Rockwool Home Energy Audit in Cedar Park: What to Know First
We provide independent Rockwool home energy audit in Cedar Park, typically scheduled within 48 hours and completed in a single visit. Most audits run between $280 and $550 depending on home size and test scope, and you’ll get a written price before we start - no surprises, no upsell. This page is for homeowners who’ve installed Rockwool Comfortbatt, Comfortboard, or AFB in their walls or attic and need to know whether the insulation is performing as designed, or whether air leaks are undermining it. Call (737) 245-6428 to book or to get a free second opinion on another contractor’s estimate.
How Rockwool Products Fail - and How We Fix Them
- Comfortbatt compressed behind K-style vinyl siding in Cedar Park’s newer builds. The 3.5-inch nominal batt gets squeezed to 2.75 inches during fast-track framing, dropping its R-value from R-15 to roughly R-11. We remove the affected batts, re-set the cavity depth with proper furring where needed, and reinstall to full loft.
- Comfortboard 80 on exterior walls taking moisture from Cedar Park’s spring storms. The rigid board is hydrophobic, but if the WRB (water-resistive barrier) was poorly lapped at the seams, bulk water sits against the face and wicks through fastener penetrations. We thermal-scan to find the wet zones, pull the board, fix the WRB detail, and reinstall with corrected flashing.
- AFB (Acoustical Fire Batt) in party walls settling at the top plate. This 4-pound-density batt is heavier than standard fiberglass and gravity pulls it down over time, opening a 1-to-3-inch gap that kills both the STC rating and the fire block. We find the settle with a borescope, pack the gap with fresh AFB cut to friction-fit, and staple-bridge the top plate.
- Comfortbatt in vaulted ceilings pushed aside by recessed can lights. Homeowners in Buttercup Creek and Ranch at Brushy Creek call us when their second-story bedrooms won’t cool below 78°F. The batt got shoved back from IC-rated cans that still leak 15-20 CFM each. We air-seal every can with fire-rated covers, then reinstall the batt to full contact with the drywall.
- Rockwool left exposed in vented attics without an air barrier. Comfortbatt on an attic floor works only if the ceiling plane below is sealed. In pre-2010 Cedar Park homes, top plates and wire penetrations leak so much that the batt becomes a filter, not insulation. We blower-door test first, seal every penetration with foam and fire caulk, then lay the batt - or recommend dense-pack if the floor is too irregular.
Our Rockwool Home Energy Audit Process

- 1
Call and scope. A live person answers, asks square footage, year built, and what you’re experiencing. We quote a written price range right then. Under Haven Standard: Have it in writing.
- 2
Blower-door test on arrival. We depressurize the house to -50 Pascals and measure CFM50 - the single number that tells us how leaky the envelope is. Wes Okafor picked up this discipline at Olive-Harvey College’s building science program, and we don’t skip it.
- 3
Thermal imaging with the blower door running. The Delta-T shows us exactly where Rockwool has gaps, compression, or moisture intrusion. We photograph every anomaly.
- 4
Duct leakage test if indicated. Many Cedar Park homes lose 20-30% of conditioned air to the attic. We pressurize the duct system and measure leakage to outside, so you know whether the problem is the envelope, the ducts, or both.
- 5
Written report with options. You get the blower-door number, thermal images, a scope of work with flat pricing, and a 365-Day Done Right Promise in writing. No work starts until you approve the price.
- 6
Execution and documentation. We air-seal first, then address insulation. Afterward, we run the blower door again and publish the before-and-after numbers. You walk away with a Documented Photo Record and the ACH50 figure - the pressure-to-airflow metric that proves the job.
What Rockwool Home Energy Audit Costs in Cedar Park
| Service | Typical Range |
|---|---|
| Basic home energy audit (blower door + thermal imaging, up to 2,500 sq ft) | $280 - $380 |
| Expanded audit (adds duct leakage test, multi-zone thermal scan) | $420 - $550 |
| Rockwool-specific inspection (batt removal, cavity measurement, reinstallation) | $180 - $320 per area |
| Air sealing + Rockwool correction (typical 2,000 sq ft attic) | $1,800 - $3,400 |
What moves the price: home size, number of thermal zones, accessibility (vaulted ceilings cost more), and whether we find water damage requiring remediation. We also service Reflectix and other brands, so if your home has mixed insulation types, we’ll assess everything.
Every estimate is free, and we offer a free second opinion on any written estimate you’ve already received. Call (737) 245-6428 for an exact quote.
Why Cedar Park Homeowners Call Topside Attic Insulation Cedar Park for Rockwool Work

We’ve sealed and insulated over 9,000 homes since 2016, every one with a written price before work started and a documented record after. In Cedar Park specifically, we’ve tracked how Rockwool performs in the Hill Country’s combination of hard sun, spring storms, and clay soils that shift framing over time. Our technicians are background-checked and uniformed; you get a named tech and a text when they’re en route. We don’t push proprietary products - we source Rockwool, Owens Corning, Johns Manville, and others, and we pick what’s right for your assembly. The 365-Day Done Right Promise means if it’s not done right, we make it right, and the warranty is in writing before anyone lifts a tool. Seal the leaks first. Then insulate. The order matters more than the product.
FAQs
No. Rockwool’s limited warranty covers manufacturing defects, not installation or maintenance by independent contractors. As an independent Rockwool service provider, we document our work with photos and written scope so any future warranty claim has clear records. If you have a concern about a specific product batch, we’ll note the lot number and help you file with Rockwool directly. Call (737) 245-6428 if you want us to review your warranty paperwork before we start.
Repair is usually the better value if the batts are dry, uncompressed, and accessible. Replacement makes sense when the product has been wet, heavily compressed, or contaminated by rodent activity - common in Cedar Park attics where roof rats find entry at fascia gaps. We give you both prices in writing so you can decide. For a free assessment, call (737) 245-6428.
We typically schedule within 48 hours, and same-day is often available for urgent comfort issues. A live person answers calls 24/7 - no voicemail loops. If you’re in Buttercup Creek, Ranch at Brushy Creek, or the newer sections of Cedar Park West, we’ve run jobs in your neighborhood and know the typical envelope issues. Call (737) 245-6428 to check today’s availability.
We use Rockwool OEM batts and boards when the cavity calls for exact density and fire rating match, particularly for AFB in party walls and Comfortboard in exterior assemblies. For some attic floor applications, we may recommend comparable-density mineral wool from Johns Manville or Knauf if it performs the same function at lower cost - we’ll explain the trade-off in writing before you decide. No proprietary lock-in. Call (737) 245-6428 to discuss your specific assembly.
You get a written report with the blower-door CFM50 and ACH50 numbers, annotated thermal images, a flat-price scope for any recommended work, and a Documented Photo Record of what we found. If we perform air sealing, you also get the before-and-after blower-door comparison. Everything is dated and signed. Call (737) 245-6428 to schedule your audit.
Written by Wes Okafor, Owner, Topside Attic Insulation Cedar Park at Topside Attic Insulation Cedar Park, serving Cedar Park and nearby areas.