Trusted Insulation Removal & Replacement for Canyon Lake Homeowners
Insulation removal and replacement in Canyon Lake typically costs $2,800-$6,500 for a full attic, depending on square footage, contamination level, and whether air sealing is needed first. Most jobs take one to two days, and we can often start within 48 hours of your call. Call (737) 227-6219 for a written price before any work starts.
We’ve been sealing and insulating homes under The Haven Standard since 2016, and we’ve learned that Canyon Lake’s combination of humid Gulf air, temperature swings from the Hill Country, and older construction in neighborhoods like Canyon Lake Hills and Startzville creates specific problems you won’t see in newer metro builds. Insulation gets compressed, contaminated by rodents, or installed over unsealed leaks that render it nearly useless. We’ve completed over 9,000 jobs, every one with a written price upfront and a documented photo record at completion. When blower-door testing applies, we publish the before-and-after numbers so you can verify the result yourself.
Our crew serves Canyon Lake homeowners with background-checked, uniformed technicians and live-answer phones 24/7. No voicemail loops. No callback windows measured in business days.
What Our Insulation Removal & Replacement Service Includes
Attic Insulation Removal
Attic insulation removal is the complete extraction of existing fiberglass, cellulose, or mineral wool from your attic floor and cavity spaces, typically because the material has settled below its original R-value or been disrupted by work performed above the ceiling. In Canyon Lake, we regularly see attics where blown-in fiberglass has compressed to half its original depth after 15-20 years, or where multiple roof leaks have created packed, mold-stained sections that no longer insulate. We use commercial-grade vacuums with HEPA filtration and bag the material directly to avoid contamination of your living space. Every attic removal includes a photo-documented assessment of what we found, delivered with your written scope.

Contaminated Insulation Removal
Contaminated insulation removal addresses material that has been exposed to moisture, mold, rodent droppings, or fire suppressants that make it a health hazard rather than a thermal barrier. Canyon Lake’s proximity to the lake itself means higher ambient humidity, and we’ve found significant mold growth in attics near the shoreline where ventilation was never properly balanced with intake and exhaust. We treat this as a hazardous material job, using full PPE, negative air machines, and disposal following Texas Commission on Environmental Quality guidelines for contaminated building materials. You receive photos of the contamination, photos of the cleaned substrate, and documentation of disposal.

Vermiculite & Old Insulation Removal
Vermiculite and old insulation removal handles pre-1990s material, particularly vermiculite that may contain asbestos and early fiberglass batts that have degraded into irritant dust. Homes in the older sections of Canyon Lake, especially those built during the 1970s lake-area development boom, sometimes still have original vermiculite or rock wool that should not be disturbed without testing and proper abatement protocols. We coordinate third-party asbestos testing when needed, and if vermiculite is present, we engage licensed abatement contractors rather than handling it in-house. This protects your liability and your indoor air quality. The written scope specifies exactly who does what, and when.

Insulation Replacement
Insulation replacement is the installation of new thermal material after removal, but at Envelope Insulation Co. it never happens before air sealing is complete. We seal top plates, can lights, plumbing and electrical penetrations, and chimney chases first, then blow, bat, or spray the new insulation to the specified depth and R-value. In Canyon Lake, we typically specify R-38 to R-60 for attics depending on your roof structure and whether you’re heating with a heat pump or fossil fuel. Materials come from Owens Corning, Johns Manville, Knauf, and other manufacturers, chosen for your specific application rather than pushed from inventory. The job closes with a blower-door test when applicable, a documented photo record, and your written warranty under the 365-Day Done Right Promise.

What happens when you call
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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.
Brands We Service for Insulation Removal & Replacement

