Open-cell foam insulation in Clarksville TN - a tighter attic and fewer drafts
Hot upstairs rooms and drafts you can feel at the outlets usually start in the attic. Foam seals the gaps while it insulates.
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Is open-cell spray foam the right fix for my drafty house?
Open-cell foam insulation is a soft spray foam that expands into the gaps in your attic, walls or rim joists, so it stops drafts and insulates in one pass. We install it in Clarksville, TN and the cities around it, in the spots where it does that job well and moisture won't be a problem.
Most calls start with a room over the garage that's hot all summer, floors that stay cold in winter, or a power bill that keeps climbing in an older house. The price comes down to how much area gets foamed, how thick it has to go, whether old insulation has to come out first and how the foam gets covered afterward. The schedule turns on that same prep plus the time you'll be out of the house while the foam cures. That's why I look at your attic or crawl space in person before we talk numbers, and if moisture turns out to be the bigger issue, closed-cell foam may be the better pick.
How we install open-cell foam insulation
I start by looking at what's already up in the attic or down in the crawl space, because foam sprayed over soggy or mouse-filled insulation just seals the problem in, and the mice don't mind. Next we check the furnace and water heater vents and where your ducts run, since a tighter house only helps if everything can still vent right. Open cell is good at stopping drafts but it doesn't hold back moisture, so we put it where that's fine and talk you out of it where it isn't. Before we spray, I go over how any exposed foam gets covered and how each attic vent will be handled, and then our crew masks off the area, sprays to the thickness that spot needs, trims it and cleans up.
Foam is often one piece of a bigger fix. A damp crawl space usually needs a crawl space vapor barrier on the ground before anything goes on the framing above it, and for shops and metal buildings our commercial insulation work handles the bigger spaces.
Open-cell foam insulation jobs in Clarksville
Who you ask about a permit depends on where your house sits. Inside city limits, that's Clarksville's Building & Codes Department, and the Montgomery County Building and Codes Department issues permits only for the areas outside any city. Whether a foam job by itself needs a permit is a question for that office, so before work starts we find out which one your address falls under and what it wants. When a permit is needed for our part of the job we take care of it, and if part of the work belongs to another trade, like moving a furnace vent, we tell you so.
A lot of what we see here is older houses with a few inches of settled insulation and a room over the garage that runs hot, plus newer houses with ductwork in the attic. We get the same calls in Oak Grove, KY and Pleasant View, and the answer starts the same way.
Spray foam work up close
Get an open-cell foam estimate for your attic or crawl space
We reply to every call and message within one business day. Then I set a time to come out, look at what's already up there and tell you what I found and what it'll take. The estimate is free and done on site, with no obligation.
(931) 272-0044Open-cell foam questions from Clarksville homeowners
What is the best way to choose between open-cell and closed-cell spray foam?
Choose by how much insulation each inch has to give and how much moisture the space has to keep out. National guidance rates open-cell at about R-3.6 per inch on R-value, the measure of how well insulation slows heat, and closed-cell at R-6 per inch, rigid and acting as a vapor retarder at typical thickness, while open-cell doesn't stop vapor. Open-cell is the more common choice in the South, and I'll tell you which one fits each spot once I've seen it.
How much does open-cell spray foam insulation cost in Clarksville?
There's no honest single number, because the price depends on how much area gets foamed and how thick it has to go. Old insulation that has to come out, the covering for exposed foam and sealing off attic vents all add to it, while a small area like the rim joists keeps it down. I give you your figure after seeing the job in person.
Can spray foam on my attic roof deck lower my energy use?
It can when your ducts run through the attic, where research found foaming the underside of the roof deck could save up to 10% of the energy used to heat and cool the house. The same research found that a sealed attic in hotter, more humid climates could make the house more humid, and controlling that humidity could cut into the savings. So we look at where your ducts and furnace sit before recommending it.
How long does spray foam take to cure before my family and pets can go back inside?
You come back once the foam has cured and the house has been aired out and cleaned, and some foam makers recommend 24 hours for professional systems. That wait can vary by product, so plan to be out of the house, and we'll tell you the time for the foam we're using.
Does spray foam in the attic need to be covered?
Usually yes, because most spray foams need a fire-retardant coating when they're left exposed in an attic. Federal guidance for basements says spray foam there has to be covered with ignition-barrier paint or drywall, so the covering should be part of the job and the price from the start.
Who is allowed to do insulation work in Clarksville, TN?
Under state law, as the City of Clarksville explains, any project worth $25,000 or more has to be done by a contractor licensed by the State of Tennessee. The city also requires contractors working inside the city to register with it, so it's fair to ask any crew about both.
Book an open-cell foam estimate in Clarksville
Call (931) 272-0044 any day from 7 AM to 11 PM, and tell us which rooms run hot or drafty so I know where to start looking.