offer on insulation work isn't a shortcut.
If you're weighing foam for your attic or one room that won't stay comfortable, send us a few details or call (424) 528-1317.
Spray foam and attic work in Lawndale
The City of Lawndale issues building permits for installing, repairing or replacing insulation, so we plan on one for spray foam here. If you want to ask about permit rules or whether plans are needed first, the city's permit line for private property is (310) 973-3230. Before work starts, we check with the city or county office that covers your address, and when a permit is needed we take care of the paperwork and the inspection.
A lot of the houses we see around here have the furnace and ducts in the attic with little headroom, or a room over an attached garage that runs hot and cold, so many of our estimates come down to foam at the roof versus sealing and loose fill. We see the same setups on jobs in Torrance and Hawthorne. California's energy code also sets minimum efficiency requirements by climate zone, so what your job has to meet depends on the zone your house sits in, and we work to the one for your address.
Questions about spray foam insulation in Lawndale
How much does spray foam insulation cost in Lawndale?
Spray foam insulation in the Los Angeles area usually costs about $2,000 to $4,500 for a 1,000-square-foot area covered 3 inches thick. Open-cell foam tends to land toward the low end of that range and closed-cell toward the high end. That's the going rate in the area, not our quote, and your written estimate gives the figure for your house.
Does insulation work in Lawndale need a permit?
Plan on one, because the city issues building permits for installing, repairing or replacing insulation. We confirm it before work starts and handle the paperwork and inspection, and the city's permit line is in the Lawndale section above.
How long do we have to stay out of the house after spray foam?
Everyone in the house, and any other trades, should be out while the foam is sprayed and stay out until it has cured and the house has been aired out and cleaned. Some foam makers recommend 24 hours for professionally installed foam, but re-entry time, the point when you can come back in, varies with the product, its thickness, the temperature, the humidity and how it was sprayed. Ask us how long your chosen product needs, and set up a place to stay for the kids and pets too.
Is spray foam safe if someone in my family has asthma or allergies?
It may not be the right fit, so that person should look over the product information carefully before you decide. Anyone with a history of asthma, respiratory allergies, skin conditions or a past reaction to isocyanates, a chemical in spray foam, may want another kind of insulation. That's why household health comes up before anything else at our first visit.
Should I choose open-cell or closed-cell spray foam?
Choose closed-cell if you need the most insulation in a thin space, and open-cell if quieter rooms matter more to you. Closed-cell foam, the dense kind that blocks moisture, is about twice as energy efficient per inch, while open-cell is a much better sound barrier. We'll look at how deep the space is and what you're after before you pick.
What is the best way to insulate an older attic without soffit vents?
In an older house where adding vents at the soffits, the underside of the roof overhang, isn't practical, foam sprayed under the roof deck is often the practical choice. Foam seals the odd angles and gaps of an older roof well. I check the framing for damp spots first, because foam shouldn't go over a moisture problem.
Related insulation work for your attic
Attic insulation
If your upstairs runs hot but the ducts aren't in the attic, sealing the gaps and insulating the attic floor usually fixes it for less than foam.
Blown-in insulation
Loose fill spreads across uneven attic floors and tops up thin, settled insulation, a good match when the attic just needs more coverage at the edges.
Cities we cover for spray foam insulation
Evergreen Lawndale Spray Foam Insulation is based in Lawndale, CA and works across the South Bay and the cities around it. The 12 cities below have their own pages, including Gardena and Redondo Beach, and we work in others nearby too.
Lawndale, CA
Book a spray foam look at your house
Call (424) 528-1317 or use the form with the area you want done, whether ducts run through the attic, your goal of lower bills or quieter rooms, and anyone at home with health concerns, so the first visit starts with what matters.