We’ve removed and replaced insulation systems built around Owens Corning products in hundreds of Texas homes, including their loose-fill fiberglass and PROPINK systems that were standard in many Canyon Lake builds from the 1990s forward. We know the density requirements, the settling characteristics, and how their L77 loose-fill performs in high-humidity attics. When we replace an Owens Corning system, we specify the exact product by name in your written scope so there’s no substitution without your approval.
Johns Manville and Knauf materials are equally common in our removal queue, particularly JM’s Spider blown-in system and Knauf’s EcoFill cellulose in homes where builders prioritized cost over long-term performance. We’ve also worked extensively with GreenFiber cellulose, especially in retrofits where homeowners wanted a recycled-content option with established fire-retardant treatment. Whether your existing insulation came from these manufacturers or any other, we assess what’s there, remove it properly, and specify replacement material based on performance data, not brand preference. Bring us a competing quote and we’ll review it with you under our Free Second Opinion policy.
Before
AfterSigns You Need Insulation Removal & Replacement Right Now
- Your energy bills have climbed 20% or more year-over-year without rate increases. Spiking cooling costs in Canyon Lake’s summer months often trace directly to insulation that has settled, compressed, or been displaced by duct work or storage activity in the attic. The thermal boundary is compromised, and your HVAC runs longer to maintain setpoint.
- You smell musty or ammonia-like odors from ceiling penetrations or the attic hatch. These smells indicate active moisture problems or rodent infestation in the insulation layer. In Canyon Lake’s lakeside neighborhoods, we’ve found roof rat colonies nesting in fiberglass batts, with droppings concentrated near warm duct boots. This is a health hazard and a fire risk.
- Visible water stains appear on your ceiling after hard rains. Water-stained insulation loses R-value permanently, and the surrounding material often harbors mold even when surface-dry. We remove to the full extent of water travel, not just the visibly damaged section, because capillary wicking in cellulose and fiberglass extends farther than the stain shows.
- Your attic insulation is original to a home built before 1995. Even undisturbed insulation degrades. Fiberglass batts slump. Cellulose settles. Vermiculite may contain asbestos. If you haven’t had a professional assessment in 30 years, you don’t know what you’re living under. We document what we find with photos and blower-door data.
- You’re experiencing uneven temperatures between rooms that share no duct issues. When insulation has been walked on, moved for wiring, or inadequately installed in the first place, thermal bypasses create hot and cold zones. We map these with infrared imaging during our assessment, then specify removal and replacement to correct the deficiency.
Our Insulation Removal & Replacement Process - Step by Step

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Written price and scope before any work starts. We inspect your attic, document conditions with photos, and deliver a flat price with itemized scope. Haven Standard Clause 1: no work begins without your signed approval. This includes specifying whether air sealing, baffle installation, or ventilation correction is needed before new insulation goes in.
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Containment and protection of your living space. We seal attic hatches, lay protective sheeting, and establish negative pressure in the work zone with HEPA-filtered equipment. Your furniture, flooring, and air quality are protected before the first bag of old insulation moves.
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Systematic removal and disposal. Commercial vacuums extract loose-fill material directly into sealed bags. Batts are bagged by hand and removed through minimized access points. Contaminated material is segregated and disposed of per TCEQ requirements. We photograph the empty cavity to verify complete removal.
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Air sealing and substrate preparation. Before any new insulation touches your attic floor, we seal every penetration with fire-rated foam, caulk, or rigid baffles as appropriate. Top plates, can lights, wire holes, and chimney chases get sealed. This is not optional. We then install baffles at eaves to maintain ventilation pathways.
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Replacement installation, testing, and documentation. New insulation is installed to specified depth and density. When applicable, we run a blower-door test, pressurizing the house to measure air leakage before and after our work. You receive the written results, the photo record, and your warranty documentation. The 365-Day Done Right Promise begins at completion.
How Much Does Insulation Removal & Replacement Cost in Canyon Lake?
A typical Canyon Lake Insulation Removal & Replacement runs $3,800-$6,500 for a 1,500-2,500 square foot home with standard pitched roof and no hazardous material complications. Contaminated insulation removal with mold remediation protocols adds $800-$2,200 depending on extent. Vermiculite removal requiring asbestos abatement coordination typically starts at $4,500 and scales with attic size and access difficulty. These are 2024-2025 ranges for the Canyon Lake market; your written price will reflect actual conditions.
Several factors move the number. Attic square footage and pitch determine material quantity and labor hours. Accessibility, whether through a hatch, scuttle, or conditioned space entry, affects setup time. The existing insulation type, depth, and contamination level determine removal difficulty and disposal cost. Whether your home needs air sealing, baffle installation, or ventilation correction before replacement insulation goes in, these are separate line items we specify upfront, not surprises added later. For more on pricing, see our Insulation Removal & Replacement cost guide.
To avoid overpaying, get a written scope that specifies R-value target, material type and brand, air sealing details, and whether blower-door testing is included. Vague quotes with per-square-foot pricing often omit critical steps. Our Free Second Opinion service exists for exactly this situation. Bring us any written estimate and we’ll review it line by line. Estimates from Topside Attic Insulation Canyon Lake are free, flat-priced, and delivered before any work starts.
Insulation Removal & Replacement Near Canyon Lake - Our Service Area

