Insulation in Brushy Creek, TX
Crawl space encapsulation and vapor barrier installation in Brushy Creek typically runs $2,800-$6,500 for most homes, with full encapsulations on larger crawl spaces reaching the upper end. We’re Envelope Insulation Co., and we treat every Brushy Creek job as a building-envelope project first - sealed, then insulated, with a written price before any work starts. Call (737) 245-6428 for a free estimate and we’ll send a technician with a moisture meter and a camera.
Why Brushy Creek Homes Are Different
Brushy Creek is almost entirely a product of one suburban build-out wave - roughly 1985 through 2005 - meaning the vast majority of homes share the same original builder-grade insulation installed to the era’s minimal Texas energy codes. Now hitting 20-40 years old, that original blown fiberglass in attics has settled significantly and the standard R-13 wall batts are well below current IECC requirements, creating a concentrated, neighborhood-scale retrofit market unlike older cities with more varied housing vintages.
These homes almost universally have HVAC equipment and ductwork located in unconditioned attics, making attic insulation depth and air sealing the dominant issue in virtually every job. In subdivisions like Cat Hollow and Brushy Creek Village, the original 1990s attic insulation was typically blown to R-19 or R-22 - well short of today’s recommended R-38 to R-60 - and years of attic foot traffic around HVAC units have compressed and displaced it further. Summer attic temperatures here routinely exceed 150°F, and the February 2021 Winter Storm Uri exposed how thin the thermal envelope remains when a hard freeze hits.
Our Main Brushy Creek Services
Most Brushy Creek homeowners who call us start with attic work or spray foam. Here is what those jobs involve locally.
Attic Insulation in Brushy Creek
Attic insulation in Brushy Creek means addressing settled blown fiberglass and compressed batts in 1,800-3,200 square-foot tract homes with ductwork overhead. We measure existing depth, identify HVAC traffic damage, and specify new material - often Knauf or Owens Corning blown-in - to reach R-38 or better. Every attic job includes air sealing of top plates and penetrations before insulation goes in. Attic Insulation in Brushy Creek covers our full process and pricing.

Spray Foam Insulation in Brushy Creek
Spray foam in Brushy Creek attics and rim joists creates an air-impermeable thermal boundary, critical in Climate Zone 2A where cooling loads dominate. We use open-cell foam for attic floors and closed-cell for crawl space walls and rim joists, sourced from Icynene and Demilec. The blower-door test before and after shows the actual air-leakage reduction. Spray Foam Insulation in Brushy Creek has full details.

Blown-In Insulation in Brushy Creek
Blown-in insulation is the most common retrofit for Brushy Creek’s settled attics - fiberglass or cellulose from GreenFiber installed over sealed air barriers to reach consistent depth across irregular joist bays. We avoid blowing over unsealed top plates or can lights, which would bury leaks rather than fix them. Blown-In Insulation in Brushy Creek explains material options and coverage.

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.
Crawl Space Encapsulation & Vapor Barrier in Brushy Creek

