Spray Foam Insulation in Kirby - Same-Day Service, Done Right the First Time

Fast, Reliable Spray Foam Insulation Across Kirby

Spray foam insulation in Kirby, TX typically costs between $1.20 and $2.80 per board foot depending on open-cell or closed-cell application, and most Kirby jobs are completed in one to two days with same-week scheduling available. We’re familiar with the specific challenges of Kirby’s 1950s-1970s housing stock - pier-and-beam foundations, vented crawl spaces, and attics that never met modern energy codes - so we don’t waste time on assessments that treat your home like new construction. Our crews dispatch from the San Antonio office and can usually be on-site in Kirby within 24 hours of your call. If you’re seeing high summer cooling bills or dealing with musty crawl space odors near the old Kelly AFB corridor or along FM 78, call us at (830) 549-6646 for a free written estimate.

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Why Topside Attic Insulation Seguin Is Kirby’s Preferred Spray Foam Insulation Company

We’ve worked in Kirby long enough to know that a blower-door test on a 1965 ranch near Kirby Terrace will read differently than a 2010 build in Cibolo. That matters. Our Spray Foam Insulation team treats air sealing as a hard prerequisite - not an upsell - and we publish before-and-after blower-door numbers on every applicable job so you can see the performance change you actually paid for.

Homeowners in Kirby leave reviews that mention the same things: our technicians showed up in uniform, explained the written scope before touching anything, and delivered a Documented Photo Record when the crew left. We don’t ask you to trust us - we show you the pressurization reading, the photos, and the written warranty under our 365-Day Done Right Promise.

Calls are answered by a live person, 24/7. No voicemail loops. No callback windows measured in business days. If you’re in Kirby and need a Free Second Opinion on a written estimate from another contractor, bring it to us. We’ll read it with you.

Our Spray Foam Insulation Services in Kirby

Open-Cell Spray Foam

Open-cell spray foam runs lighter and less dense - about half a pound per cubic foot - which makes it ideal for Kirby attic roof decks where you need breathability and sound dampening without the structural rigidity of closed-cell. In Kirby’s post-war ranches, we often spray open-cell directly to the underside of the roof deck, turning a vented, 150°F attic into a conditioned space that your HVAC doesn’t have to fight against. Most open-cell jobs in Kirby run $1.20-$1.80 per board foot. On a humid July day in the Kirby Terrace neighborhood, our crew sprayed closed-cell foam along the rim joists of a 1962 pier-and-beam home near the old Kelly AFB corridor. The homeowner had complained of high cooling bills and musty odors; after we sealed the crawl space and applied open-cell foam to the attic roof deck, their AC runtime dropped noticeably and the musty smell disappeared.

Closed-Cell Spray Foam

Closed-cell spray foam is denser - roughly two pounds per cubic foot - with a higher R-value per inch and true vapor barrier properties. In Kirby, we use it where moisture control is critical: crawl space walls, rim joists, and any application where ground humidity or the occasional hard freeze (like February 2021’s Winter Storm Uri) could compromise the building envelope. Closed-cell in Kirby typically runs $2.00-$2.80 per board foot. It’s the right choice when you’re trying to stop both air and water vapor, which is exactly what pier-and-beam homes on Kirby’s older streets need.

Rim Joist Spray Foam

Kirby’s older homes often have pier-and-beam foundations, leaving vented crawl spaces that were never insulated to modern standards; spray foam here is almost always used to seal rim joists and crawl space walls, not just attics, to stop humidity and pest intrusion. The rim joist - the board connecting your foundation to your floor system - is the leakiest part of most Kirby crawl spaces. We spray closed-cell foam directly to seal those gaps, then address any ground moisture issues before the foam goes in. Spraying closed-cell foam directly onto 1950s pier-and-beam subfloor without addressing ground moisture causes wood rot from trapped humidity, so we always inspect vapor barrier conditions first.

Garage Ceiling Spray Foam

Attached garages in Kirby’s post-war neighborhoods often have uninsulated ceilings that act as thermal bridges to conditioned rooms above. We spray open-cell foam to garage ceilings where there’s living space overhead, creating a thermal and air barrier that keeps bedroom temperatures consistent. Most garage ceiling jobs in Kirby run $800-$1,400 depending on square footage and whether the ceiling is finished or open joist.

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Trusted Brands We Service in Kirby

We source spray foam materials from Icynene, Demilec, and Owens Corning - no proprietary product lock-in, so we match the material to your home’s condition rather than pushing whatever’s in the warehouse. For Kirby homeowners, this means faster turnaround on specialty applications and no waiting on back-ordered off-brand kits. We also stock local inventory for common open-cell and closed-cell formulations, so most Kirby jobs aren’t delayed by material shipping.

Common Spray Foam Insulation Problems We See in Kirby Homes

• Spray foam applied over old, compressed fiberglass batt without removal traps odors and moisture, leading to mold growth in crawl spaces. We see this in Kirby pier-and-beam homes where a previous owner or handyman tried to “save money” by spraying directly over degraded 1960s batts. The foam creates a vapor barrier on the wrong side, and the trapped cellulose-based debris becomes a mold food source. We remove all old insulation before spraying - non-negotiable under our Haven Standard.
• Improperly mixed two-component foam from off-brand kits leaves sticky, uncured spots that never expand, creating air gaps and wasted material. Kirby’s smaller home sizes and tight crawl spaces tempt some contractors to use DIY kit foam. We’ve torn out more of this failed product than we care to count. Our crews use proportioning equipment with real-time temperature and ratio monitoring.
• Spraying closed-cell foam directly onto 1950s pier-and-beam subfloor without addressing ground moisture causes wood rot from trapped humidity. The foam works too well - it seals moisture against the wood. We always inspect and upgrade vapor barriers before applying subfloor foam in Kirby crawl spaces.
• Attic spray foam in Kirby’s 150°F summer heat without proper roof deck assessment can accelerate shingle degradation. Open-cell foam on the roof deck changes how your attic breathes. We calculate dew points and verify existing ventilation before spraying, so you don’t trade energy savings for premature roof failure.

Pricing for Spray Foam Insulation in Kirby, TX

We Also Serve Cities Near Kirby

Our crews work throughout the San Antonio metro corridor, including Spray Foam Insulation in Kirby and neighboring Seguin, New Braunfels, Cibolo, and Schertz. Dispatch and scheduling are coordinated from our San Antonio office, with local crews serving each area.

FAQs - Spray Foam Insulation in Kirby