Perforated Sign Production Specification

Our Side-Perforated Illuminated Letters feature a premium acrylic face combined with precisely crafted perforated stainless steel sides. The acrylic face is available in a wide range of colors to match different brand identities and design requirements, while the irregularly arranged side perforations allow light to shine through, creating a distinctive sparkling, starry-sky effect. Equipped with branded waterproof LED strips, the perforated sign can be customized with either single-color lighting or dynamic RGB multicolor effects, making them an eye-catching led channel letters solution for storefronts, shopping malls, bars, hotels, entertainment venues, and other indoor or outdoor commercial spaces.

1. Raw Materials

• 3–5mm thick acrylic board
• 16 single colors/RGB LED strip lights
• Galvanized sheet / stainless steel / aluminum alloy
The combination of acrylic surfaces, LED illumination, and durable metal materials ensures stable performance and long-lasting outdoor applications. The high-quality metal letter frame provides strong structural support while maintaining an elegant finish.

2. Production & Size Standards

Minimum Stroke Width:
≥2cm
Minimum Font Size
• Regular English letters: over 7cm
• Artistic English fonts: ≥20cm
Side Frame Height Standard
(Frame height matches font height; wider strokes require taller frames)
• 20–40cm fonts: 5cm side frame
• 40–60cm fonts: 6cm side frame
• 60–70cm fonts: 6–8cm side frame
• Fonts above 70cm: 8–10cm side frame
Precise production standards ensure the perforated sign maintain uniform brightness and clear visibility across different sizes and applications.

3. Side Frame Material & Color Options

The stainless steel side frame is 0.5–0.8mm thick and available in brushed and mirror finishes, with silver as the standard base color.
Stainless Steel Finishes
Electroplating:
• Titanium gold
• Champagne gold
• Rose gold
• Black steel
• Other glossy colors
Water Plating:
• Antique bronze
• Antique brass
• Antique copper
Custom Spray Painting:
Any customized color is available according to customer color charts, including PANTONE and RAL options.
Multiple acrylic panel colors are available to meet personalized design requirements and create unique metal letter signage styles.

4. Product Advantages

✅ Excellent Weather Resistance
Designed for outdoor environments, these front-lit letters provide reliable durability and long service life even under challenging weather conditions.
✅ Diverse Design Options
Various surface treatments, metal finishes, and acrylic colors allow flexible customization to match different architectural and branding styles.
✅ Outstanding Visual Effect
The combination of bright front illumination and premium materials makes these illuminated letters an ideal choice for large-size signage projects requiring strong visual impact.
✅ High Cost Performance
Stable quality, reasonable pricing, and long-term durability provide an effective signage solution for commercial applications.

5. Product Disadvantages

Metal edging may create rougher details on smaller-sized letters, making them less suitable for close-range viewing applications.

6. Application Scenarios

Front-lit letters are widely used for:
• Outdoor storefront signs
• Catering shop signs
• Exterior wall signs
• Rooftop large letters
• Commercial building signage
With strong brightness, weather resistance, and customizable finishes, these led channel letters and metal letter solutions help businesses create professional outdoor brand displays with excellent visibility.