Insulation Company in Floresville, TX
Insulation in Floresville has to work harder than it does almost anywhere else in Texas. Our crews see attics that hit 140°F in August, pier-and-beam homes with open crawl spaces pulling humid air up through the floors, and original wood-sash windows that let conditioned air escape year-round. Thistledown Attic Insulation installs attic insulation and spray foam built for that specific combination of heat, humidity, and older housing stock. Every job gets a written price before we start, and every crew member who walks through your door is background-checked and uniformed. Call (903) 437-9164 for a free estimate.
Our Main Floresville Services
Floresville homeowners call us about two insulation services most often. Each one has its own page with local pricing, what the job looks like, and answers to the questions we hear at kitchen tables around Wilson County.
Attic Insulation in Floresville
Most Floresville attics we inspect either have thin, settled fiberglass batts or nothing at all. That matters here because attic temperatures routinely pass 130°F in summer, and when the insulation sits below the top of the joists, heat pours into the house. In the older neighborhoods near the Wilson County Courthouse, many homes have pier-and-beam foundations and no wall insulation, which makes the attic the single most important thermal boundary in the house. We install blown-in cellulose, fiberglass, and radiant barrier systems matched to how your home breathes in South Texas humidity. Read more about Attic Insulation in Floresville.
Spray Foam Insulation in Floresville
For Floresville homes with ductwork running through an unconditioned attic, spray foam often makes the most sense. Closed-cell foam seals the roofline, keeps the ducts inside the conditioned envelope, and blocks the humid outside air that feeds mold and dust in vented attics. In older pier-and-beam homes where air leaks through rim joists and floor cavities, open-cell foam between the joists stabilizes indoor temperatures and reduces the dampness you feel in humid months. We use Icynene and Demilec products and air-seal every gap before we spray. See Spray Foam Insulation in Floresville for local costs and what to expect.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Why Floresville Homes Are Different
Floresville blends three housing generations in a small footprint. Near downtown, early-1900s homes sit on pier-and-beam foundations, many with original wood-sash windows and zero wall insulation. Those houses were built for a different climate than what Floresville now gets: 95°F days with high relative humidity from May through September. The attics in those homes can bake above 140°F, and fiberglass batts that look adequate from the hatch lose much of their thermal resistance at those temperatures. Homeowners often see the biggest change not from adding more of the same material but from switching to blown-in cellulose with a radiant barrier or sealing the roofline with spray foam.
Mid-century ranch houses here have their own pattern: batt insulation above the ceiling but almost no air sealing at top plates, light fixtures, and plumbing penetrations. In a humid climate, those small gaps let conditioned air out and pull damp outside air in, which is why we air-seal before we insulate every attic in Floresville. Newer subdivisions on the outskirts tend to have code-minimum insulation and vented attics that perform acceptably in winter but struggle to shed heat in July. Across all three housing types, the difference between a comfortable Floresville home and an expensive-to-cool one usually comes down to details: radiant barrier, air sealing, and ventilation that actually works with South Texas moisture.
Brands We Service in Floresville
Thistledown installs a focused set of insulation brands chosen for how they hold up in South Texas heat and humidity. In Floresville attics we regularly work with Owens Corning fiberglass, GreenFiber cellulose, and Icynene and Demilec spray foam systems. Every brand we carry is stocked locally or delivered within days, so quotes and installs in Floresville don’t wait on supply chains. See our brands for the full selection.
Pricing for Insulation Company in Floresville, TX
| Service | Typical range in Floresville |
|---|---|
| Attic insulation – full replacement (blown-in cellulose or fiberglass) | $1,800 – $3,200 |
| Attic insulation – top-up over existing batts | $900 – $1,600 |
| Attic air sealing before insulation | $600 – $1,200 |
| Radiant barrier installation (attic rafters) | $1,200 – $2,400 |
| Spray foam – open-cell attic roofline | $5,000 – $9,500 |
| Spray foam – closed-cell rim joist sealing (pier-and-beam) | $1,500 – $3,000 |
| Spray foam – closed-cell attic roofline | $7,500 – $12,500 |
| Crawl space encapsulation with foam board | $4,000 – $8,000 |
Two things push Floresville insulation prices higher than the state average: pier-and-beam foundations, which add rim joist work and often crawl space attention, and attic access through tight interior closets that slows the crew and the cleanup. Whatever the number is, you will have it in writing before we send anyone to your house. No ranges after the fact, no surprise line items.
Neighborhoods We Serve in Floresville
Our crews work across Floresville and the surrounding Wilson County communities. We regularly insulate homes in the older grid near the Wilson County Courthouse, the ranch-style streets off Hospital Boulevard, and newer subdivisions along the Highway 181 corridor. Response time for a free Floresville estimate is usually same-day or next-day, depending on when you call.
- Downtown Floresville (near the Wilson County Courthouse)
- Pecan Park
- Colonial Hills
- Abel Grant area
- Eagle Creek Ranch
Service Area – Cities Near Floresville
While this page covers Floresville insulation work specifically, our crews also serve homeowners in nearby communities across the San Antonio metro and the Hill Country corridor. If your home sits closer to Cibolo, TX, San Antonio, TX, New Braunfels, TX, or Boerne, TX, each of those pages covers local pricing and conditions for that area. Dispatch is coordinated from our San Antonio office, and scheduling for Floresville works the same as it does there: a live person answers, no phone trees.
Serving Floresville, TX - Our Local Coverage Area
We’re based in the Floresville area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Insulation Company in Floresville
Most Floresville estimates happen within one day of your call. Smaller jobs like attic top-ups or air sealing can often be scheduled within the same week, while full spray foam projects depend on crew availability and the scope of prep. Call (903) 437-9164 and we’ll give you an honest window, not a vague “soon.”
Most insulation-only jobs in Floresville don’t require a city permit, but scope matters. Blown-in attic insulation and spray foam in an existing attic are typically straightforward. If your job involves a crawl space encapsulation or changes to vented vs. unvented attic design, we’ll tell you during the estimate. We handle the paperwork questions so you don’t have to chase them down.
Yes. Every Thistledown team lays drop cloths from the front door to the attic hatch and wears shoe covers on every visit. We choose pet-safe insulation products where a choice exists, so your dog or cat can stay home during the job. Before we leave, we take a photo of the cleanup so you can see exactly what we saw when we finished. That’s the Cedarwell Care Promise, and it’s non-negotiable on every Floresville job.
Ready to talk about your attic? Call (903) 437-9164 for a free estimate and a written price before any work begins.
What happens when you call
- 1A real person answersNo phone trees - talk to a local insulation pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within 30-60 min.
- 4You approve before work beginsNothing starts until you say go.
What Floresville Customers Say
"Careful and clean from start to finish. They covered the hallway, wore booties, and hauled off all the old material without leaving a speck. Respectful of the home the whole time."
- Brett Yamamoto"Attic insulation with a baby in the house. The crew was quiet, clean, and protected every floor they crossed. Took away all the debris and left it tidy. Already feeling the difference in comfort."
- Omar Leon"Attic insulation with a newborn in the house. The crew was quiet, laid protection on every floor they crossed, and hauled off all the old material. Left it spotless and the house is cozier already."
- Corinne Dyer