Fast, Reliable Attic Insulation Across Live Oak
Most attic insulation jobs in Live Oak run $1,800-$4,200 depending on whether we’re topping up existing material or stripping degraded batts and starting fresh. Our crews serve Live Oak from our San Antonio dispatch office, and we typically book site visits within 24-48 hours for addresses in the 78148 ZIP and surrounding neighborhoods. Call (830) 529-7780 for a written price before any work starts.
We’ve worked the attic hatches on enough Live Oak homes to know the pattern: original fiberglass batts in the 1960s-1980s ranch stock, settled and thinned by decades of Bexar County heat, with soffit vents choked by old material and top plates never sealed. The result is attics that hit 150°F in July while the living space pays for it. Our Attic Insulation team treats air sealing as a hard prerequisite, not an upsell, and we publish before-and-after blower-door numbers on every job so you can verify the performance change.
Why Topside Attic Insulation Boerne Is Live Oak’s Preferred Attic Insulation Company
We’ve sealed and insulated over 9,000 homes since 2016, and a meaningful share of those have been in the Live Oak market - particularly the older ranch neighborhoods north and west of JBSA-Randolph where the housing stock is original and the attic conditions are rough. Our Live Oak customers tend to find us through referrals from neighbors who’ve already seen our documented photo records and blower-door readings.
Response time to Live Oak is typically next-day for site visits, with crews carrying Owens Corning, Johns Manville, and Knauf materials on the truck so we’re not waiting on supplier runs. Calls are answered by a live person 24/7 - no voicemail loops, no callback windows measured in business days.
What sets us apart in this market specifically is that we understand the dual demand. Live Oak sits under the Randolph AFB aircraft noise overlay, and we’ve documented enough jobs to know that proper attic insulation with air sealing delivers measurable acoustic attenuation, not just thermal performance. It’s a conversation we have regularly on Live Oak calls. One that rarely comes up in neighboring Schertz or Converse.
Our Attic Insulation Services in Live Oak

Blown-In Attic Insulation
We blow Owens Corning ProPink Loose Fill and Johns Manville Climate Pro in Live Oak attics where the existing material is too degraded to salvage or where we’re filling over properly prepped air sealing. The blown-in method gets full coverage into odd corners and truss bays that batt installers typically miss. On a typical 1,400-square-foot Live Oak ranch, we’re running baffles first, sealing top plates and can-light penetrations, then blowing to R-38. Most jobs finish in a single day.

Attic Batt Insulation
Batt installs make sense in Live Oak when we’re working in a partially finished attic space or where the homeowner needs selective replacement in a specific bay. We source Knauf EcoBatt and Owens Corning batts cut to spec, not stuffed into place. The key detail most crews skip: batts compressed into soffit vents or crammed against electrical boxes lose 20-30% of their rated R-value immediately. We photograph every bay before we close it up.

Attic Insulation Top-Up
This is our most common Live Oak service. Original fiberglass batts in the 1970s ranch stock have settled from R-19 or R-30 down to effective R-8 or lower. Rather than tear out everything, we remove the degraded top layer, prep baffles and ventilation paths, seal accessible leaks, then blow new material to achieve uniform R-38. A typical Live Oak top-up runs $1,800-$2,800 for a single-story ranch under 1,600 square feet. We only recommend top-ups when the existing material isn’t mold-compromised or rodent-damaged - we check both during our site visit.

Attic Insulation Replacement
Full replacement is the right call when original batts are collapsed, moisture-stained, or contaminated. In Live Oak’s high military-rental-turnover areas, we’ve seen attics where decades of deferred landlord maintenance left insulation that’s effectively doing nothing. We strip to the ceiling plane, remove debris, seal all penetrations, install proper baffles for soffit-to-ridge ventilation, then blow new material. Replacement jobs in Live Oak typically run $3,200-$4,800 depending on attic square footage and accessibility. Every replacement includes our full air-sealing package and documented blower-door test.

Attic Baffles & Ventilation Prep
Baffle prep is where most Live Oak insulation jobs were botched in the past. Original 1960s-80s construction often skipped baffles entirely, or used cardboard that collapsed decades ago. Without proper baffles, blown insulation blocks soffit vents and creates moisture traps. We install rigid polystyrene or propper vent baffles on every job, ensuring clear intake airflow from soffit to ridge. In Live Oak’s 150°F summer attics, ventilation is what keeps the roof deck from cooking itself and the insulation from degrading prematurely.