Brushy Creek’s 1990s-2000s slab-on-grade and pier-and-beam homes were built with minimal crawl space moisture control - typically a thin 6-mil poly sheet, if anything, over bare earth. In Climate Zone 2A’s humid summers, that ground moisture migrates upward through the crawl space, raising indoor humidity, promoting mold on floor joists, and forcing the HVAC to work harder. A proper Crawl Space Encapsulation & Vapor Barrier installation seals that moisture pathway and protects the structural members that the rest of the house sits on.
Crawl Space Vapor Barrier
Signs you need it
You smell mustiness indoors, see condensation on ductwork in the crawl space, or find mold spotting on floor joists during routine HVAC service.
What it costs in Brushy Creek
A ground-only vapor barrier in a Brushy Creek crawl space typically runs $1,200-$2,800 depending on square footage and pier density.
How we do it
We remove old poly, grade the earth, seam-seal 12-20 mil reinforced polyethylene across the entire floor, and seal all perimeter edges and pier wraps with tape and mastic.
Crawl Space Encapsulation
Signs you need it
Your crawl space has standing water after rains, insulation falling from the joists, or hardwood floors cupping from below - all indicating uncontrolled moisture and air exchange.
What it costs in Brushy Creek
Full encapsulation with sealed walls, dehumidifier, and conditioned air supply in Brushy Creek generally falls between $4,500 and $8,500 for homes in the 1,800-3,000 square-foot range.
How we do it
We install wall insulation if needed, apply closed-cell spray foam to rim joists, seal the vapor barrier up the walls to a termination strip, and add a dedicated dehumidifier with a condensate pump to maintain 50-55% relative humidity.
What Crawl Space Encapsulation & Vapor Barrier Costs in Brushy Creek
| Item | Typical range in Brushy Creek |
|---|---|
| Ground vapor barrier only | $1,200 - $2,800 |
| Full encapsulation with dehumidifier | $4,500 - $8,500 |
| Rim joist spray foam add-on | $800 - $1,600 |
How long does crawl space encapsulation take in Brushy Creek?
Most Brushy Creek encapsulations take 2-3 days: one day for prep and barrier installation, one for wall sealing and dehumidifier setup, and a half-day for final inspection and documentation. Call (737) 245-6428 to schedule - estimates are free.
Will encapsulation fix my musty smell?
Yes, when the source is ground moisture - sealing the vapor pathway and controlling humidity eliminates the conditions that produce musty odors. Call (737) 245-6428 and we’ll verify the source with a moisture meter before quoting.
Radiant Barrier Installation in Brushy Creek

Brushy Creek’s 150°F summer attic temperatures radiate heat downward through the ceiling plane, forcing air conditioners to cycle longer and ductwork in unconditioned attics to absorb that heat before conditioned air ever reaches the rooms below. A radiant barrier - typically foil-faced sheathing or draped foil installed to the underside of roof decking - reflects that infrared energy rather than absorbing it, reducing attic radiant heat gain by 20-40% in our Climate Zone 2A measurements. Radiant Barrier Installation is often the most cost-effective cooling-load reduction for homes with adequate insulation depth but no reflective surface.
Attic Radiant Barrier
Signs you need it
Your upstairs rooms stay hot past 10 PM, your AC runs continuously on summer afternoons, or your ductwork feels hot to the touch inside the attic.
What it costs in Brushy Creek
Draped foil radiant barrier installed across attic rafters in a typical Brushy Creek home runs $1,400-$2,800.
How we do it
We staple perforated aluminum foil across the rafter bottoms, maintaining a 3/4-inch air gap above and below, and cut around vents and electrical penetrations without compressing the material.
Radiant Barrier Roof Deck
Signs you need it
You’re re-roofing or building an addition and want the barrier integrated at the deck level rather than retrofitting foil into an existing attic.
What it costs in Brushy Creek
Foil-faced roof decking or spray-applied radiant coating during re-roof in Brushy Creek typically adds $1.80-$3.20 per square foot of roof plane.
How we do it
We specify OSB with factory-applied radiant foil or spray a low-emissivity coating directly to the roof deck underside, then document the reflectance value with a meter reading in your job file.
What Radiant Barrier Installation Costs in Brushy Creek
| Item | Typical range in Brushy Creek |
|---|---|
| Draped foil, existing attic | $1,400 - $2,800 |
| Foil-faced deck, re-roof | $1.80 - $3.20/sq ft |
| Radiant barrier + attic air sealing | $2,200 - $4,000 |
Does radiant barrier work with my existing insulation?
Yes - it complements insulation by addressing radiant heat, which fiberglass and cellulose do not block effectively; the two work together for maximum attic thermal control. Call (737) 245-6428 for a free assessment of your current setup.
Will radiant barrier help my ducts?
Indirectly, by lowering attic air temperature 20-30°F, which reduces the heat gain your flex ducts absorb between the air handler and the rooms below. Call (737) 245-6428 and we’ll measure your duct surface temperature during the estimate.
Insulation Removal & Replacement in Brushy Creek

