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Spray Foam Insulation in Liberty Hill, TX (78642) · Local Professionals

Austin Spray Foam Insulation · Fast response in Liberty Hill and the Austin area · Free estimate 24h

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Liberty Hill sits on the limestone ridge where the Texas Hill Country drops toward the Blackland Prairie, and the acreage here runs barndominiums, metal shops, and ranch buildings that demand serious insulation and air sealing to stay comfortable year-round. Whether you are in a newer metal structure, a barndominium with vaulted ceilings, or an older ranch home on acreage, the summer heat and winter cold swings hit hard, and uncontrolled attics and metal walls sweat and leak energy fast.

Austin Spray Foam Insulation has been serving Liberty Hill and the surrounding Austin area since 2012. We know the building stock here, the limestone and clay ground, the way metal buildings and open-concept barndominiums behave without closed-cell foam, and what it takes to seal a property tight so your heating and cooling actually stays inside.

Spray Foam Insulation in Liberty Hill (78642)

Liberty Hill's mix of acreage, barndominiums, and metal agricultural buildings creates distinct insulation challenges. Metal structures without closed-cell spray foam sweat in humid weather and radiate heat in summer like an oven. Barndominiums with vaulted ceilings and open floor plans lose conditioned air through uninsulated walls and rim joists. Older ranch homes on the property often have attics where ductwork runs through uncontrolled space that hits 140 to 160 degrees on a 100-degree summer day, and that heat transfer drives cooling bills sky-high. Crawl spaces under pier-and-beam homes collect humidity and dust, and the rim joists around the perimeter leak both heat and air.

Our team has sprayed closed-cell foam on metal buildings and barndominiums, sealed attics and vaulted ceilings, injected foam into closed walls, and air-sealed rim joists and band joists across Liberty Hill. We show up with the right equipment, the right crew, and the knowledge of what works in this specific climate and building type.

Our services in Liberty Hill

How a Job Works in Liberty Hill

We start with a free on-site assessment. You walk us through the problem: a room that never cools, a metal building that sweats, an attic that's become unaffordable to condition, or insulation that has gotten wet or fouled and needs to come out. We measure the space, look at what's already there, and explain what spray foam will do and what it costs. We give you a written estimate with the R-value and thickness specifications, so you know exactly what you are paying for and what the energy code requires at your address.

On job day, we set up mechanical ventilation to pull fumes away from occupied spaces. We spray the foam at the manufacturer's specified ratio and drum temperature, controlling thickness pass by pass. If old insulation has to come out first, we remove it, haul it, and leave the substrate clean and dry before we spray. We do not spray over wet, contaminated, or compromised material, period. Once the foam cures, we clean up completely and walk you through the finished work.

Occupied homes stay occupied. The re-entry window is typically twenty-four to forty-eight hours. We coordinate around your schedule, your family, and any other trades working on the property. When the work is done, your property is clean and ready to use.

Attic spray foam in Liberty Hill typically runs from $1.50 per square foot for open-cell foam to $1.20 per board foot for closed-cell, depending on thickness and R-value. A metal building or barndominium roof deck often calls for closed-cell foam starting at $1.75 per square foot. Wall injection foam for closed cavities runs from $2.00 per square foot. Crawl space work starts at $2,500 and goes up with the square footage and the condition of the space. Rim joist and band joist sealing starts at $650. If old insulation has to come out first, removal starts at $950, and re-insulation of a compromised attic typically runs $2,800 and up. The final price depends on the area to cover, the R-value and thickness you need, whether you choose open or closed cell, what existing material has to be removed, and how easy or tight the access is. Call us at (737) 404-4885 for a free estimate. We will measure your space, explain what makes sense, and give you a firm price before we start.

✅ Written Estimates with R-Value & Thickness Specs, fully insured for work in Liberty Hill and nearby areas.

I have a metal building on my Liberty Hill property. Why does it sweat and get damp in humid weather, and how does closed-cell foam fix it?
Metal conducts heat and cold directly. When humid outside air hits the cold metal skin in summer, or when warm inside air meets cold metal in winter, moisture condenses on the underside like a cold glass of water. Closed-cell spray foam adheres to the metal, creates an air seal, and stops that temperature swing. The foam also acts as a vapor barrier, so the metal stays dry. No more dripping condensation, no more rust, and the building stays conditioned without fighting the metal itself.
My barndominium has a vaulted ceiling and the bedroom upstairs gets hot in summer no matter what the AC does. What is the problem?
Vaulted ceilings run ductwork and often have an attic or dead space above them that is not conditioned and not sealed. Heat radiates through the drywall, and air leaks around the ductwork and through rim joists at the top of the walls. Spray foam in the attic space above the vault, plus air sealing around the rim joists, stops the heat transfer and the air leakage. The room will cool down and stay cool. Call us at (737) 404-4885 to walk through the space and size the job.
How much does it cost to spray foam an attic in Liberty Hill?
Attic foam starts at $1.50 per square foot for open-cell foam. Closed-cell runs higher but gives better moisture control and higher R-value per inch. A typical 1,200 square foot attic with open-cell foam to R-38 or R-49 might run $1,800 to $2,400, but the actual price depends on the attic layout, access, what has to be removed first, and the R-value the energy code requires at your address. Call (737) 404-4885 with your square footage and we will give you a realistic ballpark.
Who decides what R-value and thickness I need in my Liberty Hill attic, and who inspects it?
The energy code in force at your address sets the minimum R-value. The building official at the City of Liberty Hill or your local jurisdiction enforces it. The code also governs the ignition barrier and thermal barrier requirements for spray foam. These rules vary by city and by the age of your home, so the first step is to contact your local building department or ask us to help you understand what applies. We will give you a written estimate with the R-value and thickness specified so you know what we are installing and why. The building official inspects the finished work if a permit is required.
I have an older ranch home on acreage in Liberty Hill with a crawl space under it. It is damp and dusty. Do I need to encapsulate it completely, or is spray foam enough?
Full crawl space encapsulation is a separate trade with its own vapor barrier, dehumidification, and sump pump work. We handle the insulation part: spray foam on the rim joists, band joists, and the underside of the floor system stops heat loss and air leakage. If your crawl space has standing water, active leaks, or serious moisture problems, those have to be fixed first or we walk away. If the space is dry or damp but not flooded, foam on the rim and band joists plus air sealing typically runs $2,500 and up. Call (737) 404-4885 to assess the space.
Are you insured if something goes wrong during the spray foam job at my Liberty Hill home?
Yes. We are fully insured with general liability and workers' compensation coverage. Our crew is protected and your property is protected. Before any work starts, we will provide proof of insurance. If you have specific insurance questions or your homeowners policy has requirements, let us know and we will work with you.
It is June and my cooling bill is out of control. Is this the right time to spray foam my attic in Liberty Hill?
Summer is actually the busiest season for us because homeowners feel the pain of uncontrolled attics in 100-degree heat. We can fit you in, but the wait may be a few weeks. If you want faster turnaround, late fall through early spring is lighter. That said, if your bill is already high in June, spraying the attic before next summer will save you money. Call (737) 404-4885 now to schedule an estimate and get on the calendar. Even if the work happens in fall, you will have a sealed, insulated attic before the next heat wave.
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Our services

