Reliable Montebello Insulation ServicesReliable Montebello Insulation Services(213) 491-1019
Reliable Montebello Insulation Services
(213) 491-1019Get an estimate

Dependable insulation contractor in Montebello CA - a cooler upstairs and fewer drafts

Reliable Montebello Insulation Services puts in attic insulation for homes in Montebello and the cities around it, including Pico Rivera and Monterey Park. We also insulate crawl spaces under cold floors and fill the walls of older houses.

Tell us about your project(213) 491-1019
We look first
We get into the attic before writing any estimate.
Fixes come first
Leaks and open gaps get handled before new insulation.
Straight answers
We'll tell you when a job isn't worth doing.
We stop if unsafe
If old insulation looks risky to disturb, we stop.
A masked worker sprays foam insulation between the exposed rafters of an attic.
  • Licensed and fully insured.
  • Free quotes on site.
  • We reply within 1 business day.

Insulation contractor services in Montebello, CA

Reliable Montebello Insulation Services is an insulation contractor in Montebello, CA, and we handle 16 kinds of insulation work, from topping up an attic to sealing a crawl space. Most calls start with a hot upstairs, a drafty room over the garage or a power bill that keeps climbing. The price moves with how much space there is to cover, how many inches are already up there, whether old material has to come out first and which material fits the space. The schedule turns on how easy the space is to reach and whether the job needs a permit. Your free on-site estimate puts all of it in writing.

  • Spray foam insulation

    Spray foam goes on as a liquid, swells to fill the cavity and hardens in place, so it seals air and insulates in one pass. We use it in walls, rooflines and tight spots where loose fill won't stay put.

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  • Attic insulation

    Hot upstairs all summer? Usually the attic is thin or uneven, and we bring it up to an even depth from the middle out to the eaves without burying the vents.

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  • Blown-in insulation

    Blown-in is loose fill blown through a hose, and it's how we top up most attics. It settles into corners and around framing where rolled batts leave gaps.

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  • Home insulation

    Not sure where to start? We go through the attic, walls and crawl space and tell you which one is worth doing first, and which can wait.

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  • Insulation removal

    When old insulation is past saving, we take it out, bag it and clean the space. That way the new layer starts fresh instead of sitting on top of the old problem.

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  • Crawl space insulation

    Cold floors usually trace back to an open crawl space underneath. We insulate under the floor so the rooms above stop pulling cold up from below.

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  • Wall insulation

    We insulate walls in new framing and in finished rooms. In a closed wall we fill through small holes and patch them, so you keep your drywall.

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  • Air sealing services

    Air sealing means closing the gaps before any insulation goes in. We go through the house around pipes, outlets, doors and the edge of the floor, so drafts stop finding their way in.

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  • Basement insulation

    For homes and buildings with a basement, we insulate the walls and the framing that sits on top of them. The space below gets easier to keep warm and dry.

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  • Closed-cell foam insulation

    Closed-cell foam is a dense foam that also blocks moisture. That makes it our pick for damp spots and thin spaces where you need a lot of insulation in a few inches.

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  • Open-cell foam insulation

    What's open-cell foam for? It's a softer, lighter foam that fills odd-shaped cavities and quiets sound, and it costs less than closed-cell where moisture isn't a concern.

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  • Commercial insulation

    Business owners and property managers call us for offices, shops and rental units. We look at the space first, the same as a house, and plan the work around your tenants and staff.

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  • Crawl space vapor barrier

    A crawl space vapor barrier is heavy plastic laid over the dirt under your house, so ground moisture stays out of the floor framing. We lap and seal the seams so it stays put.

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  • Vapor barrier installation

    We put vapor barriers in walls, ceilings and floors to keep moisture from moving into the framing. Placement matters, because a barrier on the wrong side can trap water instead of stopping it.

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  • Attic air sealing

    We seal the attic floor at the hatch, the can lights, the wire holes and the plumbing runs, so air from the rooms below stops leaking up. It's the step that makes attic insulation pay off.

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  • Retrofit insulation

    Retrofit insulation is for older houses built with little or none. We add it to walls, attics and floors that are already closed up, tearing out only as much as the house needs.

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Insulation work, up close

These photos show insulation work in general, from blown-in attics to foam in walls and plastic laid over crawl space dirt. They give you a feel for what an even, well-sealed job looks like.

A gray dehumidifier stands on a plastic vapor barrier beneath exposed wooden beams in a crawl space.
A worker in white protective clothing and a respirator uses a hose to remove loose attic insulation.
An attic floor is covered with loose gray insulation beneath exposed wooden roof trusses.
Thick white blown-in insulation covers the floor beneath the wooden rafters of an attic.

Why people in Montebello hire us for insulation

Most of the insulation trouble we get called about comes from work done in the wrong order, or laid over something that should have been fixed first. Here's how we handle that, and what else people ask about.

We look at the space before anything else

Before we talk material or price, someone climbs into the attic or crawls under the house and looks. If there's a roof leak, a soaked patch or droppings in the old insulation, that gets fixed or cleared first, because new insulation laid over it just hides the problem. I'd rather you hear about it now than find a stain on the ceiling later.

