Fast, Reliable Attic Insulation Across New Braunfels
Most attic insulation upgrades in New Braunfels run $1,800-$4,500 depending on square footage and whether air sealing is needed first, and our crews typically complete the job in a single day. We dispatch from our San Antonio office and keep regular routes through the FM-306 and SH-46 corridors, so New Braunfels appointments book within 48 hours and most homeowners get their written price the same day we measure. Call (737) 227-6219 - a live person answers, even at 10 p.m.
New Braunfels isn’t a generic market for us. We’ve worked in enough 2019 production homes along the SH-46 east corridor to know the pattern: builder-grade R-30 blown fast to minimum IECC code, then trampled by HVAC crews, solar installers, and cable contractors until the effective R-value sits in the low 20s. Your home isn’t old. The insulation was just done wrong the first time. That’s the problem our Attic Insulation team fixes.
Why Topside Attic Insulation Canyon Lake Is New Braunfels’s Preferred Attic Insulation Company
We’ve sealed and insulated more than 9,000 homes since 2016, and a growing share of that work is in New Braunfels’s master-planned communities - the subdivisions off FM-306, the tracts along SH-46, the infill near Gruene. Homeowners here read their three-star reviews carefully, so we publish our before-and-after blower-door numbers on every applicable job. No performance theater, just pressurization readings: 4,200 CFM50 before sealing, 2,100 after. You get the documentation.
Our response time to New Braunfels is built into the route schedule. Calls are answered by a live person 24/7, and we don’t do callback windows measured in business days. Most New Braunfels homeowners who call Monday have their written price by Wednesday and their upgrade complete by Friday.
We know the local housing stock because we’ve measured it. The 2×6 framing common in 2010s production homes here, the soffit vent configurations that baffle installers miss, the way Hill Country attic temperatures north of 140°F punish any gap in the thermal boundary. That local knowledge changes what we recommend.
Our Attic Insulation Services in New Braunfels

Blown-In Attic Insulation
We install Owens Corning and Johns Manville blown-in fiberglass to settled depths that achieve R-49-60 in New Braunfels’s 2×6 framed attics. The critical step most crews skip happens first: air sealing of top plates, can lights, and HVAC chases. We won’t blow insulation over an unsealed attic floor. Under Haven Standard Clause 1, you get a written price and written scope before any material leaves the truck. The blower-door test after sealing gives you the number that proves the work.

Attic Batt Insulation
Batt fits specific situations in New Braunfels: knee walls in bonus rooms, vertical gable ends, and the occasional historic wood-frame structure downtown or in Gruene where blown-in would overcompress or block ventilation. We use Knauf batts cut to friction-fit, never stuffed or folded. In the older inventory, vapor management matters more, and we document our recommendations with photos you keep.

Attic Insulation Top-Up
This is the service we perform most often in New Braunfels. In the FM-306 and SH-46 east corridor subdivisions, the dominant attic problem isn’t age - it’s disturbance. HVAC and solar contractors who come through after the builder blow R-30 leave it settled and trampled into effective R-values in the low 20s in homes that are only 5-8 years old. A top-up to R-49-60, with proper baffles installed so the soffit vents stay clear, typically runs $1,800-$3,200 for a 2,000-square-foot home. We air-seal first, always.

Attic Insulation Replacement
When insulation has been contaminated by rodent activity, water damage from roof leaks, or severe compression from repeated trade traffic, removal and replacement is the honest recommendation. We vacuum out the old material, seal every penetration, then install new blown-in to full depth. Replacement jobs in New Braunfels typically range $3,200-$5,800 depending on attic square footage and the extent of air sealing required. You receive a Documented Photo Record of the empty attic, the sealed attic, and the finished installation.

Attic Baffles & Ventilation Prep
Missing or crushed baffles at the soffit vents are epidemic in New Braunfels’s fast-built subdivisions. The blow-in pile blocks airflow, the attic overheats past 140°F in July and August, and the HVAC system never gets a break. We install proper rafter baffles before any new insulation goes in, ensuring the ventilation channel stays open from soffit to ridge. This is not optional work for us. It’s prerequisite.

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.
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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 New Braunfels
We source materials from Owens Corning, Johns Manville, and Knauf - no proprietary product lock-in, no brand exclusivity claims we can’t back up. For New Braunfels homeowners, this means we specify the right product for the actual condition of your attic, not whatever our distributor is pushing this quarter. Owens Corning blown-in fiberglass is our standard for R-49-60 top-ups in production homes; Knauf batts for the specialty cuts older structures need. We keep common depths and densities in regional inventory, so most New Braunfels jobs don’t wait on material delivery.
Common Attic Insulation Problems We See in New Braunfels Homes