Our Spray Foam Insulation Services in Austin

All your work handled by qualified professionals in Austin

Attic Spray Foam Insulation

Sealed attics that pull Austin ductwork in out of 150-degree heat

Included in your service

  • Open-cell foam on the roof deck; never just piled on the attic floor
  • Ductwork and attic water lines brought inside the envelope before the next hard freeze
  • Target R-value and thickness per pass written into the estimate
  • Gable and ridge details closed properly for a Central Texas attic
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Closed Cell Spray Foam Insulation

Two-pound foam for August heat and the occasional hard freeze

Included in your service

  • R-6.5 per inch with its own built-in vapor retarder
  • The right call for Hill Country barndominiums and Hyde Park subfloors
  • Racked in controlled passes; never one thick lift
  • Depth gauged at the wall because a thin pass fails the first hard freeze
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Open Cell Spray Foam Insulation

The friendlier board foot for Austin attics and interior walls

Included in your service

  • Half-pound foam that air-seals at a lower cost per board foot
  • Sound dampening for bedrooms; home offices and media rooms
  • Where a metal building or raised floor calls for closed cell; we say so
  • Shaved flush to the framing and the offcuts bagged out
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Wall & Injection Foam Insulation

Closed walls filled without opening up an Allandale ranch

Included in your service

  • Small ports drilled along a mortar joint or under a siding course; then plugged and patched
  • Built for 1950s-60s ranches behind brick and limestone veneer
  • Priced room by room so you can start with the west-facing one
  • Every cavity probed for fill rather than assumed full
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Crawl Space Spray Foam Insulation

Pier-and-beam undersides sealed against cold floors and humid air

Included in your service

  • Closed cell on the subfloor and the skirting
  • Common work on Hyde Park; Travis Heights and East Austin bungalows
  • Standing water and drainage fixed first or we decline the job
  • Full encapsulation and foundation leveling referred out; the insulation is ours
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Rim Joist & Band Joist Spray Foam

The small job that finally fixes the room over the garage

Included in your service

  • Cantilevers and band joists sealed bay by bay on slab-built homes
  • No basements here; it is bonus-room floors and pier-and-beam rims that leak
  • Half a day on site and felt the same evening
  • Gun-applied into framing gaps a batt has never reached
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Garage Spray Foam Insulation

Turning an Austin garage oven into square footage you can use

Included in your service

  • Ceiling bays under bonus rooms filled and shaved flush
  • Walls shared with the house sealed against radiant afternoon heat
  • Workshop conversions specified around the tools you actually run
  • The door header and slab edge addressed; not stepped over
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Metal Building & Barndominium Spray Foam

The insulation that stops a Hill Country barndominium from sweating

Included in your service

  • Closed cell straight to the underside of the roof panels
  • Liberty Hill; Dripping Springs; Bastrop and Elgin barndominiums and shops
  • Condensation control settled before R-value is even discussed
  • Purlins and fastener lines sealed; not sprayed around
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Commercial & New Construction Spray Foam

Austin warehouses and production builds kept on their own schedule

Included in your service

  • Shells and warehouses from east Travis County to the Taylor and Hutto corridor
  • Code-compliant assemblies documented for your inspector
  • Phased around occupied floors and the Central Texas build calendar
  • Ignition and thermal barrier requirements settled up front
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Insulation Removal

In an Austin attic the old comes out before anything new goes in

Included in your service

  • Vacuumed straight to the truck and bagged; never buried
  • Insulation soaked by a burst attic pipe removed before it molds
  • Vermiculite flagged for testing and left undisturbed
  • The usual first step on 1950s-60s Crestview; Brentwood and Allandale ranches
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Insulation Replacement & Re-Insulation

A full reset for Austin attics twenty years past their job

Included in your service

  • Removal; air sealing and new foam handled as one scope
  • For material left flattened or soaked by a burst pipe or roof leak
  • Built to current code R-values; not to what was there in 1978
  • One crew and one price with no handoff between trades
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Air Sealing

The cheapest comfort fix in an Austin house and it comes first

Included in your service

  • Top plates; wiring chases; can lights and the attic hatch
  • Sealed before insulating so the R-value can actually perform
  • Thermal camera images before and after on a 100-degree afternoon
  • Priced as its own job; never bundled in to pad a quote
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