Channel Letter Signs in Philadelphia | Custom Fabricated & LED Illuminated
Martino Signs designs and fabricates custom channel letter signs for commercial storefronts, shopping centers, and multi-site brand programs across the Philadelphia region. Built in our Folcroft production facility, every letter is engineered for your specific building, brand standards, and local permitting requirements.
Used by the world's leading companies, ANd Your Neighbors
What are Channel Letter Signs?
Channel letter signs are three-dimensional, individually fabricated letters mounted to a building's exterior facade or a raceway. Each letter is constructed from aluminum — not plastic — with a formed face and returns, then illuminated with internal LED modules. Common illumination types include face-lit (standard front-glow), reverse-lit halo (light projects behind the letter onto the wall), and open-face (exposed neon or LED). They are the standard exterior identification sign for retail, restaurant, healthcare, and corporate facilities, and the most commonly specified sign type in national brand rollouts and multi-site sign programs.
Why Businesses Specify Channel Letter Signs
Channel letter signs are the most-specified exterior sign type in commercial construction and brand rollouts for good reason. They are durable, code-compliant, and visible around the clock.
Lower Operating Costs with LED Illumination
LED modules use significantly less energy than legacy neon and fluorescent lamp systems, and they last far longer — reducing both utility costs and maintenance calls over the life of the sign.
Raceway-Mounted or Direct-to-Wall
Channel letters can be mounted directly to a building surface or to a raceway — a finished metal housing that conceals wiring. Raceway mounting simplifies installation on surfaces where direct penetration is not practical, including storefronts in multi-tenant retail centers.
Face-Lit, Halo, Open-Face, and Combination Styles
Different illumination types produce very different visual effects. Face-lit is clean and high-visibility. Reverse halo creates a soft glow on the wall behind each letter. Open-face exposes the light source for a retro or industrial look. We will spec the right type for your brand standards and building facade.
Built to Code, Designed for Permitting
Every channel letter sign Martino installs is designed with permitting in mind from the start. We pull permits, coordinate with landlords on sign criteria, and handle the full approval process — so you are not managing a sign company and a permit expediter separately.
Channel Letter Signs
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Where Channel Letter Signs Shine
Channel letters are the default exterior identification sign across nearly every commercial sector. Here is where we install them most frequently in the Philadelphia area.
Retail Environments
Storefronts in strip centers, power centers, and mixed-use developments typically require illuminated channel letters per the center's sign criteria. We fabricate to spec and coordinate with property management on approval.
Corporate Offices
Office parks and corporate campus buildings often specify halo-lit channel letters for a cleaner, more architectural look. We work with tenants, building owners, and their architects to ensure the sign meets lease and aesthetic requirements.
Restaurants and Cafés
Restaurant signage needs to be readable from the street and visible after dark. Channel letters with LED illumination are the industry standard for full-service restaurants, QSR locations, and food halls in the Philadelphia market.
Shopping Centers
We work directly with national tenants, brand program managers, and local independents on shopping center sign packages. Our experience with sign criteria documents means fewer revision cycles and faster permit approvals.
"The custom suspended signs from Martino Signs have elevated our visibility and professionalism. We couldn't be happier with the results!"
This is one of the best companies I've ever worked with. Response from start to finish was amazing. My salesman, Jared, was very responsive witth all my questions and followups for everything... GREAT COMPANY!
Transforming Spaces with Custom Signage Solutions
Our innovative signage solutions helped the Children’s Museum of Discovery create a bold, inviting entrance that draws in families and sparks curiosity. This featured project showcases the perfect mix of creativity, durability, and functionality to match the museum’s playful spirit.
Project Highlight
A vibrant, custom-designed sign package that blends playful design with high visibility—perfectly capturing the museum’s mission to engage and inspire young minds.
FAQs
A sign cabinet is a single enclosed illuminated box structure with a graphic face panel, while channel letters are individually fabricated illuminated letters mounted directly to a building or raceway. Channel letters typically offer a more modern, premium appearance, while cabinet signs are a more cost effective and versatile option.
Many channel letter installations require a bucket truck, lift, or crane depending on building height, sign size, and site access conditions. Smaller storefront signs may only require a standard lift, while larger commercial or multi story installations often need crane access for safe and efficient installation.
High quality channel letters are built to last 10 to 15 years or more with proper maintenance. Aluminum construction, acrylic faces, and LED lighting systems are designed for long term exterior durability and weather resistance. LED modules typically last 50,000 hours or longer before replacement may be needed.
Yes. Channel letters are individually mounted to a raceway or directly to the building, which makes them relatively easy to replace letter by letter or as a full set. If your new brand uses a similar letter count and layout, the mounting hardware can often stay in place. Completely different logos or layouts may require new mounting points, but the overall cost is still far less than a full structural replacement.
