Closed-cell foam insulation in Compton CA - one layer that stops heat and damp
Room over the garage running hot, or a crawl space that stays damp? We spray dense foam that slows heat and keeps moisture out.
Is closed-cell foam worth the extra cost for my house?
Closed-cell foam insulation is a dense spray foam that slows heat and blocks moisture in the same layer. We spray it in Compton homes on roof decks, crawl spaces and walls where one layer has to do both jobs.
Most people call us because the upstairs cooks every afternoon, the power bill keeps climbing, or there's damp under the house that won't go away. Closed-cell isn't the cheapest fix, so the first thing I figure out is whether your spot really needs a layer that handles heat and damp together. The price moves with how many square feet we cover, how thick the foam goes, how easy the space is to get into, and whether old, wet or dirty insulation has to come out first through insulation removal. The schedule turns on that prep and on the stretch your family has to be out of the house while the foam goes on. I come out, look at the space, and go over what I found with you before you decide anything.
How we install closed-cell foam insulation
Before anything gets sprayed, safety problems and repairs like a roof leak, a bad wire or signs of rats get sorted, because foam over a leak just hides it. Our crew pulls out old insulation that's soaked or full of droppings, since foam sprayed over a mess seals the problem in with it. Then we cover everything that has to stay clean, spray the foam onto the roof deck, wall or floor in passes, and keep the thickness even out to the edges, where jobs tend to come up thin. The foam fills the gaps around pipes, wires and the hatch as it goes on, so your new insulation isn't fighting a draft.
Closed-cell costs more than the other options, so we use it where one layer has to stop heat and damp together. If open-cell foam insulation or blown fill will do the job for less, I'll tell you, and in an attic with no ductwork, sealing the gaps and topping up loose fill usually wins. We spray the same foam in shops, offices and rental buildings, and our commercial insulation work covers those jobs.
Under the roof deck
This suits houses where the ducts and AC run through the attic, because foam on the underside of the roof brings the attic inside the part of the house you're cooling. The ducts then sit in milder air instead of an oven, which is usually where closed-cell earns its higher price.
Crawl spaces and damp walls
This suits cold floors or a crawl space that stays damp, because closed-cell keeps moisture vapor back while it insulates. It's also a good pick for rim joists and tight spots where there's no room for a thick layer of something else.
Permits and houses for closed-cell foam insulation in Compton
I'll tell you at the estimate whether your job needs a permit, and if it does, we handle the paperwork with the city or county office for you. Compton takes permit applications through the city's online permit portal, and every one requires a current city business license, so whoever applies has to be set up to do business in Compton. California's Energy Code also sets efficiency rules for work on existing houses, not only new construction, so changes to an older home can fall under the state's rules too.
A lot of the houses we get into around here are older, built close together, with the ducts and AC running through the attic and a few inches of old fill that's settled or been torn up by critters. When the ducts live up there, foam under the roof deck is often worth the money, and close neighbors give you one more reason, because federal building guidance says attics with no vents are far more fire safe where buildings sit close, since embers can't drift in through vents. We see the same tight lots and attic setups on jobs in Lynwood and Paramount. We're based in Compton and work in the cities around it, plus the nearby unincorporated areas the county looks after.
What closed-cell foam looks like
Why call us for closed-cell foam
I write your estimate myself
I come out to look at the job and write the estimate myself, and our trained crew does the install. I check the work before we call it finished, so the person who looked at your attic is the one who signs off on it.
In business since 2013
I got into this trade in my late thirties after years of driving a delivery truck, learning on a crew that did attics and crawl spaces. We're best known for sealing and insulating done in the right order, and I keep my answers plain because most callers just want to know what to do next.
Licensed and fully insured
We're licensed and fully insured, which matters when a crew is running spray equipment in your attic. Before you hire anyone for foam, you can look them up with California's contractor licensing board.
If you've got a hot room or a damp crawl space and you're not sure foam is the answer, call (562) 232-8636 or send us a few details with the area you want insulated and its rough square footage.
(562) 232-8636Get a closed-cell foam estimate for your house
We reply within one business day to set up a visit, and then I come out and look at the space myself. The estimate is free, done on site, and comes with no pressure and no obligation.
Closed-cell foam questions from Compton homeowners
What is the best way to choose between closed-cell and open-cell spray foam?
Choose by what the spot has to handle, because closed-cell foam slows heat and holds back moisture vapor in one layer, while open-cell lets vapor through and only slows heat. Typical closed-cell is rated about R-6 an inch, R-value being how well insulation slows heat, so it does a lot in a thin layer. It also costs more to install, mostly because the job uses more material.
How much does closed-cell spray foam insulation cost near Compton, CA?
Closed-cell spray foam in the Los Angeles area usually costs about $1 to $1.60 per board foot, which is the going market price, not a quote from us. A board foot counts area and thickness together, so 1,000 square feet sprayed 3 inches thick is 3,000 board feet. Your own figure depends on those two things plus the prep, and I'll work it out when I see the space.
How long do we have to stay out of the house after spray foam?
Plan to be out while the foam goes on and for a while after. EPA guidance says the people living there and other trade workers should leave during spraying, since exposure to the chemicals can cause breathing problems and skin and eye irritation. Some foam makers recommend 24 hours after a professional high-pressure job before you return, though it varies, so ask for your product's re-entry time, when it's safe to come home.
Who can install closed-cell spray foam insulation in California?
A licensed contractor, because the state's license board counts anyone who installs insulation for heat or sound control as an insulation contractor. Even a job under $1,000 needs a licensed contractor when it needs a permit of any kind or the worker hires helpers. Ask whoever bids your job for their license so you can look it up.
Does closed-cell spray foam need to be covered with drywall or a coating?
It can, depending on the foam and the code, because some spray foam needs a covering such as a coating or gypsum board over it. It's a fair question to ask about your job, and I'll go over it at the estimate visit once I know where the foam is going and whether a permit is involved.
How do I get ready for a spray foam insulation job at my house?
Clear a path to the attic hatch or crawl space door, and move anything stored up there or right below the opening. Then settle where everyone, kids and pets included, will stay until the re-entry time passes, and let us know about any other work going on in the house so we can plan around it.
Find out if closed-cell foam fits your house
Call (562) 232-8636 before or after work, since we're open 6 AM to 11 PM weekdays and 8 AM to 9 PM weekends.
