Fast, Reliable Blown-In Insulation Across Round Rock
Blown-in insulation in Round Rock typically costs $1.20-$2.80 per square foot of attic floor, with most complete attic jobs running $2,400-$5,800 for the tract homes that dominate this market. Our crews are dispatched from the Austin office and usually reach Round Rock properties within 45 minutes to an hour. Call (737) 245-6428 for a written price before any work starts.
We’ve worked in enough Round Rock attics to know the pattern: a 2004-built home in Forest Creek, a 2007 in Teravista, a 2010 in Mayfield Ranch - all originally insulated to the same pre-2001 Texas energy code minimum, all now showing the same compression, the same hot spots around hatches and can lights, the same ducts baking in 150°F attic air. Round Rock’s Dell-era boom created a housing stock that ages in unison, and that uniformity means we can be precise about what your attic needs and what it should cost.
Why Topside Attic Insulation Cedar Park Is Round Rock’s Preferred Blown-In Insulation Company
Our Blown-In Insulation team has completed jobs across Round Rock’s core subdivisions, from the narrow alley-load townhomes near Old Settlers Boulevard to the sprawling slab-on-grade tracts off University Boulevard. Homeowners in Round Rock leave reviews that mention specific details: the blower-door printout they kept, the photo record showing before and after, the technician who texted when he was ten minutes out.
Response time to Round Rock averages under an hour from dispatch. We know which subdivisions have HOA gate codes that expire at 5 PM, which streets flood in a hard rain, and where to park a blower truck without blocking a neighbor’s driveway. That local knowledge saves time on every job.
We don’t send a salesperson to “inspect” your attic and pressure you to sign. A technician arrives with a blower door, a camera, and a written scope. The price you get is the price you pay. Haven Standard Clause 1: flat price, written scope, written warranty before anyone lifts a tool.
Our Blown-In Insulation Services in Round Rock
Blown-In Cellulose
We install GreenFiber blown-in cellulose in Round Rock attics more often than any other material. Cellulose handles Round Rock’s thermal whiplash - 100°F July afternoons to 20°F February nights - better than fiberglass because it packs tighter around irregular framing and top plates. In Teravista, our crew topped up a builder-grade attic from its original R-30 fiberglass to R-49 with GreenFiber blown-in cellulose, using a Zonar remote and a low-clearance hose run through a side-yard gate because the two-car driveway was blocked by a parked truck. The homeowner’s July electric bill had spiked, and the attic was hitting 155°F; after the top-up plus sealing the air handler platform, the supply ducts stopped radiating heat before the air reached the vents. Most full cellulose jobs in Round Rock run $2,800-$5,200.
Blown-In Fiberglass
For homeowners who prefer fiberglass, we stock Knauf and CertainTeed loose-fill products with formaldehyde-free binders. Fiberglass works well in Round Rock’s newer construction with open attic planes and few obstructions. It’s lighter than cellulose, which matters in attics with raised-heel trusses or limited load capacity. A typical blown fiberglass top-up to R-38 in a 2,400-square-foot Round Rock attic runs $2,400-$4,200.
Dense-Pack Wall Insulation
Round Rock’s 1990s-2000s tract homes were built with empty stud cavities - no insulation in the walls at all. Dense-pack cellulose, blown at 3.5 pounds per cubic foot through access holes, fills those cavities without tearing out drywall. It’s the only practical way to insulate walls in a finished home. We dense-packed a full two-story in Mayfield Ranch last spring; the blower-door reading dropped from 3,800 CFM50 to 2,400. Dense-pack wall jobs in Round Rock typically range $3,500-$6,800 depending on wall area and access.
Blown-In Top-Up
This is our most common Round Rock service. Original R-30 fiberglass has settled to R-19 or lower. We remove debris, air-seal penetrations, then blow new material over the old. A top-up from R-19 to R-38 in a standard Round Rock tract attic runs $1,800-$3,400. Every top-up includes sealing the attic hatch, top plates, and any visible can-light penetrations before the blower starts.
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 Round Rock
We source blown-in materials from Knauf, CertainTeed, and Rockwool, among others - no proprietary lock-in, so we match the product to the job. For Round Rock’s hot vented attics, we often specify Knauf’s Jet Stream ULTRA fiberglass or CertainTeed’s InsulSafe SP where cellulose isn’t the right fit. Rockwool’s blown mineral wool handles fire-blocking and sound-dampening in townhome party walls. We keep common products stocked locally, so most Round Rock jobs don’t wait on material delivery.
Common Blown-In Insulation Problems We See in Round Rock Homes
- Settled builder-grade fiberglass. Original R-30 blown fiberglass in 1990s-2000s slab-on-grade tract homes settles and compresses unevenly, leaving low spots around attic hatches and recessed lights that bleed conditioned air into the 150°F+ attic. We measure the actual depth; “R-30” on the permit rarely matches what’s there in year twenty.