Twenty to forty years of Texas heat cycles, rodent activity, and HVAC technician foot traffic have left much of Brushy Creek’s original attic insulation compressed, contaminated, or displaced - particularly near air handlers where access paths were worn through the material. Removing that degraded layer before installing new insulation is the only way to achieve consistent R-value and avoid trapping odors, droppings, or moisture beneath fresh material. Insulation Removal & Replacement is often paired with air sealing in our Brushy Creek jobs, since the attic floor is fully exposed.
Attic Insulation Removal
Signs you need it
Your insulation is visibly compressed below the joist tops, has dark staining from past roof leaks, or shows evidence of rodent trails and nesting material.
What it costs in Brushy Creek
Removal of existing blown or batt insulation from a Brushy Creek attic typically runs $1.50-$3.00 per square foot, with most homes falling between $1,800 and $3,600.
How we do it
We use commercial vacuum collection into sealed bags, HEPA-filtered exhaust, and protective floor covering through the house, then inspect the deck for leaks or damage before any new material goes in.
Contaminated Insulation Removal
Signs you need it
You’ve had a roof leak that soaked insulation, found rodent droppings during HVAC service, or smell urine when the attic access is opened.
What it costs in Brushy Creek
Contaminated removal with sanitizing and deodorizing in Brushy Creek adds $0.80-$1.50 per square foot to base removal, typically totaling $2,400-$5,000.
How we do it
We treat affected areas with enzyme-based sanitizer after vacuum removal, apply odor neutralizer to the deck and joists, and document the condition with photos before and after - part of every job’s photo record.
What Insulation Removal & Replacement Costs in Brushy Creek
| Item | Typical range in Brushy Creek |
|---|---|
| Standard attic removal | $1,800 - $3,600 |
| Contaminated removal + sanitize | $2,400 - $5,000 |
| Removal + replacement to R-38 | $3,500 - $6,500 |
Do I have to leave during removal?
No - our equipment vents outside and we isolate the work zone, though we recommend stepping out for 2-3 hours during the noisiest vacuum phase. Call (737) 245-6428 and we’ll coordinate timing around your schedule.
Can you remove insulation with asbestos?
We do not handle asbestos-containing material - if your home was built before 1985, we’ll arrange certified testing before quoting, and refer abatement to a licensed specialist if needed. Call (737) 245-6428 to discuss your home’s vintage and materials.
Attic Air Sealing in Brushy Creek

Brushy Creek’s 1990s-2000s homes were built with minimal attention to the attic floor as an air barrier - top plates between stud bays were left open, can lights cut into the ceiling plane without gaskets, and duct boots sealed with tape that has long since failed. Those leaks pull conditioned air upward in summer and allow hot, humid attic air to pressurize downward when wind blows across the roof, making the HVAC work harder than the insulation R-value alone would suggest. Attic Air Sealing is the prerequisite step we never skip - per the Haven Standard, we seal first, then insulate.
Top Plate & Penetration Sealing
Signs you need it
You feel drafts from ceiling fixtures, see dust streaks around ceiling edges, or your blower-door test shows excessive leakage despite adequate insulation depth.
What it costs in Brushy Creek
Sealing top plates, wire penetrations, and plumbing stacks in a typical Brushy Creek attic runs $800-$1,800.
How we do it
We foam-seal every top plate joint, caulk around electrical and plumbing penetrations, and install fire-rated foam or intumescent sealant where codes require - then retest with the blower door to verify reduction.
Can Light & Duct Boot Sealing
Signs you need it
Your can lights flicker in wind, you feel conditioned air escaping around fixture rims, or thermal imaging shows hot spots directly above ceiling registers.
What it costs in Brushy Creek
Sealing can lights with pre-formed covers and mastic-sealing duct boots in Brushy Creek typically adds $400-$900 to a standard air-sealing job.
How we do it
We install fire-rated covers over IC and non-IC cans, seal with latex foam, and apply mastic - not tape - to every duct boot and flex connection, then pressure-test the duct system if accessible.
What Attic Air Sealing Costs in Brushy Creek
| Item | Typical range in Brushy Creek |
|---|---|
| Top plate & penetration sealing | $800 - $1,800 |
| Can light & duct boot sealing | $400 - $900 |
| Full attic air sealing package | $1,400 - $2,800 |
How much does air sealing really help?
Our blower-door tests in Brushy Creek typically show 25-40% leakage reduction after proper attic air sealing, which translates directly to lower HVAC runtime and more consistent room temperatures. Call (737) 245-6428 for a pre-work test and written scope.
Can you seal without adding insulation?
Yes - we perform air sealing as a standalone service, though we recommend verifying that your existing insulation depth is adequate before we cover the sealed deck with new material. Call (737) 245-6428 and we’ll measure both.
Wall Insulation in Brushy Creek

