Fast, Reliable Spray Foam Insulation Across Hollywood
If you own a home in Hollywood, CA, spray foam insulation typically costs between $2,800 and $7,500 depending on the area being treated, and most jobs are completed in one to two days. Our crews know the streets of 90028, from the hillside bungalows off Beachwood Drive to the courtyard apartments near Santa Monica Boulevard. We carry both Icynene and Demilec spray foam systems, and we can usually reach Hollywood within the hour. Need a straight answer on your specific job? Call (877) 265-5712 and Allen Decker or a member of the North Tustin Insulation team will give you one.
Why North Tustin Insulation Is Hollywood’s Preferred Spray Foam Insulation Company
Hollywood homeowners keep calling us for one reason: we match the insulation to the house, not the other way around. Most homes here were built long before energy codes existed. That means the typical 1928 bungalow or 1930s courtyard apartment we inspect has either zero insulation or a thin layer of fiberglass that settled decades ago. We do not show up pushing whatever material happens to be loaded on the truck. We look at the roof pitch, the attic depth, the wiring, the crawlspace, and then recommend what actually makes sense for that specific building.
The brand lineup matters here too. We are authorized to install CertainTeed, Icynene, and Demilec products, plus we carry GreenFiber cellulose and Rockwool mineral wool for homes where spray foam is not the right call. That multi-brand capability means you get an honest recommendation, not a sales pitch. Hollywood is a dense, older built environment. Working here requires crews who understand zero-lot-line access, historic district sensitivities, and flat roofs with tight cavities. Our teams have that knowledge, and our customers across 90028 keep telling their neighbors about it.
Crawl Space Spray Foam Insulation in Hollywood
Crawl Space Spray Foam Insulation is one of the most common jobs we handle in Hollywood, particularly in the hillside bungalows and canyon-adjacent streets where floor cavities sit open to hot, dry air and the occasional ember drifting in from wildfire season. Many of these homes have vented crawlspaces that were designed for a different climate era. Air moves freely under the house, making rooms above noticeably colder in winter and hotter in summer, and every gust carries dust and smoke into the living space. Sealing that underfloor cavity with closed-cell spray foam does two things at once: it stops the air movement and it insulates the floor system. In the Hollywood Hills and hillside-adjacent pockets of 90028, we regularly add ember-resistant vent covers to the job, a detail flatland insulation crews rarely think about.
Typical crawl space spray foam insulation in Hollywood runs $1,600 to $3,800 depending on square footage, access, and whether drainage needs attention first. Older crawlspaces here often hold moisture from the winter wet season. Foam over a perpetually damp cavity traps that water against the original wood framing and causes rot. We check drainage before we spray, and we will tell you if something needs to be fixed first. Your home’s framing is older than most of the people working on it. We treat it that way.
Ember-Resistant Sealing for Hillside Crawlspaces
Homes in the canyons off Beachwood and along the Hollywood Hills face a risk most flatland Hollywood lots never see: wildfire embers entering through foundation vents. Spray foam alone does not solve that. We pair the foam with metal mesh vent covers that block embers while still allowing minimal air movement. It is a retrofit detail that matters a lot in fire-prone years.
When Drainage Comes First
Hollywood’s wet winters saturate hillside soil. If a crawlspace has standing water or visible moisture staining on the framing, spraying foam before fixing drainage is wasting your money. We will say so plainly and recommend either a vapor barrier, a sump, or regrading work before we touch a spray gun. Call (877) 265-5712 and we will assess yours before quoting anything.
Garage Spray Foam Insulation in Hollywood
Garage Spray Foam Insulation in Hollywood solves a problem a lot of people do not realize they have. In the 1920s and 1930s bungalows around central Hollywood, garages were usually detached, uninsulated, and never designed for the role they play now: home gyms, workshops, storage for temperature-sensitive gear, or a buffer space that roasts in the summer sun and leaks cold air into an attached laundry room or den. Sealing the garage ceiling, walls, or the shared wall with the house using open-cell or closed-cell foam makes an immediate difference in how the rest of the home feels.
Garage ceiling spray foam in Hollywood typically costs $1,200 to $2,900 depending on ceiling area and whether we are also treating the shared wall. Detached garages near historic alleyways often have open rafter tails and gable vents, which make them faster and cleaner to spray. Attached garages in the 1960s and 1970s low-rise apartment buildings have a different profile entirely: a shared wall, wood framing, and sometimes a bedroom directly above the garage. Those jobs need careful attention to the garage-to-living-space air seal, because exhaust fumes and whatever is stored in the garage should never migrate into the house. For an exact quote on a garage in Hollywood, call (877) 265-5712.
Shared-Wall Sealing in Attached Garages
When a garage shares a wall with a bedroom or kitchen, spray foam does double duty. It insulates the wall and it air-seals it. That reduces both thermal loss and fume migration. In Hollywood’s mid-century apartment stock, we see this configuration constantly. Open-cell foam works well here because it expands into every stud bay and seals around electrical boxes and plumbing penetrations.
Detached Garage Ceilings With Open Rafters
Detached garages behind Hollywood bungalows usually have minimal framing and no ceiling drywall. Closed-cell foam applied directly to the roof deck keeps the garage usable year-round without adding a bulky framed ceiling below the roofline. It is a clean retrofit that preserves the original look from the alley side.
