Commercial insulation in Cerritos, CA - a building that holds its temperature
Top floor running hot and the power bill climbing? We insulate the roof and walls so tenants stay comfortable and the cooling isn't working overtime.

What does insulating a commercial building in Cerritos involve?
Commercial insulation in Cerritos means adding insulation to the exterior walls and roof of a business or rental building to slow heat and cut noise. On flat roofs it often goes in as an extra layer under a built-up or single-ply roof, the layered or one-sheet membranes most commercial roofs use.
Most property managers call us about a top floor that won't cool down, tenants complaining about the heat, or a roof that's coming up for replacement. I spent years as a heating and air tech before I started Caliber Cerritos Spray Foam Insulation in 2021, and I kept finding good equipment working hard under insulation that was thin, crushed or missing. We're based in Cerritos and work in cities across Los Angeles County and Orange County. California licenses insulation work as its own trade, and we're fully licensed and insured.
The price follows the size of the area we're insulating more than anything else, then the roof type, the framing and the shape the old material is in. The schedule turns on whether a reroof is coming, what the other trades on site are doing and what the city needs before we start. You get a written estimate that lists each step in the order we'd do it, with numbers that match the building you actually have.
- Exterior walls and roofs on offices, shops, warehouses, metal buildings and apartment buildings.
- An added roof insulation layer timed with your reroof, while the old roof is off.
- Leaks and air gaps fixed first, so the new insulation isn't fighting a draft.
What happens after you call us about your building?
I do the site visit and write the estimate myself, and our installers do the work. Here's how a commercial job usually runs, from your first call to the walk-through at the end.
Call or send a message
Tell us the building type, roughly how big the roof and walls are, and whether a reroof is planned. We get back to you and set a time for me to come out.
I walk the building and measure
I go through the roof space and walls, measure, take photos and note anything that has to be fixed before insulation goes in. You get a written estimate that lists each step in order, so you can see exactly what the price is built from.
Our installers do the work
They protect floors, stock and finished areas, then install in the order the estimate lays out. Cerritos allows construction from 7 a.m. to 6 p.m. on weekdays and 10 a.m. to 5 p.m. on Saturdays, with no Sunday or holiday work unless the city approves it in writing, so we plan the noisy days with your tenants in mind.
I check the finished job
I go over the work with you before we call it done and answer any questions about what went in where. Our work is satisfaction guaranteed.
Insulation work on roofs, walls and attics
These photos show the kind of insulation work our trade does, from foam on roof decks to batts between framing. They're general examples of the work, not pictures of a particular building or job.
A gloved hand sprays foam insulation from a hose-mounted gun onto a surface already covered in white foam.
An unfinished home interior with exposed wooden roof trusses and wall framing beneath the roof.
Exposed wooden roof framing and wall studs are coated with white spray foam insulation.
Crawl space floor and lower block walls are covered with a shiny white vapor barrier.
A worker in a blue hard hat stands among rolls of yellow fiberglass insulation in an attic lined with insulation batts.
A worker wearing protective gear uses a pink hose to blow insulation across an attic floor between wooden rafters.
Get a written estimate for insulating your building
Send your building type, rough roof and wall sizes and any reroof plans, and we'll reply within one business day to set up a free visit. I measure on site, then you get a written estimate with no obligation.
(562) 307-9067Questions about insulating a commercial building in Cerritos
These are the questions property managers and building owners around Cerritos ask most about this work. If yours isn't here, call (562) 307-9067 and ask me directly.
How much does commercial insulation cost in Cerritos, CA?
Insulation installation in the Los Angeles area usually costs about $2 to $7 per square foot, so the size of your roof and wall areas sets most of the total. Where your building lands in that range depends on the product, how easy the spaces are to reach and what has to be fixed first. I measure on site, and the written estimate shows each step so you can see what you're paying for.
Do I have to add insulation when I replace a commercial roof in California?
On a nonresidential building, yes, when the new roof meets the state Energy Code's roofing product rules. The state's energy manual says a roof that's replaced or recovered must have the altered area insulated to Energy Code levels, and the level depends on the climate zone the building sits in. That makes a planned reroof the time to budget for roof insulation.
How do I check that an insulation product is certified in California?
Look it up in the state Department of Consumer Affairs' Directory of Certified Insulation Materials, because builders in California may only install insulation the Department has certified. Ask your installer to show you the listing for the product before work starts.
What is the best way to use spray foam in a commercial building?
Plan for its covering from the start, because a national spray foam trade association says model building codes require spray foam to be covered by a thermal or ignition barrier, a fire-resistant layer, or to pass large-scale fire tests. Those covers give the people inside time to get out in a fire, so the covering belongs in the budget and the schedule.
What causes spray foam to be redone on a commercial job?
Foam put on before the surfaces are properly prepared, or before other trades finish their work, can need partial removal or reapplication, according to an industry article. That's why it's worth asking any installer how the foam work fits around everyone else on site.
Do metal-framed walls need extra insulation to meet code in California?
They may, because metal-framed walls with insulation only between the framing may need an unbroken layer added over the framing to meet the state Energy Code. Metal buildings also have fiberglass made for their walls and roofs, which can go in as an added layer when a metal roof is redone.
Commercial insulation in Cerritos and nearby cities
In Cerritos, the Building and Safety Division issues permits for renovations and new construction and now handles that review online, so before we set a start date we check with the city on what your job needs, and when it needs a permit we handle the paperwork and the inspection. We do the same work on offices, retail units and apartment buildings in Norwalk, Bellflower and the cities around them, where the call is usually a hot top floor or a roof that's due.