Brushy Creek’s original R-13 fiberglass batts in exterior walls - standard for 1990s Texas construction - perform below current IECC R-20 recommendations and leave significant thermal bridging through studs every 16 inches. Because these homes were not built with continuous exterior insulation, the only practical retrofit is dense-pack injection or drill-and-fill from the interior or exterior, upgrading the cavity fill without removing drywall. Wall Insulation in Brushy Creek is most commonly requested after homeowners experience Winter Storm Uri-level cold penetration or want to reduce summer heat gain through west-facing walls.
Injection Foam Wall Insulation
Signs you need it
Your west and south walls feel hot to the touch in afternoon sun, or you can feel outdoor temperature through interior walls within minutes of thermostat changes.
What it costs in Brushy Creek
Dense-pack injection foam in Brushy Creek exterior walls runs $3.50-$6.00 per square foot of wall area, with typical two-story homes ranging $4,500-$8,500.
How we do it
We drill 2-inch holes at stud-bay intervals, inject slow-rise foam to fill without bowing drywall, patch with matching texture, and provide before-and-after thermal images showing cavity fill completeness.
Drill & Fill Wall Insulation
Signs you need it
Your walls have no insulation or settled batts with gaps at the top and bottom of cavities, verified by infrared camera or removal of an outlet cover.
What it costs in Brushy Creek
Drill-and-fill with blown fiberglass or cellulose in Brushy Creek walls typically costs $2.50-$4.50 per square foot, or $3,200-$6,000 for a complete home.
How we do it
We drill at the top and bottom of each bay, blow material to verified density using a tube-fill method, and patch with minimal intrusion - usually one day for a full house with two technicians.
What Wall Insulation Costs in Brushy Creek
| Item | Typical range in Brushy Creek |
|---|---|
| Injection foam, full exterior walls | $4,500 - $8,500 |
| Drill & fill blown insulation | $3,200 - $6,000 |
| Single wall (west or south exposure) | $1,200 - $2,400 |
Will wall insulation damage my drywall?
We drill 2-inch holes that we patch and texture-match; in most Brushy Creek homes with standard orange-peel or knockdown texture, the repair is invisible after painting. Call (737) 245-6428 and we’ll show you patch samples from recent jobs.
Can you insulate walls from outside?
Yes on brick-veneer homes - we remove a row of weep-hole bricks, drill through the sheathing, and reinstall; this avoids any interior disruption but requires weather-dry conditions. Call (737) 245-6428 to assess your home’s exterior suitability.
Attic Cleaning & Rodent Proofing in Brushy Creek

