Insulation Contractor in Pasco, WA - Sealed attics and warmer crawl spaces
Reliable Kennewick Insulation Services is an insulation contractor working in Pasco, WA, on attics, walls and crawl spaces. We seal the gaps first, then insulate, so cold rooms and climbing power bills get dealt with at the cause.

- Fully licensed and insured.
- Free on-site estimates.
- Expect a reply within 1 business day.
Insulation work in Pasco houses
Pasco is a short drive from our base in Kennewick, and our calls here look a lot like the ones we get in Richland and West Richland. They come from older homes close to downtown, newer subdivisions toward the edges of the city, landlords with rentals, and a few shops and offices.
In the older houses we usually find a thin, settled layer in the attic, sometimes soaked at some point or full of droppings, and that has to come out before anything new goes in. Newer houses mostly have enough up there, but air leaks into it around can lights, pipes and a hatch that was never sealed. Which of those your house has is what moves the price and the schedule: how much old material comes out, how easy the attic or crawl space is to reach, whether we top up loose fill or spray foam, and whether the city wants a permit first. So the house itself sets the job, and I look at it in person before writing out what we'd do and why.
What we insulate in Pasco
Spray foam insulation
Spray foam seals air as it insulates, which helps in cathedral ceilings and odd framing where loose fill can't stay put.
Explore Spray foam insulationAttic insulation
A hot upstairs usually starts in the attic, so we measure what's already up there and check whether it's still dry and clean.
Explore Attic insulationBlown-in insulation
Blown-in fill, loose fiber blown through a hose, tops up thin older attics when the layer already up there is still dry and clean.
Explore Blown-in insulationHome insulation
For a whole Pasco house, I look at the attic, walls and crawl space together, so the money goes where the heat actually leaves.
Explore Home insulationInsulation removal
Insulation that's been soaked or full of droppings comes out first in older Pasco homes, so the problem doesn't stay under fresh material.
Explore Insulation removalCrawl space insulation
Cold floors over a crawl space are a common Pasco call, and we insulate under them clear to the back wall.
Explore Crawl space insulationWall insulation
Exterior walls in older Pasco houses are often empty or hold settled insulation, which we fill through small holes we patch afterward.
Explore Wall insulationAir sealing services
Drafty rooms in Pasco usually trace back to small gaps around pipes, wires and can lights, which we close before any insulation goes in.
Explore Air sealing servicesBasement insulation
Where a Pasco house has a basement, insulating its walls keeps a finished room down there from feeling like cold storage.
Explore Basement insulationClosed-cell foam insulation
Closed-cell foam, dense foam that blocks moisture, suits the room over the garage and crawl space walls, where there's little depth to work with.
Explore Closed-cell foam insulationOpen-cell foam insulation
Open-cell foam is lighter, and it fits rooflines and interior walls in Pasco homes where sound and air leaks matter more than moisture.
Explore Open-cell foam insulationCommercial insulation
Pasco shops, offices and rental buildings get the same gaps-first approach, scheduled around your hours so we stay out of tenants' and customers' way.
Explore Commercial insulationCrawl space vapor barrier
A torn ground sheet in a Pasco crawl space lets moisture reach the insulation, so we lay a new one out to every wall.
Explore Crawl space vapor barrierVapor barrier installation
When walls are open for a remodel or between renters, a vapor barrier behind the drywall keeps moisture out of the insulation and framing.
Explore Vapor barrier installationAttic air sealing
We seal the attic hatch, plumbing vents and can lights first, so the insulation on top isn't fighting air from the rooms below.
Explore Attic air sealingRetrofit insulation
If you're living in the house and don't want walls torn open, retrofit work adds insulation from the attic and crawl space first.
Explore Retrofit insulation
What Pasco houses ask of the work
I come out to each job myself and check the installers' work before we finish, from the far corners of the attic to the back wall of the crawl space, because those are the places nobody looks at again. We've done this work since 2013.
Problems named before we start
If the attic has wet insulation, droppings or framing that needs repair, I tell you plainly first, because new insulation laid over a problem just hides it.
Edges filled as deep as the middle
We fill the tight edges by the eaves as deep as the open middle, and keep the eave vents open so the attic can still breathe and dry.
Know the price before you agree
The written estimate lists what we'll remove, seal and add, and why each step is there, so you can compare it line by line before you decide.

Get a free on-site insulation estimate in Pasco
Tell us which rooms run cold or drafty and whether it's the attic, walls or crawl space, and we'll reply within one business day. I come out myself, the estimate is free, and there's no obligation.
Pasco insulation questions
Do I need a permit to insulate my attic in Pasco?
It may, and the city decides, because insulation isn't on Pasco's list of projects that skip a permit, which covers things like sheds, decks, fences and roof or siding replacement. The Pasco Building Division issues building permits, which most projects in the city need, and we check with them before work starts and take care of the permit when the job needs one. If we find framing that has to be replaced, that needs a permit too, and the state requires whoever does any electrical work to get a permit and have it inspected.
How long does a building permit take in Pasco, WA?
Residential permits in Pasco go through a 5 to 7 business day review at the city. Once it's issued, a permit is good for 180 days, and a project that runs longer needs an extension. When your job needs a permit, we plan the start date around that review so you know where things stand.
How do I know an insulation contractor is registered in Washington?
Look for a state registration number on the contractor's ads and bids, because Washington requires every construction contractor to register with the Department of Labor and Industries and to show that number when advertising or bidding. Registered contractors also have to be insured and carry a bond meant to protect the public, $15,000 for a specialty contractor and $30,000 for a general contractor, and on a home job of $1,000 or more they must give you the state's disclosure notice to customers. The City of Pasco separately requires a business license of any business working inside city limits.
How much does attic insulation cost in Pasco, WA?
The cost comes down to the size of the attic, how many inches are already up there, whether soaked or droppings-filled material has to come out first, and whether we're topping up loose fill or spraying foam. Removal and foam push the price up, and a clean attic that only needs sealing and a top-up keeps it down. I look at it in person and write out what we'd do and why, so you see the price before you agree to anything.
What is the best way to insulate an attic in Pasco?
For most Pasco attics, the best way is to seal the gaps around lights, pipes and the hatch, then top up with blown-in fill to an even depth. Spray foam costs more and seals air while it insulates, so I'd pick it when your ductwork runs through the attic, because sealing around the ducts is worth more there.
Do I have to leave my house while insulation is installed in Pasco?
With blown-in fill and air sealing you can usually stay home, though we keep kids and pets away from the hatch and the work area while we're up there. Spray foam is different, because the foam maker sets a re-entry time, how long before people can come back inside, and we tell you that time before the job is booked so you can plan around it. How long the crew is in your attic depends on its size and whether old material comes out first, and the estimate spells that out.
Not on the list? Call us anyway
If your city is on the list below, its page covers our work there. If it isn't, call (509) 396-5461, because we work in other cities around Kennewick too.




