Closed-cell foam insulation in Hollister CA - sealed and dry where it counts
Damp crawl space or a tight spot with no room for thick insulation? We'll tell you straight whether closed-cell foam is the fix.
I come out and look myself
When you call, I'm the one who climbs into the attic, crawl space or walls to see what's there. Our crew does the install, and I check the work before we call it done.
Finding the gaps since 2017
I started this business in Hollister in 2017, and we work here and in the cities around it. We're best known for the unglamorous part, finding leaks and problems before any foam goes on, so nothing bad gets sealed in.
A straight answer, even if it's no
We're fully licensed and insured. Satisfaction guaranteed on every job. I'd rather tell you foam isn't worth it than sell it to you, so call (831) 245-4007 and ask.
When closed-cell foam is worth it
Closed-cell foam insulation is a dense, rigid foam we spray onto walls, rafters or crawl space framing, where it seals air leaks and insulates in the same coat. In Hollister it helps most where moisture is the problem or there's no room for anything thicker.
Most people who ask about closed-cell have a specific spot in mind, like a damp crawl space, the room over the garage or a shallow wall with no room for thick insulation. The first decision is whether that spot really needs closed-cell, because it costs more than the other options. Before anything gets sprayed, old insulation that's soaked or full of droppings has to come out, or the foam just seals the problem in.
Price turns on how many square feet we cover, how thick the foam goes and how tight the space is, and the schedule turns on prep, cleanup and weather, because foam needs the right temperature and a dry surface to go on. State energy rules set insulation standards by climate zone, and the city or county building department enforces them, so I check what applies to your address. You'll see all of it on the written estimate.
Closed-cell foam, open-cell and the prep around them
Where closed-cell earns its price
Closed-cell costs more than the other ways to insulate, so we use it where it pays off. That usually means a crawl space or wall where moisture is the real worry, because the dense foam keeps damp air from working into the framing, or a tight spot like a shallow rafter bay where nothing thicker fits. If the room over the garage just needs to stop being drafty, I'll tell you foam is more than it needs.
When open-cell or loose fill wins
Closed-cell isn't the only foam, and foam isn't the only fix. If open-cell would do the job, we'll say so and quote open-cell foam insulation instead, since there's no reason to pay for density you don't need. In a lot of attics the better buy is sealing the gaps around can lights, pipes and the hatch, then topping up the loose fill already up there. Foam makes more sense when your ductwork runs through that attic.
Prep first, at home or work
Foam over a pile of droppings is still a pile of droppings, just better insulated. Before we spray, our crew pulls out old insulation that's wet or dirty, masks off what shouldn't get foam on it and, where the attic stays vented, keeps the eave vents clear so it can still breathe. Edges and corners get the same thickness as the middle, which is where sloppy jobs come up short. Business owners get the same prep through our commercial insulation work.
Get a free on-site closed-cell foam estimate
Send us the areas you want insulated and whether anyone at home has asthma or allergies, and we'll reply within one business day. I'll come out to look, and the on-site estimate is free with no obligation.
(831) 245-4007How a closed-cell foam job goes
You call, I come look
Call (831) 245-4007 or send the form, and we get back to you. Then I come out myself to look at the crawl space, attic or walls, see what's already in there and find where the drafts and dampness start.
A written plan before spraying
You get the estimate in writing, listing what needs fixing first and what we'd do about it. If a permit is needed, we sort it out with the right office before we start, and you line up a place to stay for the spray.
Crew sprays, I check it
Our crew does the prep, sprays the foam and cleans up. I check the work before we call it done, then we walk through it with you, edges and corners included, since that's where thin spots hide.
Closed-cell foam questions from Hollister
Is closed-cell or open-cell spray foam right for my Hollister home?
Closed-cell is usually the right call where moisture or a tight space is the problem, and open-cell is often enough everywhere else. Closed-cell insulates about twice as well per inch and blocks moisture vapor at its normal thickness. Open-cell costs less, doesn't stop vapor and is much better at keeping sound down, and both seal air well.
How much does closed-cell spray foam cost near Hollister?
Closed-cell spray foam in San Jose usually costs about $1 to $1.60 per board foot, which is one square foot of foam an inch thick. That's the area's going rate, not our price. Your job turns on how much area we cover, how thick it goes and how much prep comes first, and the written estimate lays that out.
How long do we have to stay out of the house after spray foam?
Federal safety guidance says to stay out at least 24 hours. The right return time depends on the product, the house and whether kids or older folks live there, so book a place to stay first. If anyone has asthma, breathing allergies or skin conditions, the guidance says to read the product information carefully and weigh other insulation.
Who licenses insulation contractors in California?
The Contractors State License Board licenses them, and its C-2 insulation classification covers installing any insulating material for temperature or sound control. Before you hire anyone to spray foam in your house, ask for their license and check it with the board yourself. If we're on your list, ask us too.