Brushy Creek’s mature oak canopy and established neighborhoods create sustained rodent pressure, and attics with settled, compressed insulation offer ideal nesting material - particularly in homes with original 1990s blown fiberglass that has created loose, tunnel-friendly depths near eaves. Rodent activity compromises insulation R-value, introduces biohazards, and creates entry points for future infestation if not addressed with exclusion as well as cleanup. Attic Cleaning & Rodent Proofing in Brushy Creek always includes both: remove the contamination, seal the access paths.
Attic Cleanout & Sanitizing
Signs you need it
You hear scratching at night, find droppings in the attic or ceiling fixtures, or smell ammonia when the HVAC runs - all indicating active or recent rodent occupation.
What it costs in Brushy Creek
Attic cleanout with HEPA vacuum, enzyme sanitizing, and deodorizing in Brushy Creek typically runs $1,200-$2,800 depending on contamination extent and attic square footage.
How we do it
We remove all contaminated insulation and debris, HEPA-vacuum the deck and joists, apply enzyme treatment and odor neutralizer, and document with photos before any new material is considered.
Rodent Proofing & Exclusion
Signs you need it
You’ve had recurring rodent issues despite trapping, or can see gaps around roof penetrations, fascia boards, or where utilities enter the structure.
What it costs in Brushy Creek
Comprehensive rodent exclusion with metal flashing, hardware cloth, and sealant in Brushy Creek runs $800-$2,200 for a typical single-story home.
How we do it
We inspect every roof and foundation penetration, install 1/4-inch hardware cloth over vents, flash gaps with galvanized metal, and seal with rodent-proof foam and cement - then provide a written warranty on our exclusion work.
What Attic Cleaning & Rodent Proofing Costs in Brushy Creek
| Item | Typical range in Brushy Creek |
|---|---|
| Attic cleanout & sanitize | $1,200 - $2,800 |
| Rodent proofing & exclusion | $800 - $2,200 |
| Cleanout + exclusion + new insulation | $3,500 - $7,500 |
Do you trap rodents or just seal?
We partner with licensed wildlife control for active trapping if needed, then perform permanent exclusion and cleanup - we do not set traps ourselves, but we coordinate the handoff so you’re not scheduling multiple companies. Call (737) 245-6428 and we’ll explain the sequence.
How do I know they’re gone before you seal?
We verify no active signs - fresh droppings, gnawing, or tracks - during our inspection, and recommend a 48-hour monitoring period with traps set by wildlife control before we permanently seal entry points. Call (737) 245-6428 to schedule the inspection.
Home Energy Audit in Brushy Creek

A home energy audit in Brushy Creek reveals the specific failure modes hidden in the 1990s-2000s build quality - thermal bypasses at top plates, duct leakage in 150°F attics, and moisture migration from crawl spaces that standard HVAC service calls never address. Our audit protocol combines blower-door testing, thermal imaging, and combustion safety checks to produce a prioritized scope with actual numbers, not generic recommendations. Home Energy Audit results in Brushy Creek typically show 30-50% more air leakage than comparable new construction, with the attic floor and duct system accounting for most of it.
Blower Door Test
Signs you need it
Your energy bills are 30% higher than neighbors with similar homes, rooms vary by more than 5°F, or you’re considering insulation work and want a baseline before spending.
What it costs in Brushy Creek
A standalone blower-door test with written report in Brushy Creek runs $350-$550; when bundled with thermal imaging and duct testing, $550-$850.
How we do it
We install a calibrated fan in an exterior door, depressurize the house to 50 Pascals, measure CFM50 leakage, and use smoke pencils and thermal imaging to locate the dominant leak paths while the house is under test.
Thermal Imaging Inspection
Signs you need it
You suspect missing insulation in walls, want to verify ice dam risk patterns before winter, or need documentation for an insurance or real estate transaction.
What it costs in Brushy Creek
Thermal imaging alone runs $250-$400 in Brushy Creek; as part of a full audit, it’s included in the bundled price above.
How we do it
We scan every exterior wall, ceiling, and foundation intersection with a FLIR camera, noting Delta-T readings and marking thermal anomalies on floor plans for your permanent record.
What Home Energy Audit Costs in Brushy Creek
| Item | Typical range in Brushy Creek |
|---|---|
| Blower-door test with report | $350 - $550 |
| Full audit (blower door + thermal + duct) | $550 - $850 |
| Audit credit applied to work | 100% of audit fee |
How long does an energy audit take?
Plan on 2.5-4 hours for a full Brushy Creek audit, including setup, testing, interior and exterior inspection, and a preliminary walkthrough of findings; the written report follows within 48 hours. Call (737) 245-6428 to book - we dispatch from our Austin office and serve Brushy Creek directly.
Will the audit tell me what to fix first?
Yes - your report ranks findings by cost-effectiveness and comfort impact, with itemized pricing for each measure so you can phase work according to budget. Call (737) 245-6428 and we’ll explain how the priority matrix works before you schedule.
Brands We Service in Brushy Creek

