Open-cell foam insulation in Lafayette IN - a roofline sealed against drafts
Hot upstairs rooms and a drafty room over the garage usually mean air is leaking through the roofline. Foam sprayed in place closes those gaps.
Is open-cell spray foam right for my Lafayette house?
Open-cell foam insulation is a soft foam we spray onto the underside of the roof, into open walls or onto rim joists in Lafayette homes. It swells into the gaps, so it blocks air and insulates in the same pass. Most of the planning happens before spray day, because the roof, the old insulation and the permit all come first.
Most people call me about a hot upstairs, a cold room over the garage or a power bill that climbs every winter, and open-cell isn't always the answer. If your attic is an open floor with no ductwork, air sealing, which means closing the gaps before insulating, plus a top-up of loose blown-in insulation usually does the job for less. Foam earns its higher cost when the ducts or furnace live up there. The price moves with the square footage, how thick the foam goes on, whether old insulation has to come out first and how hard the space is to reach. The schedule turns on the roof's condition, whether your address needs a permit and finding a day your family can be out of the house. When I come out, I walk the space with you and write out what I'd do and why.
How we install open-cell foam insulation
Before we foam a roofline, I look at the roof itself, because a leak or a worn-out roof should be handled first, even if that means you call a roofer before you call us. At the estimate I lay open-cell next to closed-cell so you can see what you gain and give up with each in your space. On the job we pull out any old insulation that's soaked or full of droppings, since spraying over it just buries the problem. Our crew masks off the space and sprays the foam all the way out to the eaves and into the corners, where crews tend to go thin, so the edges get the same depth as the middle. Once the foam is trimmed and the mess is cleaned up, I walk the job with you and check it over.
Foam on the rim joists helps a cold floor over the crawl space, but if the ground under the house is damp, a crawl space vapor barrier should go in first so moisture isn't working against the new insulation. Building owners who want their walls and roof looked at can read about our commercial insulation work, where the same prep comes before the foam on a bigger scale.
Foam on the underside of the roof
This suits houses where the ductwork, the furnace or a finished room sits in the attic, because the foam brings that space inside the part of the house you heat and cool. It's the bigger job, so it's the one where the roof check matters most.
Foam in walls and rim joists
This suits additions, remodels with the walls opened up and basements with drafty rim joists, because foam fills the odd-shaped gaps that batts leave behind. Open-cell stays soft, so it's easy to trim flush before the drywall goes up.
Open-cell foam insulation permits in Lafayette
Inside Lafayette city limits, the City Engineer's Office issues building permits, and the city requires one for alterations, repairs or changes to existing buildings. The City of Lafayette issues permits only inside its limits, and outside Lafayette and West Lafayette the Tippecanoe County Building Commission covers most of the county, so where your address falls decides who you deal with. Before we schedule, I look up which office covers your house, and if the job needs a permit, we handle the paperwork and tell you what the office needs from you. A Lafayette review of a residential permit can take up to seven days, counted from when every required document is in, so I build that into the start date.
Around Lafayette we see a lot of older houses with rooms over garages, knee walls and ductwork run through hot attics, which is where open-cell earns its place. We run into the same houses on jobs in West Lafayette and Monticello, and the roof and moisture checks go the same way there.
What open-cell foam looks like
Why call us for open-cell foam
I write every estimate myself
I come out, look at the space and write the estimate, then our install crew does the work and I check it over with you at the end. You talk to the same person from the first walk-through to the final look.
Foam experience from commercial jobs
I sprayed foam and blew fill on warehouses, offices and new buildings for years before I started this business in 2017. That's where I learned that the prep decides how well the foam works.
Licensed and insured for city work
We're licensed and insured. The City of Lafayette can call for insurance or a bond on work that needs a city permit, so it's worth asking any contractor about before you sign.
With foam, the order of the steps matters more than the foam itself, so the roof and the leaks come first. Book a walk-through and I'll show you where your house stands.
(765) 250-8263Get a written plan for open-cell foam in your house
I answer the phone myself, and we reply to every call and message within one business day to set a time to come out. I walk the space with you and write out what I'd do and why, and the estimate is free and comes with no obligation.
Open-cell foam questions from Lafayette homeowners
How much does open-cell spray foam insulation cost in Lafayette, IN?
Open-cell spray foam in Lafayette usually costs about $1,700 to $2,500 for 1,000 square feet sprayed 3 inches thick. That's the going rate in the area for that size and depth, not a quote from us, and your space may be bigger, smaller or need thicker foam. Your own figure comes from the walk-through, written out with what I'd do and why.
Should I choose open-cell or closed-cell spray foam for my house?
Open-cell is usually the better buy for a dry attic roofline or interior walls, and closed-cell earns its higher price where moisture is the worry. On R-value, the number for how well insulation slows heat, open-cell rates about R-3.6 per inch and closed-cell about R-6. Closed-cell also sets rigid and acts as a vapor retarder, which open-cell doesn't, and it costs more in Lafayette for the same coverage.
How long do we have to stay out of the house after spray foam insulation?
Plan on being out for at least 24 hours, which is the advice from federal consumer safety staff. The re-entry time, when it's safe to come back, varies with the product, the house and whether young children or older family members live there. Line up a place to stay before spray day, and we'll go over the product's guidance when we set the date.
Is spray foam insulation safe if someone in my family has asthma?
It may not be, so raise it before you book. Federal consumer safety staff say people with asthma, respiratory allergies, skin conditions or a past reaction to isocyanates, a chemical used in spray foam, should read the product information carefully and consider other insulation if needed. If that's your house, I'll talk through blown-in and other options instead.
What is the best way to insulate rim joists with open-cell foam?
Spray the foam right onto the rim joists, the wood band sitting on top of the foundation wall, because one pass seals the air leaks and insulates at the same time. Open-cell has to go on thicker than closed-cell before it counts as an air barrier there, so depth matters. We check thickness as we spray instead of eyeballing it at the end.
Does my attic still need moisture control after open-cell spray foam?
Yes. Once foam goes on the underside of the roof, the attic stops being vented and becomes part of the heated space, and an attic converted that way needs a way to remove moisture. Open-cell blocks air but lets vapor through, so I plan how the attic will handle moisture as part of the estimate, not after the foam is in.
Book a walk-through for foam and air sealing
Call (765) 250-8263 with the area to insulate, your roof's age and whether you're inside Lafayette city limits, so I can plan the walk-through.
