Fast, Reliable Attic Insulation Across Boerne
Most attic insulation jobs in Boerne run $1,800-$4,500 depending on square footage and whether we’re topping up existing material or stripping and replacing it entirely. Our crews dispatch from the San Antonio metro office and typically reach Boerne homes within 45 minutes to an hour, including neighborhoods along I-10, FM 474, and the growing corridor toward Fair Oaks Ranch. We’ve worked in enough attics here to know that a 2019 production home in Esperanza can perform worse than a 1980s build in San Antonio if the original insulation was blown to minimum code over an unsealed attic floor. Call (830) 529-7780 for a written price before any work starts.
Why Topside Attic Insulation Boerne Is Boerne’s Preferred Attic Insulation Company
We’ve sealed and insulated more than 9,000 homes since 2016, and a growing share of them sit right here in Kendall County. Boerne homeowners leave reviews that mention the same things: the blower-door printout they keep in their filing cabinet, the photo record showing before and after, the fact that a live person answered at 8 p.m. when they called about a draft.
Our response time to Boerne runs about 45 minutes from dispatch. We know which subdivisions have the metal-roof heat gain problem, which builders skipped baffles at the eaves, and where the attic access is likely hidden in a closet or garage ceiling. That local pattern recognition saves time on every job.
Under Haven Standard, you get a named technician, a text when they’re en route, and a written scope with flat pricing before anyone touches your attic. No voicemail loops. No callback windows measured in business days.
Our Attic Insulation Services in Boerne
Blown-In Attic Insulation
We install Owens Corning and Johns Manville blown fiberglass to spec, but only after air-sealing is complete. In Boerne’s newer subdivisions like Stone Creek and Esperanza, we regularly find original blown fiberglass compacted to R-19 or less against the ceiling line, even where the builder claimed R-30 or R-38. The dry Hill Country air and radiant heat off metal roofs accelerate settling. We pull the old material when it’s compromised, seal top plates and penetrations, then blow to true depth with baffles protecting every intake vent.
Attic Batt Insulation
Batt insulation works well in Boerne’s smaller attic lids, finished storage spaces, and the occasional historic home near Main Street with kneewalls or dormers. We use Knauf batts cut to fit, not stuffed and compressed around framing. Compressing a batt drops its R-value by the percentage of compression, so a jammed R-30 performs like R-20. We measure the cavity, cut to length, and staple to full loft.
Attic Insulation Top-Up
This is our most common call in Boerne. The home is ten years old or less. The upstairs runs hot. The electric bill climbed. We open the hatch and find original blown fiberglass settled thin, sometimes with bare patches where the blower missed. A top-up adds material to reach current code depth, but we won’t do it without first sealing the attic floor. Blowing new insulation over an unsealed lid is throwing money into the wind. We air-seal first, then top up, then document the final depth with photos.
Attic Insulation Replacement
When fiberglass has been compromised by moisture, rodent activity, or simply compressed beyond recovery, we strip it out. In Boerne, we see this most often in homes where the original builder used the cheapest blown product available and the homeowner has lived with declining performance for five to seven years. Replacement includes full removal, deck cleaning, air sealing, and new material to R-49 or per your written scope. You get before-and-after blower-door numbers on every applicable job.
Attic Baffles & Ventilation Prep
Boerne’s wind-driven rain and hard freezes make baffles non-negotiable. These styrene or cardboard channels keep blown insulation from blocking soffit vents while maintaining the intake air path from eave to ridge. Without them, you get dead air pockets, ice dam risk in freeze events, and summer heat buildup that cooks the shingles from underneath. We install baffles at every vented eave before adding insulation, then photograph each one for the Documented Photo Record.
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 Boerne
We stock Owens Corning, Johns Manville, and Knauf insulation products for Boerne jobs, with no proprietary lock-in that limits your options. Owens Corning blown fiberglass is our standard for production-home top-ups in Esperanza and Stone Creek, where we’re matching existing systems at higher R-value. Johns Manville serves the same application with slightly different density characteristics that some homeowners prefer for sound dampening under metal roofs. Knauf supplies our batt work and select blown jobs. Materials arrive from regional distribution, so lead times are short and we don’t hold you waiting on a special order.
Common Attic Insulation Problems We See in Boerne Homes
- Metal-roof radiant gain cooks settled fiberglass. In Esperanza, our crew opened a 2019 builder home with a standing-seam metal roof and found the original blown fiberglass compacted to roughly R-19 against the ceiling line with a 148°F attic at 3 p.m., and the homeowner’s summer electric bill matched her neighbor’s much larger house. We pulled the sagging batts, air-sealed around recessed cans and the HVAC platform, ran Owens Corning blown fiberglass to R-49, then added baffles at the eaves to keep the intake path clear under the new depth. Four weeks later her cooling run-time had dropped noticeably and the attic top-out at lunchtime read in the low 120s.