We source insulation and air-sealing materials from Johns Manville, Knauf, Rockwool, and CertainTeed among others - no proprietary lock-in means we specify what’s right for your home’s condition and your budget. Most Brushy Creek jobs can be scheduled within a week of estimate approval, with materials pulled from local distribution. Our brands page lists full specifications and warranty terms.
Pricing for Insulation in Brushy Creek, TX
| Service | Typical range in Brushy Creek |
|---|---|
| Crawl space vapor barrier | $1,200 - $2,800 |
| Full crawl space encapsulation | $4,500 - $8,500 |
| Radiant barrier, draped foil | $1,400 - $2,800 |
| Attic insulation removal | $1,800 - $3,600 |
| Contaminated removal + sanitize | $2,400 - $5,000 |
| Attic air sealing package | $1,400 - $2,800 |
| Wall injection foam | $4,500 - $8,500 |
| Drill & fill wall insulation | $3,200 - $6,000 |
| Attic cleanout & sanitize | $1,200 - $2,800 |
| Rodent proofing & exclusion | $800 - $2,200 |
| Home energy audit, full | $550 - $850 |
| Blower-door test only | $350 - $550 |
Prices in Brushy Creek trend toward the higher end for homes over 3,000 square feet, pier-heavy crawl spaces, or contaminated material requiring extra handling. Every job begins with a written price before any work starts - Haven Standard Clause 1 - and we provide a Free Second Opinion on any written estimate you’ve already received.
Neighborhoods We Serve in Brushy Creek

We work throughout the Brushy Creek CDP and surrounding unincorporated areas, with most calls coming from these established subdivisions. Response time is typically same-day or next-day for estimates, with work scheduled within a week of approval.
- Cat Hollow
- Brushy Creek Village
- Forest North Estates
- Round Rock West (Brushy Creek address)
- Brushy Creek North
Service Area - Cities Near Brushy Creek
Our crews serve the full Brushy Creek area and surrounding communities from our Austin office, with local dispatch keeping drive times short. We also work in Cedar Park, TX, Leander, TX, Jollyville, TX, and Round Rock, TX - all within the same service radius with consistent pricing and the same Haven Standard documentation on every job.
Serving Brushy Creek, TX - Our Local Coverage Area
We’re based in the Brushy Creek 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 in Brushy Creek
Brushy Creek is an unincorporated CDP in Williamson County, so permits for insulation retrofit are generally not required for interior work; exterior wall insulation and crawl space modifications may need county review. We verify requirements before starting and include any permit coordination in your written scope.
We typically schedule estimates within 24-48 hours for Brushy Creek addresses, with work starting 3-7 days after estimate approval depending on material availability. A live person answers calls 24/7, so you can reach us evenings and weekends.
Most Brushy Creek HOAs regulate exterior appearance changes but not interior attic or crawl space work; we provide written scope documentation if your HOA requests details, and we coordinate exterior-access timing to minimize visibility. Ask about your specific subdivision when you call.
Ready to see what your home’s envelope is actually doing? Call (737) 245-6428 for a free estimate. We’ll bring a blower door, a thermal camera, and a written price before any work starts - that’s the Haven Standard, and it’s how we’ve handled 9,000+ homes since 2016.
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 same-day.
- 4You approve before work beginsNothing starts until you say go.
What Brushy Creek Customers Say
"Fixed price, clean work, and they hauled the old material away as agreed."
- Todd M."They photographed rodent damage in the old insulation that we had no idea about, and priced the exclusion work separately so we could decide."
- Harriet N."Turned up on time, protected the hallway, and the written scope matched what was actually done."
- Bruno S.