Closed-cell foam insulation in Fayetteville AR - a dense seal that holds moisture back
Drafty rooms, cold floors or a wall too thin for much insulation? Closed-cell foam seals out air and holds back moisture in one layer.
Is closed-cell spray foam right for your Fayetteville home?
Closed-cell foam insulation is a dense, rigid spray foam that insulates and seals air. At its usual thickness it also works as a vapor retarder, a layer that lets almost no moisture through, so Fayetteville homeowners get a lot of insulation in a thin space that also holds moisture back.
Most people who call me about foam have a drafty room over the garage, cold floors over a crawl space or a wall too shallow for batts to do much, and they've heard foam is the fix. Sometimes it is, but foam covers whatever is already there, so leaks, wet spots and droppings get dealt with first, and old material often has to come out through insulation removal before we spray. The price turns on how much area we're covering, how thick the foam goes, how hard the spot is to reach and what prep comes first. The schedule turns on that prep and on the weather, because temperature and humidity change how the foam cures. Your own figure comes from the estimate, once I've looked at the space with you.
- Fully licensed and insured.
- Free quotes on site.
- Expect a reply within 1 business day.
What closed-cell foam looks like installed
How we install closed-cell foam insulation
I start by finding out why the room is drafty or the floor is cold, because foam sprayed over a roof leak or a wet sill just hides the problem. Once the cause is fixed, our crew clears the area, covers everything that shouldn't get foam, sprays the foam to the thickness the space calls for, trims what sticks out and cleans up. We use closed-cell where you want the most insulation in the least space and want moisture held back, like rim joists, the boards that cap the ends of your floor framing, a shallow wall or the underside of a floor over a crawl space.
It isn't the answer everywhere. When open-cell foam insulation would do the job for less money, I'll tell you plainly. Closed-cell goes in shops, offices and rental buildings too, and our commercial insulation work covers the landlords and property managers who call us for it.
Why Fayetteville homeowners call C&J Fayetteville Insulation Company for closed-cell foam
I look at every job myself
I come out to every job before we quote it, and our own installers do the spraying. The person who sized up your crawl space is the one answering for the work.
Started in 2023 to fix causes
I spent years doing upkeep for a property management company, chasing drafty rooms and damp floors back to the attic or crawl space, and I started this business in 2023 to fix those problems properly. That's why the leak gets fixed before the foam goes on, and why I'll tell you when a job isn't needed.
Fully licensed and insured
We're fully licensed and insured for the work we do in your house. Arkansas's home improvement license has a Limited class for residential jobs under $50,000, labor and material included, and an Unlimited class for any size, so on a large job it's fair to ask any installer which one they hold.
Fayetteville permit questions settled first
Before work starts I check with the city's building office about what your job needs. When a permit is called for, we take care of the paperwork and the inspections so you're not chasing the city yourself.
With foam, the order matters most, because once it's sprayed over a leak you won't see that leak again. Call (479) 485-4960 or send us a request and I'll come take a look.
Get a closed-cell foam estimate for your house
Send the form and we'll reply within one business day to set a time. I'll come out, look at the spots you want sealed and give you a free on-site estimate, with no obligation.
- Fully licensed and insured.
- Free quotes on site.
- Expect a reply within 1 business day.
What happens after you call about closed-cell foam?
Call or send a request
Tell us which spots you want insulated, like walls, rim joists or the floor over the crawl space. We'll set a time for me to come out.
I look at it with you
I go through the attic, crawl space or walls with you and look for leaks, wet spots and old insulation that has to come out first. The estimate tells you what we'd foam, whether open-cell would do instead, what prep comes first and what it costs.
Repairs first, then foam
If you go ahead, we fix whatever has to come first, then set the spray day for weather the foam can cure in. You'll be out of the house while we spray and for a while after, as the questions below explain.
We walk you through it
Once we've trimmed and cleaned up, I show you where the foam went and what we fixed along the way. You come back in after the waiting time has passed.
Closed-cell foam questions from Fayetteville homeowners
Is closed-cell or open-cell spray foam better for my house?
Closed-cell is better where you need a lot of insulation in a thin space and want moisture held back, and open-cell is better where you mainly want air sealed for less money. Typical closed-cell foam has an R-value, the measure of how well it slows heat, of R-6 per inch, while open-cell runs about 3.6 per inch and blocks air but not moisture vapor. I'll tell you on the estimate which one fits each spot.
How much does closed-cell foam insulation cost in Fayetteville?
Closed-cell foam costs more than open-cell foam for the same job, so expect the closed-cell number to be higher when you compare quotes. It expands less as it's sprayed, so it takes more material to fill the same space. The estimate puts a figure on your space.
Is closed-cell spray foam a good idea in wood-frame walls?
It can be, but at its usual thickness closed-cell foam keeps a frame wall from drying well toward the outside. That means any moisture that gets into the wall has a harder time leaving, so ask your installer how their plan handles moisture in those walls. I'll go over ours with you before we spray.
How long do we have to stay out of the house after spray foam insulation?
Plan to stay somewhere else while the foam is sprayed and for at least 24 hours after, kids and pets included, which is what consumer safety guidance tells homeowners. Talk through the safety steps with us before the day. If anyone in the house has a skin condition, asthma, respiratory allergies or a past reaction to isocyanates, a chemical used in spray foam, look over the product information carefully before choosing it.
What is the best way to insulate rim joists?
There are two common ways, either rigid foam board cut to fit and sealed at the edges, or spray foam that air-seals and insulates in one step. Rim joists are a common source of drafts into a crawl space or basement. Which way suits yours depends on how crowded the space is with pipes and wiring, and I'll tell you on the estimate.
Do I need a permit for spray foam insulation in Fayetteville?
Don't assume you can skip one, because the city's list of exempt work doesn't name insulation. Fayetteville's building official issues permits for altering or repairing a building, and the exempt list names work like painting, playground equipment and flooring. You can call Fayetteville Building Safety at 479-575-8238 and ask an inspector, and I check with the city on every job before we start.
Services that go with closed-cell foam
Open-cell foam insulation
It still stops drafts and costs less than closed-cell, so it's worth a look where holding back moisture isn't the goal.
Commercial insulation
For landlords, property managers and business owners who need a building insulated and a straight answer on what it actually needs.