- Builders staple batts over joists and skip air-sealing. Top plates, can lights, bath fans, and the HVAC chase leak conditioned air straight into the attic. The insulation is technically present and technically useless. We find this in tract homes across the I-10 corridor, where speed of construction beat tightness of envelope.
- Hard freezes expose thin attic lids. Winter Storm Uri froze pipes in Boerne attics where heat escaped fast enough through uninsulated or under-insulated ceiling planes. At 1,400 feet on the Edwards Plateau, Boerne sees larger diurnal swings and more severe freeze events than lower-elevation San Antonio suburbs. Insulation has to perform at both ends of the spectrum.
- Missing or inadequate baffles block soffit vents. Blown insulation drifts into eave vents, choking intake airflow and creating moisture traps. We find this in roughly half the newer Boerne homes we inspect, especially where builders used the shortest, cheapest baffles or none at all.
Pricing for Attic Insulation in Boerne, TX
Here’s what attic insulation costs in the Boerne market based on jobs we’ve written prices for in the past eighteen months:
| Service | Typical Range (Boerne) |
|---|---|
| Attic Insulation Top-Up (air seal + blow to R-49) | $1,800 - $3,200 |
| Blown-In Attic Insulation, full install (new construction or stripped attic) | $2,400 - $4,200 |
| Attic Insulation Replacement (remove, clean, seal, reinstall) | $3,200 - $5,800 |
| Attic Batt Insulation (finished spaces, kneewalls) | $2,000 - $3,800 |
| Attic Baffles & Ventilation Prep (add to any insulation job) | $400 - $900 |
| Radiant Barrier Addition (under roof deck, with insulation) | $1,200 - $2,400 |
What moves you within these ranges: attic square footage, current insulation condition, accessibility, and whether we’re air-sealing a simple rectangular lid or chasing penetrations through multiple attic zones. Every job gets a written price before work starts. No exceptions. Bring us a competing written estimate and we’ll give you a Free Second Opinion, line by line.
Call (830) 529-7780 for a written estimate at your Boerne home.
We Also Serve Cities Near Boerne
Our crews work throughout Kendall County and the northern Hill Country, including Boerne and nearby Bulverde, Helotes, Canyon Lake, and San Antonio. Dispatch and scheduling are coordinated from our San Antonio metro office. If you’re in one of these surrounding communities and your attic runs hot or your upstairs won’t hold temperature, the same crew, same pricing structure, and same Haven Standard documentation apply.
Serving Boerne, TX - Our Local Coverage Area
We’re based in the Boerne 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 Boerne
Because builder-grade blown fiberglass in Boerne’s production homes often compacts to 20-30% below stated R-value within five years, especially under metal roofs that drive attic temperatures past 150°F. The material is present but no longer performing. We inspect the actual depth, measure against the labeled spec, and show you photos of what we found. Call (830) 529-7780 for a free inspection and written price.
Yes. At 1,400 feet on the Edwards Plateau, Boerne sees harder freezes and larger temperature swings than San Antonio’s lower suburbs. We prioritize full attic-lid coverage over partial top-ups, and we never skip air-sealing around top plates and penetrations where heat escapes fastest. Winter Storm Uri proved that thin or patchy attic insulation in Boerne can freeze pipes that would survive further south. Your written scope will specify continuous coverage to the eaves.
A radiant barrier is often the highest-ROI addition for metal-roof homes in Stone Creek, Esperanza, and similar subdivisions. It blocks radiant heat transfer from the roof deck before it reaches the insulation layer, dropping attic temperatures 20-40°F in peak summer. Spray foam on the roof deck achieves similar temperature control with the added benefit of sealing the attic as a conditioned space, but at higher cost. We can quote both approaches with your written price before any work starts.
We install baffles at every soffit vent before blowing new material, extending them past the expected insulation depth to maintain the intake air path from eave to ridge. In Boerne’s wind-driven rain environment, we use rigid baffles that won’t collapse or degrade. Each installation is photographed for your Documented Photo Record. Without baffles, blown insulation drifts against the vent and chokes airflow, creating the exact moisture and heat problems we’re there to solve.
We carry Owens Corning, Johns Manville, and Knauf insulation products for Boerne jobs, with no proprietary lock-in. Owens Corning is our standard for blown fiberglass top-ups in production homes. Johns Manville offers alternative density characteristics. Knauf supplies batt work. All materials are sourced from regional distribution, not special order, so we don’t delay your job waiting on product. Call (830) 529-7780 to discuss which material fits your attic and budget.
Ready to see what’s actually in your attic? Call (830) 529-7780. A live person answers 24/7. We’ll schedule a inspection, deliver a written price before any work starts, and leave you with a Documented Photo Record, before-and-after blower-door numbers on applicable jobs, and a 365-Day Done Right Promise backed by the Haven Standard.
Written by Wes Okafor, Owner at Topside Attic Insulation Boerne, serving Boerne and the Hill Country since 2016.