Trusted Radiant Barrier Installation for West Hollywood Homeowners
Radiant barrier installation in West Hollywood typically costs $1,800-$4,500 for a standard single-family attic, with most jobs completed in one day. Topside Attic Insulation West Hollywood has sealed and insulated over 9,000 homes since 2016, and we treat radiant barrier work as part of a complete envelope strategy, not a standalone add-on. Call (213) 306-2607 for a written price before any work starts.
West Hollywood’s combination of intense summer sun, limited attic ventilation in older construction, and high cooling costs makes radiant barriers one of the most cost-effective upgrades for homes built between 1950 and 1990. We’ve measured attic temperatures above 150°F in unprotected attics near Melrose and La Cienega, where the roof deck absorbs and reradiates heat directly into living spaces below. A properly installed radiant barrier can reduce attic temperatures by 20-35°F, which translates to measurable load reduction on your air conditioning system.
Our crews are background-checked and uniformed, and a live person answers calls 24/7. Every job begins with a written price and ends with a Documented Photo Record. On applicable jobs, we provide before-and-after blower-door numbers so you can verify the air-sealing result in a single figure.
What Our Radiant Barrier Installation Service Includes
Attic Radiant Barrier
Attic radiant barrier is a reflective surface, typically aluminum-faced, installed on the underside of roof rafters or across the attic floor to block radiant heat transfer from the roof deck into your conditioned space. In West Hollywood, we see the greatest benefit in homes with dark composite shingles and minimal existing insulation, where the roof acts as a solar collector for six to eight months of the year. Our crews install Attic Radiant Barrier only after completing air sealing of top plates, can lights, and penetrations, because blowing insulation or hanging foil over an unsealed attic floor traps heat without addressing the convective losses that dominate in older construction.

Radiant Barrier Foil
Radiant Barrier Foil is the most common material, a reinforced aluminum sheet with a fire-rated substrate that installs with staples and specialized tape at seams. We specify foil products from Owens Corning and Johns Manville that meet ASTM C1313 for emissivity below 0.05, meaning they reflect 95% of radiant heat. In West Hollywood’s hillside neighborhoods above Sunset Strip, where roof pitches are steep and access is tight, we use a perforated foil that allows moisture vapor to pass through, preventing condensation issues in winter months when marine layer moisture penetrates attic spaces.

Radiant Barrier Roof Deck
Radiant Barrier Roof Deck is a structural OSB panel with factory-laminated reflective foil, installed during reroofing or new construction but also retrofittable in certain attic configurations. We’ve installed these panels in West Hollywood’s condo conversions along Fountain Avenue and Havenhurst Drive, where HOA rules prohibit visible exterior changes but attic modifications are unrestricted, and in nearby Culver City properties with similar restrictions. The roof-deck approach eliminates the labor of hanging individual foil sheets and provides a more durable, mechanically fastened barrier that won’t sag or tear over time.

Radiant Barrier & Ventilation
Radiant Barrier & Ventilation combines reflective surfaces with calculated airflow to prevent heat buildup rather than merely reflecting it. In West Hollywood’s flat-roofed mid-century apartments and duplexes, we install radiant barrier with continuous soffit-to-ridge ventilation paths, because a 130°F attic with good airflow performs better than a 120°F attic with stagnant air. Our crews measure existing ventilation with a flow hood and specify baffles and vent chutes as needed, ensuring the radiant barrier doesn’t block intake air at the eaves.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Brands We Service for Radiant Barrier Installation