We serve Canyon Lake directly, with typical response times of 30-45 minutes to neighborhoods including Canyon Lake Hills, Startzville, Hancock, and Cranes Mill. Our service radius extends to Insulation Removal & Replacement in Bulverde, Insulation Removal & Replacement in New Braunfels, Timberwood Park, Selma, Cibolo, Schertz, Universal City, Live Oak, Fair Oaks Ranch, Converse, and Windcrest. Most of these areas see same-day or next-day scheduling. Drive times from our Canyon Lake base to New Braunfels run about 25 minutes, to Schertz or Cibolo about 35 minutes. Wherever you are in the Canyon Lake-Hill Country corridor, the same Haven Standard applies: written price first, documented record at completion.
Serving Canyon Lake, TX - Our Local Coverage Area
We’re based in the Canyon Lake area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - Insulation Removal & Replacement in Canyon Lake

Insulation removal and replacement is the complete extraction of existing thermal material from your attic, walls, or crawl space, followed by installation of new insulation to specified performance standards. At Envelope Insulation Co., this always includes air sealing of the building envelope before new insulation goes in, plus a documented photo record and, when applicable, before-and-after blower-door numbers. Call (737) 227-6219 for a written estimate on your specific home.
Most residential attic jobs in Canyon Lake take one to two days: one day for removal and air sealing, a second for replacement and testing if needed. Vermiculite or heavily contaminated attics may extend to three days due to abatement coordination and extended cleaning protocols. We specify the timeline in your written scope before work starts. Call (737) 227-6219 to schedule an assessment.
Standard attic removal and replacement in Canyon Lake runs $3,800-$6,500 for typical homes, with contaminated or vermiculite jobs starting higher. Price depends on attic size, access, existing material type, and whether air sealing or ventilation correction is needed. Every estimate from Topside Attic Insulation Canyon Lake is flat-priced, written, and delivered before any work starts. We also serve nearby communities - see our Insulation Removal & Replacement - New Braunfels page for details. Call (737) 227-6219 for your specific quote.
Yes. We’ve removed and replaced hundreds of Owens Corning and Johns Manville systems throughout the Hill Country, and we specify replacement material by brand and product name in your written scope. We also work with Knauf, GreenFiber, and other manufacturers, selecting based on your home’s needs rather than inventory pressure. Call (737) 227-6219 to discuss material options for your project.
We answer calls live 24/7 and can often dispatch for urgent situations, such as post-fire suppression water damage or active roof leaks saturating insulation, within the same day in Canyon Lake. True emergencies that threaten structural or health safety get priority scheduling. For less urgent needs, we typically book within 48 hours. Call (737) 227-6219 any time to discuss your situation.
All completed work is covered by our 365-Day Done Right Promise: if it’s not done right, we make it right. This is backed by a written scope and written warranty delivered before anyone starts work, per Haven Standard protocol. The warranty covers material and installation defects; material manufacturer warranties apply separately for product-specific issues. Call (737) 227-6219 for warranty documentation details.
Clear attic hatch access and remove stored items from the attic floor if possible; we can handle this if mobility is an issue. Ensure we have driveway access for our vacuum and disposal equipment. We’ll cover and protect everything else. Pets should be secured away from work zones due to noise and temporary door propping. Specific preparation instructions arrive with your confirmed appointment. Call (737) 227-6219 to book your assessment.
Schedule Your Insulation Removal & Replacement Service in Canyon Lake Today
Call (737) 227-6219 now for a free, written estimate on insulation removal and replacement. A live person answers 24/7. You’ll get a flat price, a detailed scope, and a documented photo record, every time. The 365-Day Done Right Promise applies to all work. No obligation until you approve the written scope.
Written by Wes Okafor, Owner at Topside Attic Insulation Canyon Lake, serving Canyon Lake, Insulation Removal & Replacement in Bulverde, New Braunfels, and surrounding Hill Country communities since 2016.