Johns Manville Insulation Removal & Replacement in Pflugerville: What to Know First
We provide independent Johns Manville insulation removal and replacement in Pflugerville, TX, with most attic jobs completed in one day and a written price delivered before any work starts. As an independent Johns Manville service provider, we’re not affiliated with or authorized by the manufacturer, which means we source from multiple suppliers to get you the right material at a fair price without proprietary lock-in. This page is for homeowners who’ve found Johns Manville batts, blown-in, or spray foam in their attic and need it removed due to contamination, settling, moisture damage, or rodent activity. Call (737) 259-8352 for a free estimate with a written scope and upfront pricing.
How Johns Manville Products Fail - and How We Fix Them
- JM Spider blown-in fiberglass settles below labeled R-value in Pflugerville’s heat. The loose-fill product was marketed for “no settling,” but in attics above 140°F - common in Pflugerville’s Stone Hill and Blackhawk neighborhoods from June through September - the binder softens and the fibers compact. We remove the settled material with a 10-inch vacuum hose and replace with fresh blown-in at the correct settled density, or switch to a stabilized cellulose if the attic has active air-sealing needs.
- JM Formaldehyde-free batts sag in high-humidity crawl spaces. The Kraft-faced batts lose their friction fit when relative humidity stays above 70% for extended periods, which happens in Pflugerville during spring storm season and in homes with poor foundation ventilation. The batts fall away from subfloors and create gaps. We remove the failed batts, seal the rim joists and penetrations, then install a moisture-appropriate replacement - often Rockwool or closed-cell spray foam in chronically damp crawl spaces.
- JM Corbond III open-cell spray foam develops odor issues when applied over unsealed substrates. The 0.5 lb density foam is hydrophilic; when installed on attic decks with active roof leaks or missing flashing, it wicks moisture and traps it against the wood. The result is a sweet, chemical smell that homeowners mistake for “still curing.” We cut out the affected foam, remediate the moisture source, and replace with closed-cell or a properly detailed vented assembly.
- JM Polyiso rigid board delaminates in unvented attic assemblies. The foil facers separate from the core when subjected to repeated thermal cycling - Pflugerville’s 40°F morning to 95°F afternoon swings in shoulder season are hard on this product. The delaminated boards create air gaps that defeat the R-value. We remove the failed boards, assess whether the assembly should have been vented in the first place, and reinstall with proper fastening and gap-sealing detail.
- JM mineral wool batts in pre-2010 installs contain binder formulations that attract rodents. The older phenolic binder has a slight sweetness that squirrels and roof rats find appealing for nest material, particularly in Pflugerville’s established neighborhoods with mature oak canopies like Windermere and Heatherwilde. We remove the contaminated batts, sanitize the deck, install rodent-proofing at entry points, and replace with a current-formulation product or alternative fiber.
Our Johns Manville Insulation Removal & Replacement Process
- 1
Call and scope. A live person answers 24/7. We schedule a site visit, and you get a text when Wes or your named technician is en route.
- 2
Attic inspection and blower-door test. We run a blower-door test - a pressurization measurement that shows, in one number, how much air your building envelope is losing. We document the CFM50 reading, photograph the existing Johns Manville product, and identify why it’s being removed: contamination, settling, moisture, or rodent damage.
- 3
Written price and material selection. You get a flat price, written scope, and written warranty before anyone lifts a tool. We specify OEM Johns Manville replacement or an equivalent from Owens Corning, Knauf, or Rockwool - no proprietary lock-in.
- 4
Removal and air sealing. We vacuum out old material with HEPA-contained extraction, then seal top plates, can lights, and penetrations. The report tells you what the house does. The insulation changes what the house does. Those are two different conversations.
- 5
Replacement and verification. New insulation goes in at specified depth and density. We run a second blower-door test and hand you the before-and-after CFM50 numbers, plus a Documented Photo Record of the completed work.
- 6
365-Day Done Right Promise. If it’s not done right, we make it right. The written warranty is already in your hand.
Before
AfterWhat Johns Manville Insulation Removal & Replacement Costs in Pflugerville
Most Johns Manville insulation removal and replacement jobs in Pflugerville run between these ranges:
- Partial attic removal (contaminated section, up to 500 sq ft): $1,400 - $2,200
- Full attic removal and replacement with blown-in fiberglass: $2,800 - $4,500
- Full attic removal with air sealing and upgraded R-49: $4,200 - $6,800
- Spray foam removal and reinstallation (open-cell, limited area): $3,500 - $5,500
- Crawl space removal and encapsulation with new insulation: $3,200 - $5,800
What moves the price: square footage, accessibility (steep roof pitch or limited attic hatch), presence of vermiculite or asbestos-containing material requiring abatement, and whether the job includes air sealing or rodent proofing. We also service Reflectix and other brands if your home has mixed materials. Call (737) 259-8352 for an exact quote - estimates are free, and we offer a Free Second Opinion on any written estimate you’ve already received.
Why Pflugerville Homeowners Call Topside Attic Insulation Pflugerville for Johns Manville Work
We’ve been in and out of attics throughout Pflugerville’s Stone Hill Town Center corridor often enough that the regional heat load patterns up there aren’t a surprise to us. Wes Okafor trained in building systems technology at Kennedy-King College on Chicago’s south side, where the curriculum drilled air-sealing fundamentals - the idea that blown-in insulation is only half the job if the can lights and top-plates are still leaking conditioned air into the attic. Every job gets a written price before work starts, a Documented Photo Record when the crew leaves, and before-and-after blower-door numbers on applicable jobs so you can verify the performance change you paid for. Our 365-Day Done Right Promise applies to all completed work, and our materials come from Johns Manville, Owens Corning, Knauf, Rockwool, and others - no single-brand lock-in.
FAQs
No - Johns Manville’s product warranties cover manufacturing defects, not installation or removal by an independent contractor. The original installer’s workmanship warranty may have expired already; most are 1-5 years. We provide our own written warranty on the replacement work. Call (737) 259-8352 if you want us to review what coverage, if any, remains on your existing product.
We can source current Johns Manville lines, but exact matches for discontinued products aren’t always available or advisable. Spider blown-in fiberglass, for example, has seen formulation changes since 2018. We specify the closest-performing equivalent and explain the difference in writing before you approve the job.
Repair is rarely practical for insulation. Once fiberglass batts are compressed, moisture-damaged, or rodent-contaminated, spot-fixing leaves you with inconsistent R-value and potential air-leak pathways. Full removal and replacement costs more upfront but delivers a uniform thermal boundary and documented performance. We quote both approaches when repair is genuinely possible, though we don’t recommend it for contaminated material.
Most residential attic jobs are completed in one day. Larger homes, spray foam removal, or jobs requiring abatement coordination take 2-3 days. We schedule within 48 hours of your call and text you when the technician is on the way. Call (737) 259-8352 to check current availability - estimates are free.
We source from Johns Manville distributors when the product line is current and competitively priced. For discontinued lines or when a better-performing alternative exists - Rockwool for fire resistance, closed-cell spray foam for moisture-prone assemblies - we specify that in the written scope with full transparency. No proprietary lock-in.
Written by Wes Okafor, Owner, Topside Attic Insulation Pflugerville at Topside Attic Insulation Pflugerville, serving Pflugerville and nearby areas.