South Whittier Insulation and Spray FoamSouth Whittier Insulation and Spray Foam

Insulation contractor in South Whittier - attics sealed, then insulated

South Whittier Insulation and Spray Foam is an insulation contractor based in South Whittier. We seal and insulate attics, crawl spaces and walls, clear out old insulation, and install spray foam for homes and small businesses.

A worker in protective coveralls and a respirator sprays foam insulation onto a commercial ceiling, with plastic sheeting around the work area.

Insulation work on South Whittier houses

South Whittier isn't its own city. It's unincorporated County land, so County departments handle the services here, and County Public Works issues the building permits, with a Service Locator that shows which office covers your address. We're based here and do the same attic work next door in Norwalk and West Whittier-Los Nietos.

Most houses we get into here are single-story, with one attic over the whole place and a hatch in a hallway or closet ceiling. A lot of them still have the insulation they were built with, packed down and thin by now. Most calls start with a hot back bedroom, a room over the garage that never feels right, or a power bill that keeps climbing. The price moves with how many inches are already up there, whether the old stuff has to come out, how many gaps need sealing and whether you pick loose fill or foam. I write the estimate after I've been up in your attic, so you see what each part costs before we start. On a lot of these houses the old insulation sets the schedule, because a dirty attic gets cleared before anything new goes in.

  • Gaps sealed before new insulation

    We close the gaps where house air leaks up into the attic before anything new goes down, because insulation laid over a draft just lets the air keep moving.

  • Eave vents stay open

    When we add insulation, we keep the vents along the eaves clear so the attic keeps breathing and moisture doesn't end up soaking into the framing.

  • Problems fixed before we cover them

    If there's a roof leak or the old insulation looks bad, I'll tell you to fix it or have it tested first, because new insulation over a problem just hides it.

Insulation services for South Whittier homes

Spray foam insulation

We spray foam where the ducts run through the attic or the gaps are too tangled to seal by hand, so the air seal and the insulation go on together.

Attic insulation

We measure how many inches are already up there and bring the coverage up evenly, right out to the edges, instead of piling it deep in the middle.

Blown-in insulation

Blown-in is loose fill we feed through a hose, which suits the low, tight attics over a lot of single-story houses here where rolls are hard to lay.

Home insulation

When a few rooms never feel right, we look at the whole house, attic, walls and floors, and tell you which part is worth fixing first.

Insulation removal

We bag and haul out old insulation that's packed down, wet or full of droppings, then clean up so the new layer starts on a clean attic floor.

Crawl space insulation

Cold floors usually start below them, so we insulate the underside of the floor from the crawl space and close the openings where outside air comes in.

Wall insulation

Older walls are often empty inside. We fill them through small holes we patch afterward, so you get insulated rooms without tearing out the drywall.

Air sealing services

Drafty rooms usually trace back to gaps, so we close them around plumbing, wiring holes and the wall between the house and the garage.

Basement insulation

Where a house has a basement, we insulate the walls and rim with a material that handles damp concrete, so moisture doesn't get trapped behind it.

Closed-cell foam insulation

Closed-cell foam is dense foam that also blocks moisture, so it goes on rim joists, under floors and anywhere damp is part of the problem.

Open-cell foam insulation

Open-cell foam is softer and lighter, and it fills rooflines and wall cavities well where moisture isn't the worry. We'll tell you which foam fits your space.

Commercial insulation

For property managers and small business owners, we insulate offices, rental units and shop spaces and plan the work around your tenants and your hours.

Crawl space vapor barrier

A vapor barrier is a heavy sheet laid over the dirt in the crawl space, keeping ground moisture from rising into the floor and the insulation above.

Vapor barrier installation

We add vapor barriers in walls, floors and other spots where moisture would soak into insulation, and leave the vents open so the space can still dry out.

Attic air sealing

From up in the attic, we seal over can lights, pipe chases and wall tops, and around the hatch itself, before a single bag of new insulation goes down.

Retrofit insulation

Retrofit means adding insulation to a house that's already finished. We work through the attic, the crawl space or small wall holes, so nothing gets torn out.

Get a written insulation estimate for your house

Send the form and we'll get back to you within one business day to set a time. I come out, look at the attic and write the estimate, free and with no obligation.

  • You see every line first

    I go over what's coming out, what gets sealed and what goes down before we start, so you know exactly what you're paying for.

  • Our crew lead runs the job

    Once you say go, our crew lead runs the install and I check in on the work, so the job matches what I wrote up.

  • Licensed and fully insured

    We're licensed and fully insured, and the work is satisfaction guaranteed. We've been at it since 2013, and I learned the trade hauling bags up ladders on someone else's crew.

(562) 358-3003

Questions about insulation in South Whittier

Here's what South Whittier homeowners usually ask before they hire someone to work on an attic, a crawl space or the walls.

Who do I ask about a permit for insulation work in South Whittier?

The Public Works South Whittier District Office in Norwalk processes building permits for homes here, so that's where to ask. The County's list of work that needs no permit doesn't name insulation, so don't assume your job is exempt. Before we start, we check what that office asks for, and when a job needs a permit, we handle the paperwork and line up the inspections.

Can someone without a contractor license do a small insulation job in California?

Only if the whole job stays within the state's $1,000 limit for minor work, needs no permit, and the person has nobody working for them on it. The state licensing board raised that limit from $500 to $1,000. Past that line, you need a licensed contractor, and we're licensed and fully insured.

Is spray foam better than blown-in insulation for a South Whittier attic?

Usually not, unless your ductwork runs through the attic. Foam costs more, and it seals air while it insulates. For most attics here, sealing the gaps and topping up with blown-in does the job for less. If the ducts are up there, foam starts to make sense, and I'll tell you which way I'd go when I look at your attic.

Other cities where we do insulation work

We're based in South Whittier and take insulation jobs in the cities listed here and others around them. If you don't see yours, call and ask.

Have me take a look at your attic

I still answer the phone myself, so call (562) 358-3003 or send the form and tell me which room won't stay comfortable.

(562) 358-3003Request an estimate