Then we seal the gaps around can lights, pipes and the hatch, keep the vents along the eaves clear so the attic can still breathe, and bring the edges up as deep as the middle. That order is what lets new insulation do its job. If a room runs hot or the floors stay cold, tell us what's going on and we'll come look.

  • Straight talk, even when it's no

    You hear what we see from someone who learned this work by hand. If your attic already has plenty up there, or the job should wait until the roof is fixed, we'll say so. I'd rather lose a sale than sell you work that isn't worth the money.

  • We stop if old insulation looks unsafe

    Some older material shouldn't be stirred up by an insulation crew. If we find insulation like that, we stop, tell you plainly what we saw and point you to the kind of company that handles it, so you're not left guessing about the next step.

  • Permit checks before we start

    Before any work begins, we check with the building office that covers your address, whether that's the city or the county. If your job needs a permit, we pull it and set up the inspections, so the paperwork side doesn't land on you.

  • Foam only where it pays

    Foam costs more, and it seals air while it insulates. In most attics, sealing the gaps and topping up with blown-in does the job for less, so that's what we usually suggest. When your ductwork runs through the attic, foam starts to earn its price.

What happens after you call us

Every job runs through the same four steps, from your first call to the walk-through at the end. You see in writing what we'd do and why before anything starts.

  1. Call or send the form

    Call (213) 491-1019 any day between 7 AM and 10 PM, or send the form, and we reply within one business day. We set a time to come out and look at the space in person. The estimate is free, and there's no obligation to book.

  2. We look and write it up

    I or our lead installer goes into the attic, walls or crawl space and writes down anything that has to be fixed first. Then you get a written estimate that says what we'd do and in what order, so you can read it over and decide at your own pace.

  3. Our crew does the work

    Once the building office for your address has what it needs, our own crew does the job in the order the estimate lays out. Problems come first, then sealing, then insulation. If we find something new once the space is open, we stop and talk it over with you.

  4. We walk it with you

    When the work is done, we walk the job with you and show you what changed, the depth at the edges, the sealed gaps and the vents left open. Ask whatever you want while we're standing there, because that's the best time to see it for yourself.

Who we are and how we learned the work

I started out as a helper on a small insulation crew, hauling hose and crawling attics long before I ran a job of my own. I opened Reliable Montebello Insulation Services here in 2023 after learning the work from the bottom up. The owner or our lead installer still comes out to look, and our own crew does the work.

We're licensed and fully insured. Homeowners call us most, along with landlords, property managers and business owners, and they all get the same plain answer about what's worth fixing and what isn't. If you want to know more about who we are and how we run a job, read about us.

  • Phones answered Mon–Sun, 7 AM–10 PM, at (213) 491-1019.
  • Questions by email go to team@insulationmontebello.com, any day of the week.
  • Satisfaction guaranteed on the insulation and sealing our crew puts in.

Insulation work in Montebello and the cities around it

Reliable Montebello Insulation Services is based in Montebello, CA, and 12 of the cities we work in have their own page here, including East Los Angeles and Downey. If your city isn't on the list, call and ask.

Insulation questions we hear in Montebello

These are the questions people ask us most before an insulation job, from the estimate to who checks the work. If yours isn't here, ask when we come out to look.

How do I get a free insulation estimate in Montebello?

Call or send the form, and we'll come out, look at the space and give you a free written estimate. It lists what has to be fixed first, what comes out, what gets sealed and how deep the new insulation goes, so nothing is left vague.

Do I have to leave my house while insulation is installed?

For blown-in work you can usually stay home, as long as you keep clear of the attic hatch and the rooms right under it. Foam is different, because everyone, kids and pets included, stays out until the re-entry time the foam maker sets, the point when it's safe to come back. Before the crew arrives, clear a path to the hatch or crawl space door and move anything stored in the way.

Do I need a permit for insulation work in Montebello?

It depends on the job, so ask the City of Montebello Building and Safety Division, which issues building permits and asks that you check with it before starting any project. Every permit it issues comes with an inspection record listing what has to be inspected, and each item gets its inspection before the work is covered, which for insulation usually means before drywall goes over it. As we said above, we make that check for you before we start.

How long does attic insulation take?

It depends on the size of the attic, how easy it is to get into and whether old insulation has to come out first. A plain top-up goes faster than a job that starts with removal and sealing. We'll talk timing for your house when we come out to look.

How do I compare insulation estimates from different contractors?

Compare what each estimate says the crew will do, not just the bottom line. Look for removal of bad old material, sealing before insulating and clear vents, and ask for the contractor's state license. In California, a contractor needs a license from the Contractors State License Board when the job needs a building permit, uses employees, or totals $1,000 or more in labor and materials, and a bigger job can't be split up to stay under that.

Can new insulation go on top of my old attic insulation?

Usually yes, if the old insulation is dry, clean and just thin. If it's been soaked, packed down or filled with droppings, it should come out first, because fresh material on top leaves the problem in place. We'll tell you which one you have once we've been up there.

Tell us what's going on in your attic or crawl space

Send the form and we reply within one business day to set a time to come look at the space. The estimate is free and written out, with no pressure to book, or call (213) 491-1019 instead.

(213) 491-1019
(213) 491-1019Get an estimate