Icynene Insulation Removal & Replacement in Seguin: What to Know First
We provide independent Icynene insulation removal and replacement in Seguin, typically completing residential jobs in one to two days with a written price delivered before any work starts. Most attic insulation removals in Seguin homes run between $1,800 and $4,200 depending on square footage, contamination level, and whether the Icynene product was open-cell or closed-cell. This page is for homeowners who’ve found deteriorated, contaminated, or improperly installed Icynene foam in their attic or walls and need it removed safely without damaging the structure underneath. Call (830) 549-6646 for a free written estimate - we answer live, 24/7.
How Icynene Products Fail - and How We Fix Them
- Icynene Classic Max (open-cell) shrinkage and pull-away from framing. In Seguin’s Hill Country climate, the wide humidity swings between March monsoons and August dry spells cause Classic Max to contract where it was applied too thin at the stud edge. We see this most in attics near Guadalupe Regional Medical Center where 1970s framing has more dimensional lumber movement. We cut back the failed foam to solid substrate, then install replacement insulation with proper expansion gap management.
- Icynene MD-C-200 (closed-cell) moisture trapping behind the foam. When MD-C-200 is sprayed over an unsealed attic deck in Seguin’s older homes, the vapor impermeability locks in humidity that migrates up from conditioned space. The report goes home with you - the numbers do the talking. We run a blower-door test first to locate the air leaks, seal them, then remove the water-damaged foam and replace with a properly specified assembly.
- Icynene H2Foam Lite overspray and thickness inconsistency. This lighter-density open-cell product was popular in Seguin new construction from 2015 to 2019; installers often sprayed it too fast to meet production schedules, leaving voids and thin spots that collapse under foot traffic during HVAC maintenance. We map the deficient areas with thermal imaging, remove the compromised sections, and reinstall to the manufacturer’s specified R-value per inch.
- Rodent and pest contamination in Icynene cavities. Open-cell Icynene provides no food value, but its porous structure traps nesting material and waste. In Seguin, roof rats from the river corridor burrow into attic foam near eave gaps. We remove the contaminated foam entirely - it cannot be sanitized in place - clean the substrate, rodent-proof the entry points, and replace with fresh insulation.
- Chemical off-gassing from improperly mixed Icynene batches. When the A and B components aren’t in ratio during hot-weather application - common in unshaded Seguin attics - the foam never fully cures and emits amines for months. We test with a simple sniff test at the cut edge; if it’s still reactive, removal is the only option. We haul it out under contained conditions and start over with verified-cure product.
Our Icynene Insulation Removal & Replacement Process

- 1
Written price and scope before arrival. We review photos or visit in person, then deliver a flat price and written scope. No work starts without your signature under Haven Standard Clause 1.
- 2
Blower-door test and thermal imaging. We pressurize the house to measure air leakage in CFM50, then use a FLIR camera to map exactly where the Icynene has failed, shrunk, or trapped moisture. This becomes your baseline report.
- 3
Contained removal with HEPA extraction. We set up negative air pressure, cut the foam out in manageable sections, and vacuum debris through filtered collection. For MD-C-200, we use mechanical scraping with controlled dust suppression - grinding it creates respirable particles we don’t want in your attic.
- 4
Substrate repair and air sealing. Any rotted sheathing or compromised top plates are replaced. We seal every penetration with acoustical sealant and fire-rated foam before new insulation goes in.
- 5
Replacement installation and verification. We install your specified replacement insulation - blown-in cellulose, fiberglass batts, or new spray foam from Owens Corning, Johns Manville, Knauf, Rockwool, CertainTeed, Demilec, or GreenFiber. No proprietary lock-in.
- 6
Final blower-door test and documented handoff. We run the pressurization test again, print your before-and-after ACH50 numbers, and add the photos to your Documented Photo Record. The report goes home with you.
Before
AfterWhat Icynene Insulation Removal & Replacement Costs in Seguin
| Scenario | Typical Range | What Moves the Price |
|---|---|---|
| Partial removal, open-cell (Classic Max or H2Foam Lite), no contamination | $1,800 - $2,800 | Accessibility, thickness, square footage |
| Full attic removal, closed-cell (MD-C-200), moisture damage | $3,200 - $4,800 | Sheathing replacement, mold remediation needs |
| Rodent-contaminated removal with rodent proofing | $2,800 - $4,200 | Extent of contamination, entry point count |
| Removal + full replacement with new spray foam | $4,500 - $7,200 | Product selection, R-value target, air sealing scope |
These are real Seguin numbers from jobs we’ve completed in neighborhoods from Kingsbury to McQueeney. Your exact price depends on what we find when we look. Call (830) 549-6646 - estimates are free, written, and delivered before any work starts.
Why Seguin Homeowners Call Topside Attic Insulation Seguin for Icynene Work

We’ve removed Icynene from attics in Seguin since before the 2019 building code changes that tightened attic insulation requirements in Guadalupe County. Wes Okafor learned thermal envelope science at Triton College in River Grove, IL, and he’s run blower-door tests on over 9,000 homes since 2016. Our crew knows the difference between Classic Max shrinkage and MD-C-200 moisture failure without guessing. We’re also fluent in Reflectix and every major insulation brand, so if your replacement shouldn’t be spray foam at all, we’ll say so. The 365-Day Done Right Promise applies to every job, and a live person answers (830) 549-6646 at any hour.
FAQs
The original applicator’s warranty typically terminates once the foam is altered or removed by anyone other than their authorized crew. As an independent Icynene service provider, we document the pre-existing condition with photos and thermal imaging so you have evidence if a dispute arises. Call (830) 549-6646 and we’ll review your paperwork with you.
Yes - and sometimes we exceed it. MD-C-200 at 3 inches gives roughly R-19; we can achieve R-30 or higher with blown-in fiberglass or cellulose at proper depth, or specify a different spray foam if the assembly allows. We calculate the target based on your roof deck configuration and the 2021 IECC climate zone requirements for Seguin.
If the foam is pulling away from framing more than half an inch, crumbling to the touch, or emitting odor after three weeks of cure time, removal is usually the right call. Surface discoloration alone doesn’t always mean failure. We verify with a blower-door test and moisture meter before recommending either approach. Call (830) 549-6646 for an honest assessment - estimates are free.
Most residential removals are scheduled within three to five business days of estimate approval. Contaminated jobs with active rodent issues get priority. We don’t quote turnaround times we can’t meet.
We haul it. Our crew bags the removed foam and transports it to the appropriate waste stream - open-cell to landfill, closed-cell to construction debris processing. The disposal cost is included in your written price. You won’t coordinate a separate container or city pickup.
Written by Wes Okafor, Owner & Lead Insulation Technician, Topside Attic Insulation Seguin at Topside Attic Insulation Seguin, serving Seguin and nearby areas.