- Ducts baking in vented attics. HVAC air handlers and ductwork sit fully exposed in vented attics across subdivisions like Forest Creek and Mayfield Ranch, so even correctly installed blown-in insulation can’t stop duct heat gain on 100°F days. The insulation is doing its job; the duct location is the problem.
- Wind-wash from tight-access damage. Tight attic clearances and alley-load/townhome access in Round Rock’s denser pockets make it easy to knock insulation aside or leave baffles blocked during routine service, creating wind-wash and uneven coverage. We see this in townhomes near La Frontera and the older sections of Round Rock West.
- Post-Uri moisture and compression. February 2021 Winter Storm Uri drove moisture into attics across Round Rock as homeowners ran exhaust fans and bathroom vents continuously. That moisture compressed fiberglass in low spots and, in some attics, triggered mold on cellulose that hadn’t been properly treated with borate. We inspect for this on every pre-work walkthrough.
Pricing for Blown-In Insulation in Round Rock, TX
Most complete attic blown-in jobs in Round Rock run $2,400-$5,800. Top-ups from settled R-19 to R-38: $1,800-$3,400. Dense-pack wall insulation: $3,500-$6,800. What moves the number: attic square footage, current insulation depth, accessibility (steep roof pitch or tight scuttle adds labor), and whether air sealing is needed before blowing.
| Service | Typical Range in Round Rock |
|---|---|
| Blown-in cellulose, full attic to R-49 | $2,800-$5,200 |
| Blown-in fiberglass, full attic to R-38 | $2,400-$4,200 |
| Blown-in top-up (R-19 to R-38) | $1,800-$3,400 |
| Dense-pack wall insulation | $3,500-$6,800 |
We don’t do “free inspections” that turn into sales presentations. A technician visits, runs a blower-door test if applicable, documents the attic with photos, and leaves you with a written price and scope. No work starts without it. Call (737) 245-6428 to schedule.
We Also Serve Cities Near Round Rock
Our crews work daily in Round Rock, Pflugerville, Hutto, Georgetown, and Cedar Park. Dispatch and scheduling are coordinated from our Austin office, but the technicians serving your area live and work in these northern suburbs. Same written-price standard, same documented photo record, same 365-Day Done Right Promise.
Serving Round Rock, TX - Our Local Coverage Area
We’re based in the Round Rock 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 - Blown-In Insulation in Round Rock
No. A 2004 Round Rock attic was insulated to pre-2001 Texas code minimums, typically R-30 blown fiberglass that has now settled to R-19 or lower. We’ve measured original insulation in Forest Creek and Teravista homes from this era; the depth is consistently 30-40% below label rating. Call (737) 245-6428 for a depth check and written price to bring it to R-38 or R-49.
Your ducts and air handler are likely exposed in a 150°F+ vented attic, so the conditioned air reheats before it reaches your vents. Blown-in insulation on the attic floor doesn’t fix duct location. In Teravista and similar Round Rock subdivisions, we often find that sealing the air handler platform and wrapping accessible duct runs - or converting to a conditioned attic with spray foam - solves the nonstop-AC problem that insulation alone couldn’t. We can test this with a blower-door and infrared camera; call (737) 245-6428 to schedule.
Yes, with the right equipment. We use low-clearance hose runs and remote-controlled blowers for tight-access Round Rock townhomes, including properties near La Frontera and the townhome clusters off Old Settlers Boulevard. The hose fits through side-yard gates and small scuttles. We’ve completed alley-load jobs where the only access was a 24-inch opening above a water heater closet. Call (737) 245-6428 - we’ll confirm access on a site visit and give you a written price.
It might. Uri exposed how poorly pre-2001 insulated attics protected pipes and envelopes in Round Rock’s 1990s-2000s tract homes. If your attic showed condensation, ice damming, or visible moisture staining after Uri, the insulation may be compressed or compromised. We inspect for borate-treated cellulose degradation and fiberglass matting on every pre-work walkthrough. A top-up over damaged material wastes money. Call (737) 245-6428 for an inspection and written scope.
Run your AC on a 100°F afternoon, then feel the supply vent nearest your attic hatch. If the air is cool at the unit but lukewarm at the vent, your ducts are gaining 15-25°F in the attic - an insulation problem can’t fix that. We measure supply air temperature at the unit and at the farthest vent on every Round Rock job. If the duct delta-T exceeds 10°F, we flag it in your written scope and price the sealing or encapsulation separately. Call (737) 245-6428 for a test and written diagnosis.
Ready to see what your attic actually needs? Call (737) 245-6428. A technician will arrive with a blower door, a camera, and a notepad. You’ll get a written price before any work starts, a Documented Photo Record when the crew leaves, and before-and-after blower-door numbers on every applicable job. That’s the Haven Standard. No exceptions.
Written by Wes Okafor, Owner at Envelope Insulation Co., serving Round Rock since 2016 under The Haven Standard.