We source radiant barrier materials from Owens Corning, Johns Manville, and GreenFiber, selecting by application rather than by exclusive arrangement. Owens Corning’s radiant barrier products include a foil-faced insulation board we’ve used extensively in West Hollywood’s 1960s ranch homes, where the combination of reflective surface and R-6 rigid insulation addresses both radiant and conductive heat gain in a single installation pass. Johns Manville supplies a perforated radiant barrier foil we prefer for unvented cathedral ceilings and enclosed attics where moisture management is critical, particularly in the humid microclimates near Beverly Hills where morning fog lingers. GreenFiber provides cellulose-based products with reflective coatings for homeowners seeking lower-embodied-carbon options, and we’ve installed these in several West Hollywood LEED renovation projects where material sourcing documentation was required.
Whether your existing radiant barrier was installed by a previous owner with unknown materials, or you’re comparing specifications for a new installation, we can evaluate what you have and specify what you need. Bring us a competing quote for a Free Second Opinion, we’ll read it with you line by line.
Before
AfterSigns You Need Radiant Barrier Installation Right Now
- Your second floor is consistently 8-15°F warmer than the first floor, even with the AC running. This temperature stratification indicates your attic is functioning as a heat reservoir, radiating downward through the ceiling assembly. In West Hollywood’s flat-roofed homes near Santa Monica Boulevard, we’ve measured ceiling surface temperatures above 100°F where no radiant barrier exists, forcing the air handler to run continuously without achieving setpoint.
- Your air conditioning runs non-stop from 2 PM to 8 PM during summer months. Extended afternoon runtime means your cooling system is fighting heat gain faster than it can remove it. A radiant barrier reduces the peak load period by reflecting solar gain before it enters the conditioned envelope, shortening cycles and extending equipment life.
- You’ve added attic insulation but haven’t seen proportional savings on your utility bill. Insulation resists conductive heat flow but does little to stop radiant transfer, which dominates in attics with temperatures above 120°F. We’ve audited homes in West Hollywood where R-38 batts were performing like R-19 because radiant heat was bypassing the insulation entirely.
- Your roof decking is visible from inside the attic and shows dark discoloration or heat damage. Discolored sheathing indicates years of thermal cycling at extreme temperatures, which degrades the adhesive bonds in plywood and OSB. Radiant barrier installation protects the roof structure while reducing heat transfer to living spaces below.
- Your home was built before 1985 and has never had a radiant barrier or reflective roof surface. Pre-1985 construction in West Hollywood predates current Title 24 energy standards, which now require some form of radiant control in new attic assemblies. Retrofitting brings older homes closer to modern performance without the cost of full reconstruction.
Our Radiant Barrier Installation Process - Step by Step

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Pre-installation blower-door test and attic inspection. We pressurize your home to measure air leakage in CFM50, a single number that quantifies how much conditioned air escapes through the envelope. In West Hollywood’s older homes, we typically see 3,500-6,000 CFM50 before any work begins. We photograph existing conditions, identify thermal bypasses, and document insulation depth and type.
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Air sealing of top plates, can lights, plumbing penetrations, and chimney chases. This step is non-negotiable under our protocol. We seal with fire-rated caulk, intumescent sealant, and rigid baffles before any radiant barrier material enters the attic. Skipping this step would trap heat in an attic that still leaks conditioned air, defeating the purpose of the upgrade.
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Radiant barrier material selection and layout. Based on your roof pitch, existing ventilation, and moisture conditions, we specify perforated or non-perforated foil, roof-deck panels, or combined insulation-barrier products. We mark rafter bays and calculate coverage to minimize seams and optimize reflector orientation.
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Installation with documented fastening and seam sealing. Our crews install to manufacturer specifications with pneumatic staplers and aluminum tape at all laps, ensuring the barrier maintains its position and performance over decades. We photograph completed coverage for your Documented Photo Record.
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Post-installation blower-door test and written report delivery. We repeat the pressurization test to quantify air-sealing improvement, typically achieving 20-40% reduction in CFM50. You receive the before-and-after numbers, the photo record, and a written warranty under our 365-Day Done Right Promise before we leave.
How Much Does Radiant Barrier Installation Cost in West Hollywood?
A typical attic radiant barrier installation runs $1,800-$3,200 for homes under 2,500 square feet, with radiant barrier roof-deck retrofits on larger or more complex attics reaching $3,800-$4,500. These ranges assume accessible attic space with standard roof pitches between 4:12 and 8:12; steep pitches above Sunset Plaza or confined crawl attics near the Design District may add 15-25% for labor and safety equipment.
Several factors move the price within these ranges. Attic floor area is the primary driver, followed by existing insulation condition, if we must remove degraded material before installing the barrier, that adds $0.75-$1.50 per square foot. Air sealing scope is the next variable; homes with extensive can lights, open soffits, or unsealed duct penetrations require more material and labor. Ventilation modifications, adding baffles or ridge vents to prevent heat trapping, typically run $400-$900. Finally, material type matters: standard perforated foil is the most economical, while rigid roof-deck panels or combined insulation-barrier products cost more per square foot but deliver higher overall performance.
To avoid overpaying, get competing quotes in writing and compare the scope details, not just the bottom line. Some contractors quote radiant barrier alone without air sealing, which produces a lower price and inferior result. Under Haven Standard Clause 1, we deliver a flat price, written scope, and written warranty before anyone lifts a tool, so you know exactly what you’re paying for. Our free estimate includes the blower-door test, attic inspection, and photo documentation at no charge.
Radiant Barrier Installation Near West Hollywood - Our Service Area