Channel letters are typically fabricated from aluminum returns and backs with acrylic faces and internal LED illumination. Aluminum provides long term durability and weather resistance, while acrylic faces allow for bright, even light distribution. High quality channel letters are engineered for long term exterior use on storefronts, retail centers, restaurants, and commercial buildings.
Raceway mounted channel letters attach to a painted aluminum raceway that houses the wiring and power supplies, minimizing wall penetrations and simplifying installation. Flush mounted channel letters install directly to the building surface with wiring concealed behind each letter for a cleaner, more custom appearance. Flush mounting typically requires more labor and wall access but produces a more premium finished look.
Acrylic faces provide a smooth, glossy finish with excellent light diffusion and are the most common choice for channel letter signs. Polycarbonate faces are more impact resistant and durable in high traffic or extreme weather environments. Acrylic is typically preferred for appearance and color clarity, while polycarbonate is chosen when added strength and impact resistance are the priority.
Yes. Channel letter faces can crack, fade, or discolor over time due to UV exposure, weather conditions, age, or impact damage. High quality acrylic faces and premium vinyl graphics help reduce fading and extend the lifespan of the sign. Regular maintenance and timely repairs help keep channel letters looking bright and professional.
Channel letters are individual illuminated 3D letters or logos mounted directly to a building for a clean, modern appearance. Cabinet signs are illuminated box signs with graphics applied to a single face panel. Channel letters offer a more premium look, better visibility, and greater customization for storefronts, retail centers, restaurants, and commercial properties.
In most professional channel letter installations, wiring is fully concealed for a clean, finished appearance. Flush mounted channel letters hide wiring inside the building wall, while raceway mounted signs contain all wiring and power supplies neatly within the aluminum raceway.
Shopping center signage programs typically include pylon signs, monument signs, tenant panel directories, channel letters, blade signs, directional signs, wayfinding signs, parking signs, and illuminated storefront signage, often working together as a coordinated system.
Front lit channel letters illuminate through the face of the letter for a bright, highly visible appearance. Halo lit channel letters, also called reverse channel letters, project light from behind the letter to create a soft backlit glow against the building surface. Front lit signs are typically brighter and more traditional, while halo lit signs offer a modern, upscale look well suited to premium retail and hospitality brands.
Not necessarily — lighting, color accuracy, and brightness depend on the materials and LED configuration used in the new sign. If you are replacing faces in an existing cabinet, the light output and color rendering of the new face will be evaluated during the design process to match your brand's Pantone or PMS colors as closely as possible. A reputable sign company will provide proofs and, when possible, physical color samples before fabrication.
Yes. Channel letters can be fabricated with RGB or color changing LED lighting systems that allow you to switch colors, create effects, and adjust brightness through a remote or app based controller. RGB illuminated channel letters are popular for restaurants, entertainment venues, retail storefronts, and modern commercial branding that benefits from dynamic lighting.
If one channel letter stops working, the issue is typically related to the LED modules, power supply, wiring, or electrical connections inside that specific letter. In most cases the individual letter can be repaired or serviced without replacing the entire sign, helping minimize downtime and maintenance costs.
Yes. Individual channel letters can typically be serviced or repaired without replacing the entire sign. Most lighting issues involve LED modules, power supplies, or wiring inside a specific letter, allowing targeted repairs that minimize maintenance costs and reduce downtime for storefront signage.
Most channel letter installations are completed within a few hours to one full day depending on sign size, mounting method, electrical requirements, and site conditions. Larger commercial installations, crane setups, or more complex electrical work may require additional time.
Yes. Professional sign companies typically offer ongoing service and maintenance for channel letter signs, including LED module repairs, power supply replacement, face repairs, cleaning, and troubleshooting. Routine service helps extend the lifespan and performance of illuminated storefront signage.
In most cases, businesses can remain open during channel letter installation. Sign installations are typically scheduled to minimize disruption and can often be completed during off hours, early mornings, or low traffic periods. Larger installations involving cranes, electrical work, or significant storefront access may require temporary safety restrictions.
When a tenant leaves, their sign is typically removed and they are responsible for restoring the wall or structure to its original condition — patching holes, repainting, and removing any conduit or wiring. Lease agreements usually require tenants to remove their signage within a set number of days after vacating. If a tenant abandons their sign, the landlord may remove it and bill the cost to the tenant. Property managers should address sign removal requirements clearly in the lease to avoid disputes.
Channel letter signs typically range from $2,000 to $20,000 or more depending on size, illumination type, materials, installation conditions, and permitting requirements. Most standard illuminated storefront channel letter signs for retail and commercial buildings fall between $4,000 and $8,000 installed. Custom logos, halo lighting, larger sign sizes, and complex installations can increase overall cost.