Fast, Reliable Blown-In Insulation Across Universal City
Blown-in insulation in Universal City typically runs $1,800-$4,500 for a full attic retrofit, with dense-pack wall work adding $2,200-$5,000 depending on cavity depth and square footage. Most jobs are completed in a single day, and crews are dispatched from our San Antonio office with same-day scheduling availability for Universal City addresses. Call (830) 420-0953 for a written price before any work starts.
We’ve worked the neighborhoods around Universal City since 2016 - from the original 1960s ranch homes off Pat Booker Road to the 1980s subdivisions near the Forum. The housing stock here is specific: slab-on-grade tract construction built fast for Randolph AFB personnel, most with attic insulation that hasn’t been touched in forty years. We know what those attics look like before we pull the hatch. And we know the difference between a standard thermal retrofit and one that has to account for T-6 and T-38 traffic overhead.
Why Topside Attic Insulation Converse Is Universal City’s Preferred Blown-In Insulation Company
Our reputation in Universal City is built on documented results, not promises. We’ve sealed and insulated over 9,000 homes since 2016, and every job closes with a Documented Photo Record - on applicable work, we also publish before-and-after blower-door numbers so you can verify the air-sealing performance in a single figure.
Universal City customers review us specifically for showing up with the written scope already prepared, not scribbled on a truck hood. The 365-Day Done Right Promise applies here exactly as it does everywhere we work: if it’s not done right, we make it right, backed by the written warranty delivered before anyone starts.
Response time to Universal City is same-day or next-day for standard bookings, with a live person answering calls 24/7 - no voicemail loops, no callback windows measured in business days. You’ll get a text when your technician is en route, with a name and photo.
Local knowledge matters here in ways it doesn’t in Schertz or Cibolo. We understand the dual-purpose spec that Universal City’s flight-corridor location demands: thermal performance against 100°F+ summers AND acoustic attenuation from jet trainer noise. Our Blown-In Insulation crews are trained to treat these as a single engineering problem, not two separate conversations.
Our Blown-In Insulation Services in Universal City

Blown-In Cellulose
We specify GreenFiber cellulose for most Universal City attics - it’s treated with borate for fire and pest resistance, and at 3.2-3.8 R-value per inch, it packs tighter than fiberglass to dampen both heat transfer and low-frequency aircraft noise. For homes under the Randolph flight path, we frequently spec cellulose to R-49 in ceilings, well above the R-38 Texas Energy Code minimum, specifically for the mass benefit. A typical full attic in a 1,600-square-foot Universal City ranch runs $2,400-$3,800 including air sealing of top plates and can lights.

Blown-In Fiberglass
Owens Corning ProPink and Johns Manville Climate Pro are our standard blown fiberglass products for Universal City customers who need thermal performance without the density premium of cellulose. Fiberglass works well in vented attics where jet noise isn’t the primary concern - think the southern neighborhoods farther from the base perimeter, or homes where budget drives the spec. We never blow fiberglass over an unsealed attic floor; our crew completes air sealing of all penetrations first, then blows to uniform depth with depth markers every 300 square feet. Expect $1,800-$3,200 for a full attic.

Dense-Pack Wall Insulation
This is where Universal City’s acoustic needs separate from standard retrofit work. Dense-pack cellulose at 3.5 pounds per cubic foot fills wall cavities completely, eliminating the convection loops and sound transmission paths that hollow fiberglass batts leave behind. We dense-pack exterior walls for thermal performance, but in the neighborhoods north and west of JBSA-Randolph - particularly around Village Oak, Universal City Boulevard, and the streets feeding into Pat Booker Road - we regularly field requests for dense-pack specifically to dampen T-38 noise. The product conversation is virtually unheard of in Live Oak or Schertz outside the noise contour. Wall dense-pack runs $2,200-$5,000 depending on cavity depth and linear footage.

Blown-In Top-Up
Not every Universal City attic needs a full gut. If your existing insulation is level but compressed, a blown-in top-up can bring you to code without the removal cost. We assess first: if the original batts are degraded, moisture-stained, or rodent-compromised, we recommend removal. If they’re simply thin and settled, we’ll air-seal penetrations and blow cellulose or fiberglass over the top to achieve uniform R-38. Top-ups are common in the 1980s-built homes near the Forum where insulation was originally installed to R-19 and has settled to R-13 or less. Typical range: $1,200-$2,400.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Universal City
We stock GreenFiber, Owens Corning, and Johns Manville products for Universal City jobs - no proprietary lock-in, no special-order delays measured in weeks. GreenFiber’s recycled-content cellulose is our default for acoustic-dampening specs; Owens Corning ProPink serves the thermal-only retrofits; Johns Manville fills gaps when project timing demands a secondary source. All materials are specified to the job, not sold from a single-shelf inventory. If your home needs Rockwool acoustic batts in a shared wall or Knauf EcoSeal for a specific air-sealing detail, we source it and show you the product data sheet before it goes in.
Common Blown-In Insulation Problems We See in Universal City Homes