Trusted Brands We Service in Hollywood
We stock and install spray foam from Icynene and Demilec, two of the most established names in open-cell and closed-cell foam chemistry. Both are high-performance systems with well-documented track records. For Hollywood homeowners who want an option other than spray foam, we also carry CertainTeed fiberglass and GreenFiber recycled cellulose, which gives us a full material palette to compare against your specific roofline, budget, and comfort goals. Eight brands across four material categories is not a marketing gimmick. It is the reason a homeowner off Franklin Avenue gets a different recommendation than one in the Hollywood Hills. Different houses need different systems. We carry the inventory to match them honestly.
Common Spray Foam Insulation Problems We See in Hollywood Homes
- Foam sprayed over original knob-and-tube wiring. Many 1920s Hollywood homes still have live knob-and-tube circuits in the attic. Spray foam applied directly over that wiring creates a fire hazard and will fail inspection. Wiring must be updated or decommissioned before we will spray. Any contractor who does not check for this first is not qualified to work in this neighborhood.
- Too-thin foam in low-pitch attics. Flat and low-pitch roofs leave very little attic cavity. An inexperienced crew rushes and applies a thin, uneven pass. That leaves condensing surfaces and poor thermal performance. Our crews use low-profile rigs and injection-foam techniques for these shallow cavities. It is slower, but it is the only way to do it right on a historic roofline.
- Moisture trapped in hillside crawlspaces. A hillside crawlspace in 90028 that does not drain properly will rot once closed-cell foam is sprayed over wet framing. We inspect for drainage issues before every spray job. If water is present, we flag it and recommend a fix first. Foam over moisture is a bill for mold remediation waiting to happen.
- Air sealing ignored in wildfire-smoke seasons. Hollywood sits far enough inland that smoke from regional fires settles in the basin. Unsealed attics and crawlspaces pull that smoke into the house. Spray foam is the most effective air seal available among insulation types. Closing the envelope reduces smoke infiltration measurably, and it is becoming the number-one reason Hollywood homeowners call us in late summer.
Pricing for Spray Foam Insulation in Hollywood, CA
Here are actual numbers for Hollywood’s market. Open-cell spray foam on an attic or garage ceiling runs $1.20 to $2.10 per board foot installed. Closed-cell foam, which adds vapor resistance and structural strength, runs $2.00 to $3.50 per board foot. A full crawlspace job in the hills usually lands between $1,600 and $3,800. A detached garage ceiling is typically $1,200 to $2,900. The biggest cost variables in Hollywood are access, cavity depth, and whether knob-and-tube wiring must be addressed before we can spray. We do not quote blind over the phone. Allen Decker will schedule a site visit, measure the actual cavities and rooflines, and give you a fixed number before any work begins. Call (877) 265-5712 for a free estimate in Hollywood.
We Also Serve Cities Near Hollywood
North Tustin Insulation works throughout the Los Angeles basin. Along with our Spray Foam Insulation in Hollywood service area, we regularly send crews to Universal City, West Hollywood, Koreatown, and Echo Park. Many of those neighborhoods share Hollywood’s older housing stock and shallow attic profiles, so the same specialized techniques apply. If your property sits just outside 90028, call (877) 265-5712 and we will confirm coverage on the spot.
Serving Hollywood, CA — Our Local Coverage Area
We’re based in the Hollywood area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Spray Foam Insulation in Hollywood
Yes, shallow attic cavities in Hollywood’s 1920s bungalows can be insulated with spray foam, but it requires low-profile spray equipment and in some cases injection-foam techniques rather than standard spray rigs. These older low-pitch and flat roofs often leave only a few inches of clearance, which standard equipment cannot navigate without damaging the roofline or applying the foam unevenly. Our crews work with these constraints regularly across 90028. Call (877) 265-5712 to have your attic depth assessed.
We handle zero-lot-line Hollywood properties by using narrow-access equipment and coordinating access through courtyards, alleys, and side passages that standard job sites never require. Many courtyard apartments and bungalow courts share walls or sit inches from a neighboring structure. That changes where hoses run, where equipment parks, and how the crew enters the attic. Our teams know the courtyard configurations of central Hollywood well enough to quote the job without surprises.
No, spray foam should never be applied over live knob-and-tube wiring, which remains common in Hollywood homes built before the 1940s. The foam encapsulates the wiring and prevents heat dissipation, creating a fire hazard that will not pass inspection. The wiring must be decommissioned or replaced by a licensed electrician before insulation goes in. We check for knob-and-tube during every attic inspection, and we will not spray until it is resolved. Call (877) 265-5712 and we will flag it during the estimate.
The best approach for a Hollywood Hills crawlspace exposed to wildfire embers is closed-cell spray foam on the underside of the floor combined with ember-resistant metal vent covers. The foam seals and insulates the floor cavity. The vent covers stop burning embers from entering during wildfire season. On a 1928 Spanish Colonial bungalow near the Hollywood Hills, our crew applied Icynene spray foam to the underside of the floor and installed ember-resistant vent covers, sealing the cavity while preserving the original stucco exterior and zero-lot-line access. Call (877) 265-5712 for a crawlspace assessment.
Yes, spray foam insulation reduces wildfire smoke infiltration in Hollywood homes because it is the most complete air seal available among insulation types. Unsealed attics, crawlspaces, and rim joists pull outside air into the house, and during fire season that air carries smoke. Closing the building envelope with spray foam measurably reduces how much of that smoke enters the living space. For homes in the Hollywood Hills and throughout 90028, this has become one of the most common reasons people call. Call (877) 265-5712 to talk about air sealing for your home.
Written by Allen Decker, Owner at North Tustin Insulation, serving Hollywood since the company’s founding.