Spray foam insulation
Spray foam insulation fits rooflines, the room over the garage and tight spots where loose fill won't stay put, because it seals air and insulates in one step.
Insulation Contractor in Durham, CA - Attics and Crawl Spaces Done in the Right Order
Professional Chico Spray Foam Insulation insulates attics, walls and crawl spaces in Durham, CA. We seal the gaps first, then add foam or blown-in insulation, so drafty rooms and hot upstairs bedrooms are easier to keep comfortable.
Professional Chico Spray Foam Insulation handles attic insulation, air sealing, crawl space work and spray foam for houses and shops in Durham, CA. We're an insulation contractor in Chico, CA, just up the road, and I come out to look at every Durham job myself before anyone puts a number on it.
Insulating Durham homes from the attic to the crawl space
Durham calls usually start the same way. It's a back bedroom that never warms up, cold floors over the crawl space, or a power bill that keeps climbing. A lot of the houses here are older, and some sit on bigger rural lots with a shop or a room over the garage added later. The insulation in those homes is often a patchwork of whatever each owner put in.
So I start by measuring how many inches are already in the attic and checking how the house was built, because the age of a house tells me what's likely hiding up there. Then I look under the floor. We do the same careful work in Chico and the cities around it, and the first visit always comes before the plan.
- Based in
- Chico, CA 95928
- Hours
- Mon–Sun: 8 AM–9 PM
Insulation services for Durham houses and shops
Attic insulation
For a hot upstairs, our attic insulation work seals the attic floor first. Then we bring the depth up evenly and keep the eave vents clear so the attic can still breathe.
Blown-in insulation
Blown-in insulation is loose fill blown through a hose, and it's usually the cheaper way to top up an older attic. We fill the edges as deep as the middle, since that's where heat slips out.
Home insulation
If you're not sure where the house is losing heat, our home insulation visit covers the attic, walls and crawl space. I tell you which part to fix first, so you aren't buying insulation everywhere.
Insulation removal
When old insulation is soaked, flattened or full of droppings, insulation removal comes first. Fresh material over a mess just keeps the mess.
Crawl space insulation
Cold floors usually point to the crawl space. Our crawl space insulation work checks for leaks and damage first, then insulates under the floor so it stays up.
Wall insulation
Drafty exterior walls in an older house can be filled with wall insulation, usually through small holes we patch afterward, once we've checked what's in the cavities now.
Air sealing services
Our air sealing services close the gaps before any insulation goes in, around doors, outlets, plumbing and the rim of the floor, so drafts stop where they start.
Basement insulation
If your house has a basement or a partly buried lower room, basement insulation on the walls and rim helps it hold heat. We check for water coming in first.
Closed-cell foam insulation
Closed-cell foam insulation is dense foam that also blocks moisture. It earns its cost on crawl space walls and rim joists, where you need insulation and a moisture barrier at once.
Open-cell foam insulation
Open-cell foam insulation is softer and lighter than closed-cell. It suits rooflines and interior walls when you want air sealing and quieter rooms without paying for density.
Commercial insulation
For shops, offices and farm buildings around Durham, our commercial insulation work covers metal and wood-framed buildings, planned around when you're open.
Crawl space vapor barrier
A torn or missing sheet on the crawl space floor lets ground moisture reach the framing. A new crawl space vapor barrier goes down overlapped and sealed at the edges.
Vapor barrier installation
Vapor barrier installation puts the barrier on the right side of the insulation, so it keeps moisture out of walls and framing instead of trapping it there.
Attic air sealing
If the upstairs feels dusty or drafty, attic air sealing closes the holes around can lights, pipes, wires and the hatch before we add a single inch.
Retrofit insulation
An older house with thin or uneven insulation usually needs retrofit insulation. We add to what's sound and replace what isn't, one area at a time.
Get a free on-site insulation estimate in Durham
We reply to calls and messages within one business day to set a time. I come out to your Durham house, look at the attic and crawl space, and write the estimate there. It's free, and there's no obligation.
(530) 399-1513Butte County permits and licenses for Durham jobs
Durham isn't a city of its own. It's an unincorporated community, so Butte County is the local government, and the county's Building Division issues building permits here. Whether your insulation job needs one is a question for that office. If it does, plan review and inspection add time to the schedule, and we handle the application and inspection for you.
