Closed-cell foam insulation in Gastonia NC - a dense layer that blocks air and moisture
Cold floors over the crawl space or a muggy room over the garage? We spray dense foam that seals the gaps and keeps moisture out.
Is closed-cell foam worth the extra cost for your Gastonia home?
Closed-cell foam insulation is a dense spray foam that hardens in place. In Gastonia homes, one layer slows heat, stops drafts and won't soak up water, which makes it worth the money in damp, tight spots like crawl spaces, rim joists and basement walls.
Most people who call about it have a cold floor, a drafty room over the garage or a crawl space they'd rather not look at, and the first question is whether you need closed-cell at all. It costs more per inch and gives you more per inch, so I'll tell you whether that's worth it for your spot, or whether attic air sealing and a top-up of loose fill does the job for less. Your price comes down to how much area we're covering, how thick the foam goes, how hard the space is to reach and what has to be fixed before we spray. The schedule depends on that same repair work and on picking a day your family can be out of the house. I've been doing this in lived-in houses since 2013, and the estimate gives you your own figure.
What happens after you call about closed-cell foam?
Call or send the form
Call (980) 745-0005 or send the form, and we'll set a time for me to come look. Tell us which spaces you want done so I know where to start.
I look and write the estimate
I come out myself, look at the attic, crawl space, walls or basement, and note what's in the way, like boxes, wet framing or old insulation that has to go. The estimate lays out what I'd do and in what order, including anything that needs fixing before foam goes on.
We fix first, then spray
If you go ahead, we handle any permit paperwork, fix what has to come first, then our own crew seals and sprays. Foam goes on best within a certain range of air and surface temperature and humidity, so we may ask you to adjust the heat or air ahead of time, or we'll move the date.
I check it, we clean up
I check the work before we pack up, and the crew hauls off the scraps and cleans up before you come home. Satisfaction guaranteed.
How we install closed-cell foam insulation
We start by clearing a path and covering what stays. Crawl spaces and attics rarely get tidied before we show up, which is fair, since nobody goes up there for fun. Next we pull out any insulation that's wet, moldy or full of droppings, because foam sprayed over a problem just seals it in. Then we fix leaks and let wet wood dry, and we spray the foam to the thickness in your estimate. We take as much care at the edges, corners and rim joists, the band of framing that sits on the foundation, as we do in the open middle, because thin edges are where drafts come back. Once it cures, we trim the high spots and clean up.
Closed-cell isn't the answer for every spot in the house. When a space stays dry and you'd rather spend less, I'll point you to open-cell foam insulation instead and tell you why. We also do the same careful work in shops, offices and other businesses through our commercial insulation service.
Get a closed-cell foam estimate for your Gastonia home
Send the form and we'll reply within one business day to set up a free on-site estimate. I come out, look at the spaces you want done and tell you what I'd do, with no obligation to go ahead.
Closed-cell foam questions from Gastonia homeowners
How much does closed-cell spray foam insulation cost in Gastonia?
Closed-cell spray foam in the Charlotte area usually costs about $1 to $1.50 per board foot, and a board foot is one square foot of foam an inch thick. That's the going rate around here, not our quote, and thickness moves your total as much as square footage does. I'll give you your own number at the estimate.
Is closed-cell or open-cell foam better for my home?
Closed-cell is better where you want the most insulation in a thin space or where moisture is a worry, and open-cell is better where you want to quiet a room for less money. Closed-cell slows heat about twice as well per inch, which is part of why it costs more, while open-cell blocks sound much better. Typical closed-cell is rated about R-6 per inch, R-value being how well insulation slows heat, and at its usual thickness it won't absorb water.
How long does spray foam take to cure before my family can come back inside?
Plan on a night away, because some foam makers recommend waiting 24 hours before people come back, though the wait can vary by product. Federal guidance says everyone living in the home should be out while the foam goes in and should come back once it has cured and the house has been aired out and cleaned. I'll tell you the wait for the foam we're using when we set the date, so you can line up the kids and pets.
How do I know if spray foam is safe for someone in my house with asthma?
Start with the product information, because federal guidance says people with asthma, respiratory allergies, skin conditions or an earlier sensitivity to isocyanates, the chemicals in spray foam that can set off a reaction, should read it carefully and may want to look at other options. Tell me at the estimate if that's anyone in your house. We'll go over the product sheet together, and if foam isn't a good fit, we'll talk about other ways to insulate.
Do I need a vapor barrier with closed-cell foam in my walls?
Federal building guidance for hot, humid climates says walls there need no added vapor retarder on the inside, because closed-cell foam at its usual thickness already acts as one. A vapor retarder is a layer that slows moisture moving through the wall, and two of them can trap moisture between them, so in those climates the foam is planned as the only one. I'll look at how your wall is built before we spray.
Who handles permits and licensing for insulation work in Gastonia?
We do. When a job needs a permit, we check which city and county offices cover your address and take care of the paperwork before work starts. In Gastonia, the city's zoning permit from the City of Gastonia comes first, and then Gaston County's building office issues the construction permit and handles inspections. We're licensed and insured, and the state's licensing board for general contractors says a general contractor's licence is required once a project's total cost reaches $40,000. We work on both sides of the state line, so we ask for your address early.
Other insulation work you might need
Open-cell foam insulation
If the space stays dry and you'd rather spend less, open-cell is the softer foam I'd look at next.
Commercial insulation
Running a shop, office or warehouse around Gastonia? We insulate commercial buildings too.
Call about closed-cell foam for your house
Call (980) 745-0005 or use the form, and have ready the spaces you want done, any health concerns at home and the days you can be away, so we can cover it all in the first visit.