Demilec Insulation Removal Nationwide

Demilec Insulation Removal in Los Angeles: What to Know First

Demilec insulation removal in Los Angeles typically takes one to two days depending on square footage and how the foam was applied, and most jobs run between $1,800 and $4,600 for full attic extraction. We’re an independent Demilec service provider, not a factory-authorized shop, which means we tell you the truth about what’s salvageable and what needs to come out before you spend a dollar. If you’ve got Demilec spray foam that’s pulling away from the rafters, holding moisture, or was installed badly the first time, we remove it cleanly and re-insulate with whatever actually fits your house.

Call (361) 315-4177

This page is for Los Angeles homeowners who bought or inherited a home with Demilec foam insulation and now need it gone. Call (361) 315-4177 for a free estimate with a written price before anything starts.

Key Takeaways

• We remove Demilec open-cell and closed-cell spray foam from attics, crawl spaces, and rim joists across Los Angeles.
• Full removal jobs usually take 1-2 days; partial removal for damaged sections can be done in under a day.
• Every job gets a written price before work begins, photo proof during, and a 365-Day Done Right Promise after.
• Chase Whitaker has been pulling failed spray foam out of Los Angeles attics for over fifteen years.

How Demilec Products Fail – and How We Fix Them

Demilec makes solid foam, but every spray foam line has failure modes we see over and over in Los Angeles attics. Here’s what actually goes wrong and what we do about it.

• Heatlok HFO Pro shrinkage. Heatlok HFO Pro is Demilec’s closed-cell workhorse, but in unvented Los Angeles attics that hit 140°F in August, we’ve seen it shrink and pull away from rafters. That gap kills the air seal and lets humid air hit the wood. The fix isn’t patching, it’s removal of the affected sections and a proper re-spray, usually with a product chosen for our specific climate.
• Sealection 500 open-cell moisture retention. Sealection 500 is an open-cell foam we find holding water in older LA homes with roof leaks or bad bathroom fan venting. Open-cell foam absorbs and holds moisture like a sponge, and once it’s saturated against roof decking, the sheathing starts to rot underneath it. We remove the saturated foam, expose the decking to dry, fix the leak, and re-insulate with closed-cell or a hybrid approach that actually breathes correctly.
• Agribalance off-gassing complaints. Demilec’s Agribalance line, which uses some soy-based content, occasionally leaves a persistent odor in tightly sealed Los Angeles homes, especially those built after 2010 with very low air exchange. When airing the space out doesn’t fix it, the only real solution is taking the foam out. We’ve done full Agribalance removals in Sherman Oaks, Silver Lake, and Westchester where the smell was coming through the drywall.
• Bad original installation from the 2000s building boom. A lot of Demilec foam went into Los Angeles attics between 2004 and 2008 when the market was moving fast and inspectors were stretched thin. We regularly find foam that was applied over dusty or damp surfaces, which means it never adhered properly and has been slowly delaminating for years. Once it’s flapping off the decking, removal is the only option.
• Cold-weather application defects on imported jobs. We occasionally see Demilec foam in Los Angeles that was sprayed by out-of-state contractors during a cold snap, and the foam cured with a dry, crumbly texture. It never develops the right density, and it falls apart when you touch it. That foam has to come out entirely; you can’t re-spray over failed substrate.

Our Demilec Insulation Removal Process

Here’s how a Demilec removal job runs from your first call to final cleanup.

1. 1
   Call and schedule. You call (361) 315-4177, speak to a live person, and book a site visit at a real trackable arrival time. No four-hour windows.
2. 2
   We inspect and test. We check the foam’s adhesion, look for moisture trapped behind it, and identify which Demilec product you’re dealing with. We also check for the failure source, a leak, bad venting, or just an installation that never took.
3. 3
   Written price before we touch anything. You get a line-item quote with the removal scope, disposal costs, and what goes back in. That price doesn’t change at the door.
4. 4
   Removal day. We contain the workspace, remove the Demilec foam with scrapers, oscillating tools, and vacuum systems designed for fine particulate, and bag everything for proper disposal. No dust drifting into your living room.
5. 5
   We show you the problem, then fix it. Before we re-insulate, you see photos of what was behind the foam: rotted sheathing, gaps, whatever was hiding. You decide what goes back in. We’re brand-agnostic, Owens Corning, Rockwool, GreenFiber, whatever the job calls for.
6. 6
   Done Right Promise on paper. The re-insulation and the removal are covered by our 365-Day Done Right Promise. If something isn’t right, we come back and make it right, no charge.

What Demilec Insulation Removal Costs in Los Angeles

Fair warning: this work is labor-intensive. Spray foam doesn’t come out easily, and disposal costs in Los Angeles County are real. Here’s what we quote for common scenarios:

• Partial removal, one damaged section: $900 to $1,600.
• Full attic removal, under 1,000 sq ft of foam: $1,800 to $3,200.
• Full attic removal, 1,000 to 2,000 sq ft: $3,000 to $4,600.
• Utility room or rim joist removal: $700 to $1,400.
• Disposal and cleanup: included in every quote, never a surprise line item.

What moves the price: how thick the foam is, how many surfaces it’s stuck to, roof pitch, and how much of the attic is accessible on foot versus crawling. Estimates are free, and the written price is locked before work starts. Call (361) 315-4177 to get yours.

Why Los Angeles Homeowners Call Laurel Attic Insulation for Demilec Work

Most insulation companies in Los Angeles don’t want to touch a Demilec removal job. It’s dirty, it’s time-consuming, and you don’t know what you’ll find until the foam comes off. We take those jobs because we know how to do them right, and because a failed spray foam job doesn’t fix itself.

We’re part of the Relay Home Co. family, and we run on the Relay Visibility Guarantee: live arrival tracking, before-and-after photos, and a written price delivered before work starts. Our techs are background-checked and uniformed. They know Demilec’s product lines, and if the right answer involves a different brand entirely, we’ll tell you. We work with eight manufacturers, including Reflectix for radiant barrier situations, so we’re never stuck pushing one product.

Chase Whitaker has been doing insulation work in Los Angeles for over fifteen years. He grew up in the San Fernando Valley and learned the building science side of this trade at Los Angeles Trade-Technical College before he ever picked up a spray gun. If your attic is working against you, let’s just fix it, no upsell, no mystery pricing.

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