Demilec Home Energy Audit in Glendale: What to Know First
We provide independent Demilec home energy audit in Glendale with same-day or next-day scheduling for most calls, and we publish a written price before any work starts - no exceptions. A typical Demilec audit in this market runs $280-$520 depending on whether we are testing a single-zone Demilec Heatlok HFO system or a full multi-zone Demilec SEALECTION 500 envelope. This page is for Glendale homeowners who have Demilec spray foam or coating products in their building envelope and need a documented energy audit to diagnose performance loss, satisfy a resale requirement, or settle a warranty dispute. Call (213) 474-3828 to schedule; estimates are free.
How Demilec Products Fail - and How We Fix Them
- Demilec Heatlok HFO shrinkage at rim joists in Glendale’s dry climate. Heatlok HFO is a high-performance closed-cell foam, but in the Verdugo foothills where winter humidity drops below 25 percent, we’ve measured 3-8 percent linear shrinkage at rim joist applications installed before 2019. The foam pulls away from the sill plate and creates a thermal bypass that blower-door testing catches at 50 pascals. We cut back the compromised section, reapply with a climate-adjusted pass thickness, and retest.
- Demilec SEALECTION 500 open-cell overspray into soffit vents. SEALECTION 500 expands aggressively - that’s the point - but installers who don’t mask properly can block intake ventilation in Glendale’s older ranch-style homes near Glenoaks Canyon. We find this with thermal imaging: a 40-degree attic floor next to a 78-degree soffit bay tells the story. Our fix is surgical removal of the vent blockage, then re-blowing with proper baffling.
- Demilec Demilec 500 intumescent coating degradation on foam exposed to UV. The code-required ignition barrier coating chalks and cracks when attic hatches are left open or when foam is exposed through recessed light trim gaps. We document the coating condition with photo records, reapply a compatible intumescent where needed, and flag any foam that has begun to yellow - a precursor to deeper UV damage.
- Demilec Heatlok XT moisture trapping at the foam-to-stud interface. Heatlok XT’s high R-value per inch is real, but when applied over damp sheathing in a Glendale home with a previous roof leak, the closed-cell structure can trap moisture against wood. Our audit includes a pinless moisture meter reading at the foam boundary; if we find 18 percent or higher, we remove the affected foam, dry the cavity, and reapply.
- Demilec Eco-Pur spray foam odor persistence in tight envelopes. Eco-Pur is a bio-based formula, but in the tight homes built during Glendale’s 2015-2020 construction boom, incomplete curing can leave a faint amine odor for months. We test with a VOC meter and, if levels exceed 500 micrograms per cubic meter, recommend controlled ventilation augmentation - not masking, not waiting it out.
Our Demilec Home Energy Audit Process
- 1
Call intake with a live person. We ask for the Demilec product line if you know it, the year of installation, and what symptom prompted the call - high bills, uneven rooms, odor, or a failed resale inspection.
- 2
On-site blower-door test before touching anything. We pressurize the home to 50 pascals and record the CFM50 baseline. In a 2,000-square-foot Glendale home built in the 1960s, we typically see 3,500-5,500 CFM50 before any work.
- 3
Thermal imaging and targeted inspection. We scan the Demilec application zones with a FLIR camera, looking for the specific failure signatures of your product line - shrinkage gaps, overspray, coating cracks, or moisture anomalies.
- 4
Written scope and price before any invasive work. Under Haven Standard Clause 1, you get a flat price, a written scope, and a written warranty before anyone lifts a tool. No surprises.
- 5
Corrective work with OEM or quality aftermarket materials. We source Demilec-compatible products from our supplier network; we do not claim exclusive or preferred status with any brand. Work is performed by background-checked, uniformed technicians.
- 6
Post-work blower-door test and documented record. We depressurize again, record the new CFM50, and deliver a printed report with before-and-after numbers, photos, and our 365-Day Done Right Promise in writing.
Before
AfterWhat Demilec Home Energy Audit Costs in Glendale
| Service | Typical Range | What Moves the Price |
|---|---|---|
| Single-zone blower-door test with thermal imaging | $280-$380 | Attic accessibility, home size, number of Demilec application zones |
| Multi-zone audit with duct leakage testing | $420-$520 | HVAC zone count, whether we need to access crawl space or sealed soffits |
| Moisture-intrusion investigation with foam removal | $180-$340 added | Extent of affected foam, need for drying equipment |
| Intumescent coating reapplication | $220-$400 added | Square footage of exposed foam, access difficulty |
Most Glendale homeowners with a single Demilec product zone fall in the $280-$380 range. Homes in the hills with multi-zone SEALECTION 500 applications and complex rooflines trend toward the upper end. We also service Reflectix radiant barrier systems where those are part of the envelope assembly. Call (213) 474-3828 for a written estimate - estimates are free, and we offer a Free Second Opinion on any written estimate you’ve already received.
Why Glendale Homeowners Call Topside Attic Insulation Glendale for Demilec Work
We’ve been running jobs across Glendale since 2016, including older ranch-style homes near the Verdugo Woodlands where dense-pack cellulose in balloon-frame walls is still the right call alongside Demilec foam upgrades. Wes Okafor does a blower-door test before a single bag of insulation is opened, and customers leave with a printed pre- and post-installation report that shows the ACH50 numbers side by side. Our 365-Day Done Right Promise means if it’s not done right, we make it right - backed by a written scope and written warranty delivered before anyone starts. Calls are answered by a live person 24/7; no voicemail loops, no callback windows measured in business days. Seal the bypasses first. Insulation over air leaks is just expensive noise reduction.
FAQs
No - an independent energy audit does not void your Demilec warranty, provided the work is documented and non-destructive. We photograph every step and deliver a written report that can support a warranty claim if we find a manufacturing defect. As an independent Demilec service provider, we have no authority to bind Demilec’s warranty decisions, but our documentation has helped Glendale homeowners successfully file claims. Call (213) 474-3828 if you need audit documentation for a pending warranty issue.
We source materials from our supplier network that includes Demilec-compatible products; we do not claim exclusive or preferred status with any brand. For repairs requiring exact foam chemistry matching - particularly with Heatlok HFO - we specify OEM or manufacturer-approved equivalent. For intumescent coatings and accessory products, we use tested compatible materials that meet the same ASTM E84 and ICC-ESR standards. The written scope you receive before work starts names every product by manufacturer.
Spot repair is almost always cheaper for localized shrinkage, overspray, or coating damage - typically $280-$680 versus $1,800-$4,200 for full-cavity removal and reapplication. We only recommend full removal when moisture has compromised the substrate or when the foam was installed with a now-discontinued formula that cannot be matched. Our audit includes a repair-versus-replace recommendation with both prices in writing.
Same-day or next-day for calls received before 2 p.m. We keep blower-door equipment staged for Glendale because the demand is steady - particularly in spring when homeowners notice the HVAC running longer than it should. Emergency audits for pending real estate transactions can be scheduled outside normal hours. Call (213) 474-3828 to check today’s availability.
A printed report with pre- and post-work blower-door readings in CFM50, thermal images with temperature annotations, photos of all Demilec application zones inspected, a written scope of any recommended work with flat pricing, and our 365-Day Done Right Promise. This is the Documented Photo Record included on every visit - not available on request, because it is never optional.
Written by Wes Okafor, Owner, Topside Attic Insulation Glendale at Topside Attic Insulation Glendale, serving Glendale and nearby areas.