- Builder-grade R-30 compressed to R-20 by follow-on trades. In the subdivisions along FM-306 and SH-46, HVAC and solar crews walk through attics repeatedly after the builder’s insulation crew left. The material packs down, scatters, and leaves bare decking around mechanicals. The homeowner pays for a 2019 home with 2009-level attic performance.
- Blocked soffit vents from missing baffles. Fast construction means baffles get skipped or crushed. The insulation pile dams against the soffit, attic temperatures spike, and the HVAC runs continuously through August. We’ve measured attic air temperatures of 147°F in these homes.
- Unsealed top plates and HVAC chases leaking conditioned air. Production builders in New Braunfels’s 2010s boom rarely detailed air sealing at the attic floor. Conditioned air escapes year-round, and when a hard freeze like February 2021’s Uri event hits, there’s almost no thermal protection in the wall cavities and chases.
- Sweating flex duct in disturbed insulation. When the insulation around a supply plenum gets walked down to bare decking, the cold duct surface hits 140°F attic air and condenses. Water drips into compressed fiberglass. Mold follows. We see this pattern repeatedly in two-story homes near the SH-46 corridor.
Pricing for Attic Insulation in New Braunfels, TX
Here’s what attic insulation actually costs in the New Braunfels market, based on the 2,000-2,800 square foot production homes that dominate here:
| Service | Typical Range |
|---|---|
| Attic air sealing + blown-in top-up to R-49 | $1,800 - $3,200 |
| Attic air sealing + blown-in to R-60 | $2,400 - $4,200 |
| Full insulation removal + replacement to R-49 | $3,200 - $5,200 |
| Full insulation removal + replacement to R-60 | $3,800 - $5,800 |
| Baffle installation and ventilation prep (add-on) | $400 - $800 |
What moves the number: attic square footage, current insulation condition, accessibility, and the extent of air sealing required. A home with trampled R-30 and no air sealing needs more labor than one with intact material and sealed top plates. We measure everything before quoting. Under Haven Standard Clause 1, you get a flat written price - no per-bag upsells, no “we found more than expected” surprises. Bring us any competing written estimate; we offer a Free Second Opinion and will read it with you line by line.
Call (737) 227-6219 for your exact quote. Estimates are free, and most New Braunfels homeowners have their written price within 48 hours of calling.
We Also Serve Cities Near New Braunfels

Our crews work throughout the corridor - New Braunfels is our core market, and we also serve Seguin, Cibolo, Schertz, and Canyon Lake with the same written-price-first protocol and documented photo record on every job. Dispatch and scheduling are coordinated from our San Antonio office.
Serving New Braunfels, TX - Our Local Coverage Area
We’re based in the New Braunfels 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 New Braunfels

Because the builder’s R-30 was likely blown to minimum IECC code and then trampled by HVAC, solar, and cable crews who came through afterward. In the SH-46 east corridor subdivisions, we regularly measure effective R-values in the low 20s in homes that are only 5-8 years old. The insulation isn’t old; it’s been disturbed. Call (737) 227-6219 and we’ll measure what you actually have versus what was specified.
R-49 to R-60 is the target for New Braunfels’s climate zone 2/3 boundary, especially with cooling seasons that push attic air past 140°F and force near-continuous HVAC operation in July and August. Builder-grade R-30 was never adequate for this thermal load; the Hill Country heat proves it every summer. We specify to R-49 minimum, R-60 for homes with complex rooflines or west-facing exposures.
A top-up works if the existing material is clean, dry, and merely compressed - not contaminated by moisture, rodent activity, or oil-based debris. We inspect first. In most New Braunfels 2010s production homes, the R-30 is compressed but clean, so we air-seal over it and blow new Owens Corning fiberglass to full R-49-60 depth. If removal is honestly necessary, we’ll show you the photos and explain why. Call (737) 227-6219 for an inspection and written price either way.
It helps significantly, but only if air sealing is done first. The February 2021 Uri event exposed how little thermal protection builder-grade wall and chase insulation provides. Sealed top plates and properly insulated attic floors slow heat loss through the ceiling, which protects pipes in interior walls and reduces the risk of freeze damage in future hard-freeze events. Insulation alone without sealing is incomplete; we don’t do incomplete work.
Our standard scope for these homes: blower-door test to establish baseline air leakage; air sealing of top plates, can lights, and HVAC chases; installation of rafter baffles at every soffit vent; blown-in Owens Corning fiberglass to R-49-60 settled depth; final blower-door test to verify improvement; and a Documented Photo Record delivered before we leave. The 365-Day Done Right Promise applies to all completed work. Most jobs finish in one day.
Ready for your written price? Call (737) 227-6219 - a live person answers 24/7, and most New Braunfels homeowners have their estimate within 48 hours. Estimates are free. Documentation is included. Work starts only after you’ve reviewed and approved a flat written price.
Written by Wes Okafor, Owner at Envelope Insulation Co., serving New Braunfels since 2016 under The Haven Standard.