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.
Trusted Brands We Service in Live Oak
We stock Owens Corning ProPink Loose Fill and Johns Manville Climate Pro on our Live Oak trucks, with Knauf EcoBatt available for selective batt work. We don’t push proprietary products or lock you into a single manufacturer. Our material choice is driven by what’s appropriate for your attic’s condition and your performance target, not by supplier rebates. For Live Oak customers concerned with acoustic performance near Randolph, we can spec higher-density blown material that adds mass to the ceiling plane without compressing into the joist bays.
Common Attic Insulation Problems We See in Live Oak Homes

- Settled original batts performing at R-8 or lower. The 1960s-80s ranch homes that dominate Live Oak were built with fiberglass batts that have compressed and degraded over 40-60 years. We regularly pull material rated at R-19 that’s performing at half that or less. The homeowner pays for it every month in cooling load.
- Blocked soffit vents killing attic airflow. Previous installers - or decades of homeowner DIY - packed insulation tight against eaves without baffles. In Live Oak’s climate, that turns attics into solar ovens and voids most manufacturer warranties on roofing materials.
- Unsealed top plates and penetrations bypassing new insulation. Even homeowners who’ve had insulation added before often find it didn’t help because the air leaks were never addressed. Conditioned air escapes through gaps around partition walls, wiring holes, and can lights. We seal these first, then insulate.
- Deferred maintenance in high-turnover rental stock near Randolph. Live Oak’s military-family rental market means some landlords have never touched the attic. We’ve found original 1970s batts still in place, sometimes with rodent damage or moisture staining, in properties that have changed tenants six times.
Pricing for Attic Insulation in Live Oak, TX
Attic insulation in Live Oak follows clear ranges based on what we’re actually doing:
| Service | Typical Range |
|---|---|
| Attic Insulation Top-Up (single-story ranch, prep + blow to R-38) | $1,800 - $2,800 |
| Attic Insulation Replacement (strip, seal, baffle, blow to R-38) | $3,200 - $4,800 |
| Attic Baffles & Ventilation Prep (standalone, per sq ft) | $1.20 - $1.80/sq ft |
| Full air sealing + insulation package with blower-door documentation | $3,800 - $5,400 |
What moves you within these ranges: attic square footage, accessibility (truss height, hatch location), whether we’re dealing with contaminated material requiring full removal, and the extent of air sealing needed. Every job gets a Written Price Before Any Work Starts under Haven Standard Clause 1 - flat price, written scope, written warranty before anyone lifts a tool. We also offer a Free Second Opinion on any written estimate from another contractor. Call (830) 529-7780 to schedule a site visit; estimates are free.
We Also Serve Cities Near Live Oak

Our crews work throughout northeastern Bexar County and the surrounding corridor, including Live Oak and nearby Boerne, Fair Oaks Ranch, Scenic Oaks, and Helotes. Dispatch and scheduling are coordinated from our San Antonio office; crews serve all listed markets locally without cross-country travel delays.
Serving Live Oak, TX - Our Local Coverage Area
We’re based in the Live Oak 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 - Attic Insulation in Live Oak

Yes, proper attic insulation with comprehensive air sealing provides measurable acoustic attenuation against low-flying military aircraft. The combination of dense blown insulation mass and sealed ceiling penetrations reduces both airborne sound transmission and structural vibration transfer through the ceiling plane. We documented this on a 1972 ranch in Live Oak Village where Owens Corning ProPink blown to R-38 made C-5 flyovers noticeably quieter indoors. Call (830) 529-7780 if you’re near the flight pattern and want to discuss acoustic-targeted specs.
Only if the existing batts are dry, uncontaminated, and not compressed below the joist tops. In most 1970s Live Oak homes we inspect, the original material has settled to R-8 or lower, contains debris, or blocks soffit vents. We remove the degraded layer, prep baffles, seal leaks, then blow new material. Blowing over bad insulation buries the problem and often makes ventilation worse. We’ll tell you exactly what we find during our free site visit.
Most Live Oak attic insulation jobs run $1,800-$4,800 depending on whether we’re topping up, replacing, or doing a full air-sealing package. A typical single-story ranch top-up with baffle prep and blown material to R-38 lands around $2,200-$2,600. Full replacement with strip-out, sealing, and blower-door documentation runs higher. We publish the written price before any work starts, and we offer a Free Second Opinion on competing quotes. Call (830) 529-7780 for your specific number.
R-38 is the minimum we specify for Live Oak’s climate zone, and we often recommend R-49 for homes with significant sun exposure or limited shade cover. Texas’s current residential code calls for R-38 in attics, but the original 1960s-80s construction in Live Oak was built to much lower standards. The key is achieving that R-value with proper air sealing and ventilation prep - R-38 with unsealed top plates performs like R-25 in the real world.
Yes, we work with property owners and managers throughout Live Oak’s rental corridors near JBSA-Randolph. We provide the same written scope, documented photo record, and 365-Day Done Right Promise for rental properties as for owner-occupied homes. For landlords, we can phase work to minimize tenant disruption and coordinate access directly with property management. Many deferred Live Oak attics need full replacement rather than top-up; we’ll document exactly what we find and what it costs to fix properly.
Written by Wes Okafor, Owner at Topside Attic Insulation Boerne, serving Live Oak and northeastern Bexar County since 2016.