- Compressed original batts performing at R-11 or less. The 1960s-1980s tract homes throughout Universal City were built with fiberglass batts that have settled and compressed over decades. In flight-corridor neighborhoods, these thin layers transmit jet noise straight through the ceiling - there’s simply no mass to attenuate it.
- Foundation heave separating insulation from framing. Universal City’s expansive Vertisol clay soils shift seasonally, and that movement pulls attic insulation away from top plates and wall batts from studs. We find gaps at ceiling-to-wall junctions in homes off Pat Booker Road and Universal City Boulevard that didn’t exist five years ago.
- Summer attic heat degrading facing and causing settlement. Attic temperatures above 150°F in July and August cook kraft paper facing and cause blown fiberglass to settle unevenly around HVAC plenums and recessed lights. The resulting gaps bleed conditioned air and channel T-6 noise into living spaces.
- Unsealed can lights and top plates creating sound flanking paths. Even well-insulated attics leak noise if the attic floor isn’t sealed. We regularly find original 1970s can lights with no IC rating and no seal - essentially holes in the ceiling that bypass whatever insulation sits above them.
Pricing for Blown-In Insulation in Universal City, TX
| Service | Typical Range | What Drives Cost |
|---|---|---|
| Blown-in cellulose attic (full, with air sealing) | $2,400-$3,800 | Attic square footage, existing removal needed, R-value target |
| Blown-in fiberglass attic (full, with air sealing) | $1,800-$3,200 | Depth required, accessibility, penetrations count |
| Dense-pack wall insulation | $2,200-$5,000 | Cavity depth, linear footage, interior or exterior walls |
| Blown-in top-up to existing insulation | $1,200-$2,400 | Current depth, target R-value, air sealing scope |
| Acoustic retrofit (cellulose + Rockwool batts) | $3,800-$6,500 | Ceiling area, shared wall count, flight-path proximity |
These are real ranges for Universal City’s market, not teaser prices. Every job begins with a written price - flat, with scope and warranty documented before anyone lifts a tool. That’s Haven Standard Clause 1. We also offer a Free Second Opinion on any written estimate from another contractor; bring us their scope and we’ll read it with you. Call (830) 420-0953 to schedule.
We Also Serve Cities Near Universal City

Our crews work Universal City regularly and also cover Schertz, Converse, Cibolo, and San Antonio proper. Dispatch and scheduling run from our San Antonio office, but the crews serving your neighborhood are the same ones who know the Randolph flight path and the Vertisol soil patterns. Same written price guarantee, same documented photo record, same 365-Day Done Right Promise.
Serving Universal City, TX - Our Local Coverage Area
We’re based in the Universal City 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 - Blown-In Insulation in Universal City

Yes, if it’s specified correctly. Standard blown fiberglass at R-38 addresses thermal loss but does little for low-frequency aircraft noise. We specify dense-pack cellulose at 3.5 pounds per cubic foot or higher, often to R-49 in ceilings, and add Rockwool acoustic batts in shared walls where the noise path is direct. The mass and density of cellulose attenuate sound in a way lightweight fiberglass cannot. Call (830) 420-0953 for a scope specific to your home’s position relative to the flight corridor - estimates are free.
Remove and replace, in nearly every case we’ve seen. The original fiberglass batts in 1970s Universal City construction have compressed to R-11 or less, and they’re often contaminated with rodent activity, degraded facing, or moisture staining. Topping up over that layer leaves the compressed material in place, reducing the effective R-value of your new investment and doing nothing to address the unsealed attic floor that’s channeling jet noise. We remove, air-seal all penetrations, then blow new material to a uniform depth. The cost difference between top-up and full replacement is typically $800-$1,400 - money that pays back in performance. Call for a written price on both options.
Expansive Vertisol clay heaves seasonally, and that movement can separate wall batts from studs and attic insulation from top plates. We inspect for these gaps during every assessment, particularly in homes north of the base perimeter where soil movement is more pronounced. If we find separation, we air-seal the gaps with Knauf EcoSeal or equivalent before adding insulation - otherwise you’re insulating a frame that isn’t connected to the envelope anymore. The fix is standard on our jobs; we document it in your photo record.
R-38 is the current Texas Energy Code minimum for attic insulation in Climate Zone 2, which covers Universal City. We spec to that minimum for thermal-only jobs and to R-49 for homes under the Randolph flight path where acoustic performance is part of the requirement. Your original 1960s-1980s construction was likely built to R-19 or less, and settled performance is often half that. We’ll measure what you have and show you the gap in writing.
Yes, and we do this regularly for flight-corridor properties. Dense-pack cellulose at 3.5 pounds per cubic foot delivers approximately R-13 to R-15 in a standard 2×4 wall while eliminating the convection and sound transmission paths that fiberglass batts leave open. For homes with 2×6 framing, we can achieve R-19 to R-21. The acoustic benefit is measurable - not a complete soundproofing, but a significant reduction in low-frequency jet noise. We scope wall dense-pack separately from attic work so you can phase the investment if needed. Call (830) 420-0953 for a written price on both scopes.
Ready to stop losing conditioned air and dampen the noise overhead? Call (830) 420-0953 for a free estimate. We’ll arrive with a written scope, seal your attic floor before any insulation goes in, and leave you with a Documented Photo Record and blower-door numbers that prove the result. Under the Haven Standard, you get the price before we start - no exceptions.
Written by Wes Okafor, Owner at Topside Attic Insulation Converse, serving Universal City since 2016.