The county doesn't issue business licenses for work in its unincorporated area, so there's no local license to ask a contractor for. Ask for their state contractor license instead, and check it with the Contractors State License Board. We're licensed and insured, and we work across Butte County, down to Oroville and beyond.
Your price moves with the size of the attic and how easy it is to reach, how many inches are already there, whether old material has to come out, how much sealing the gaps need, and foam versus loose fill. The schedule turns on removal, any permit, and other trades that need to go first. The estimate I write on site gives you the figure for your house.
Work done in order and checked before we leave
I grew up on a farm where you fixed things right the first time, learned insulation on other contractors' crews, and started this business in Chico in 2020. That's still how we work. If a roof leak, old wiring or a pest problem needs another trade first, I'd rather tell you and wait than insulate over it.
Foam costs more and seals air while it insulates, so I'll recommend it when your ductwork lives in the attic. Otherwise sealing the gaps and topping up the loose fill usually does the job for less. Our crew lead and installers do the work, and I check it before we're done. Satisfaction guaranteed on every job. Call (530) 399-1513 to set up a visit.
What shapes insulation work in Durham
Durham homes have their own habits, from older framing to bigger lots with outbuildings. Here's what we look for on jobs here and one county tool worth knowing about before we start.
Your parcel's permit history
Butte County's Interactive Maps page lets you search your property by street address or parcel number and see building permits on record. That's handy before an insulation job, because it can show when the room over the garage or an addition went in. That tells me how those spaces were likely built. Pull it up before the estimate, or we can look at it together.
Older houses, layered insulation
In older Durham houses we often find two or three layers from different decades, packed down in some spots and missing in others. I measure the inches in several places, not just by the hatch, so the plan matches what's really there. If I see old wiring in the attic, I'll ask you to have an electrician look before we cover it.
Rural lots and outbuildings
Some Durham properties have long driveways, a detached shop or a barn that someone wants to work in year-round. For blown-in work we park the blower truck as close to the house as we can and run the hose from there, so I note access at the estimate. Shops and outbuildings get their own plan, since they're often built differently from the house.
Crawl spaces under older floors
Cold floors are a common Durham call, and the answer is usually under the house. I check the crawl space entry, the ground cover, any old insulation hanging loose and signs of leaks or pests. If plumbing or framing needs repair first, I'll say so, because insulating over a wet or damaged floor just hides it.
Questions Durham homeowners ask about insulation
How much does attic insulation cost in Durham, CA?
The price comes down to your attic's size, how much insulation is already up there and what has to happen before new material goes in. Pulling out old insulation, sealing a lot of gaps or choosing foam over blown-in all raise it. A clean attic that only needs a top-up costs the least. I write your figure on site.
How long will the insulation crew be in my attic?
A clean attic that only needs sealing and a top-up is one of the shortest jobs we do. Removal, heavy sealing or foam take longer. I'll tell you how long we expect to be at your house when I write the estimate. If your job needs a permit, the county inspection also sets when the job is signed off.
Do we have to leave the house during spray foam insulation?
For spray foam, plan on being out until the re-entry time the foam maker sets, which is when it's safe to come back inside. We go by that instruction and tell you the time before the day, so you can plan for the kids and pets. With blown-in insulation you can usually stay home if everyone keeps out of the work area.
How do I get my house ready for an insulation job?
Clear a path to the attic hatch and the crawl space entry, and move anything stored in the attic that you want to keep. Put pets somewhere away from the work. If you've noticed a leak, a smell or a wiring worry, tell me at the estimate, because those get sorted before we insulate.
Which building codes apply to an insulation permit in Durham?
Permit applications Butte County reviews now fall under the 2025 Building Standards Codes, because the previous code cycle ended at the close of 2025. If your job needs a permit, we prepare the application under those codes. You can follow its status and request inspections in the county's online permit system, and the Building Division takes calls at 530.552.3699.
Tell us about your Durham house today
We take calls seven days a week from 8 AM to 9 PM, so call (530) 399-1513 or send us the form and mention when the house was built, because that tells me what to bring.