Topside Attic Insulation West Hollywood serves the full West Hollywood area from the Pacific Design Center to the border at La Brea, with typical response times of 30-60 minutes for estimates and same-day availability for urgent consultations. We also work regularly in Radiant Barrier Installation in Beverly Hills, Radiant Barrier Installation in Los Angeles, Culver City, Santa Monica, Burbank, Glendale, and Inglewood. If you’re in Florence-Graham, Huntington Park, Hawthorne, or East Los Angeles, we schedule consolidated route days to maintain efficient travel without passing fuel costs to you.
Serving West Hollywood, CA - Our Local Coverage Area
We’re based in the West 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.
Frequently Asked Questions - Radiant Barrier Installation in West Hollywood

Radiant barrier installation is the placement of a reflective surface, typically aluminum-faced foil or rigid panel, in your attic to block radiant heat transfer from the roof deck into your living space. It works by reflecting infrared radiation rather than absorbing it, which can reduce attic temperatures by 20-35°F and lower cooling loads significantly. In West Hollywood’s climate, it’s most effective when combined with proper air sealing and ventilation. Call (213) 306-2607 for a free estimate on your specific home.
Most residential radiant barrier installations in West Hollywood are completed in one day, with larger or more complex attics requiring a second day. The air sealing that precedes barrier installation typically adds 2-4 hours to the total timeline. We schedule arrival windows with named technicians and text notifications when they’re en route. Call (213) 306-2607 to check availability for your preferred date.
Radiant barrier installation in West Hollywood typically costs $1,800-$4,500 depending on attic size, material type, and whether air sealing or insulation removal is needed. A standard perforated foil installation in a 1,800-square-foot attic runs toward the lower end, while roof-deck panel retrofits or combined insulation-barrier systems trend higher. Every estimate is free, written, and delivered before any work starts. Call (213) 306-2607 for your specific quote.
Yes, we regularly install and service radiant barrier products from both Owens Corning and Johns Manville, and we stock materials from these manufacturers for standard West Hollywood attic configurations. We’ve also worked with GreenFiber reflective cellulose products for homeowners prioritizing lower-embodied-carbon materials. Bring us specifications from any manufacturer for evaluation. Call (213) 306-2607 to discuss material options for your project.
We answer calls 24/7 through a live person, not voicemail, and we can typically schedule urgent consultations within 24 hours for homes experiencing extreme heat gain or AC failure related to attic conditions. True emergency installation is rare, radiant barrier is a planned upgrade, not a breakdown repair, but we prioritize consultations for vulnerable occupants during heat waves. Call (213) 306-2607 anytime to discuss urgency and scheduling.
All radiant barrier installation is covered by our 365-Day Done Right Promise, if it’s not done right, we make it right, backed by a written scope and written warranty delivered before work begins under Haven Standard protocols. Material warranties vary by manufacturer, Owens Corning and Johns Manville typically offer 10-year performance guarantees on their radiant barrier products. The installation workmanship itself is guaranteed for one full year with documented follow-up available. Call (213) 306-2607 for warranty documentation details.
Clear attic access paths and remove stored items from the work area, our crews need unobstructed movement in the attic and at the access hatch. We protect floors and furniture with drop cloths, but fragile items near the access point should be relocated. We’ll need utility access for the blower-door test and may request temporary thermostat adjustment during pressurization. You’ll receive a preparation checklist with your written estimate. Call (213) 306-2607 to schedule your free pre-installation consultation.
Schedule Your Radiant Barrier Installation Service in West Hollywood Today
Call (213) 306-2607 now for a free estimate with written pricing before any work starts. A live person answers 24/7, and our next available consultation in West Hollywood is typically within 48 hours. You’ll receive a Documented Photo Record, before-and-after blower-door numbers on applicable jobs, and the full protection of our 365-Day Done Right Promise. No voicemail loops, no callback windows measured in business days.
Written by Wes Okafor, Owner at Topside Attic Insulation West Hollywood, serving West Hollywood since 2016.