Icynene Attic Insulation: The Inglewood Owner’s Guide
If you’ve got Icynene spray foam in your Inglewood attic and it’s not performing, we stock and install Icynene-compatible attic insulation, with most jobs priced between $1,800 and $4,500 installed and completed same-day. Most Inglewood homeowners don’t discover a problem until their upstairs rooms start running ten degrees warmer than the rest of the house or the energy bill climbs for no obvious reason. Here’s what you need to know about matching, pricing, and replacing it.
Which Icynene Models This Applies To
Icynene’s attic insulation line splits into two families: open-cell (the Classic and Classic Max, typically 0.5 lb density) and closed-cell (ProSeal and ProSeal LE, typically 2.0 lb density). They serve different functions. Open-cell expands into 100 times its liquid volume and is usually what we see in existing Inglewood attics built between 2010 and 2020. Closed-cell adds structural rigidity and a vapor barrier and is more common in new construction near SoFi Stadium and the Renaissance developments.
The identification gotcha most owners hit: the foam itself has no visible label once cured, so matching means either pulling a piece and measuring its density, or cross-referencing the original contract. If you don’t have the paperwork, we take a core sample on site. For full-batch replacement or addition, we use genuine Icynene product lines along with quality equivalents from Demilec and Johns Manville where they match spec-for-spec. We’re an independent contractor, not affiliated with Icynene, so we tell you straight when a compatible material does the same job without the brand markup.
Signs Your Icynene Attic Insulation Is Failing
- Rooms directly under the attic run consistently hotter in summer and colder in winter. This points to shrinkage or separation. Icynene open-cell can pull away from rafters over years of Inglewood’s temperature swings, creating gaps that let conditioned air escape.
- Your energy bill creeps up 15-30% without a change in usage. Foam that’s lost its seal is exactly what Southern California Edison sees on the meter side, even if you don’t feel it in the living room yet.
- You smell mustiness or see dark staining on the underside of the foam. A roof leak that sat undetected against Icynene can saturate the outer layer. Open-cell foam holds water, and once it does, the R-value drops and mold becomes a real risk.
- Pest activity in the attic space. Rats and squirrels in Inglewood will tear through open-cell foam like it’s nothing, carving out nests inside the insulation. We see this constantly in older homes around Morningside Park.
- The foam feels brittle or crumbly when touched. UV exposure through a cracked roof vent or gable opening degrades uncured edge foam. It’ll flake and lose its integrity.
Replacement Cost & What’s Included
Full Icynene attic insulation replacement in Inglewood runs $2,200 to $5,500 for a standard 1,200 to 2,000 square foot attic. Spot repairs where we cut out damaged sections and re-spray run $600 to $1,400 per section. The spread depends on three things: whether we’re doing open-cell or closed-cell, how much old foam must be removed, and whether your attic needs air sealing addressed at the same time. Most attics do. That’s the honest part: spraying new foam into a leaky attic without sealing the gaps is wasted money.
Every quote includes labor, material, removal of old foam where required, and the 90-Day Done Right Promise. If the new insulation isn’t performing right, we make it right. Written, not verbal.
DIY or Call Us?
There’s no realistic DIY path for Icynene replacement. The chemistry requires heated, pressurized equipment and a trained operator, and we want you to understand that up front. The material itself is an isocyanate-based foam that off-gases during application and needs proper ventilation and PPE. Attempting a DIY spray kit in an enclosed attic is genuinely dangerous.
What you can do safely: check your attic access panel for air gaps, look for visible gaps between foam and rafters, and note any water staining on the ceiling below. That’s information we need anyway, and it helps us price the job before we arrive. For everything else, call (424) 622-5846 and ask for a free estimate. Live person answers, every time.
FAQs
Properly installed Icynene open-cell lasts 25 to 40 years; closed-cell can outlast the house. Inglewood’s mild coastal climate actually helps here. What kills foam early isn’t heat, it’s moisture and pest intrusion, which is why we inspect for roof leaks and rodent entry points before we ever recommend replacement.
Yes, if the damage is localized. We cut out the compromised section, inspect the sheathing, and re-spray the area with a compatible open-cell or closed-cell product. If more than 40% of the foam is compromised, replacement is almost always cheaper per square foot. Call (424) 622-5846 and we’ll give it an honest assessment.
Most Inglewood attic replacements are completed in one day, start to finish. Larger homes pushing 2,500 square feet or attics with extensive old foam removal may take a second day. Most jobs are completed in a single visit, and we’ll tell you the timeline before we schedule.
We carry open-cell Icynene product, Demilec, and Johns Manville equivalents on the truck, along with the Reflectix radiant barrier material often used as a complement in Inglewood attics. Closed-cell is stocked in standard 55-gallon sets at our local supply yard. Rarely do we wait more than 24 hours for a material.
Written by Neil Ashford, Owner, Warmline Insulation Co., serving Inglewood and nearby areas.