12" x 18" White Aluminum Blanks with Rounded Corners are a professional-grade solution for durable, clean, and visually polished signage projects. Manufactured from pre-painted white aluminum, these sign blanks provide excellent rigidity, weather resistance, and long-term performance for both indoor and outdoor use.

Designed with 3/4" rounded radius corners, these aluminum blanks eliminate sharp edges while delivering a modern, finished appearance that enhances both safety and aesthetics. Each blank features a protective PVC film on one side, helping keep the surface free from dust, scratches, and fingerprints during handling, storage, and fabrication—ensuring a pristine, ready-for-graphics finish.

Available in multiple thickness options, these 12" x 18" aluminum blanks are ideal for everything from lightweight temporary signage to heavy-duty, long-term displays.

Key Features & Benefits

• Pre-painted white aluminum provides a clean, professional appearance
• 3/4" rounded radius corners offer a polished look and improved safety
• Protective PVC film keeps surfaces clean and damage-free
• Excellent durability for indoor and outdoor signage applications
• Resistant to moisture, rust, and environmental exposure
• Multiple thickness options to suit different project requirements
• Easy to cut, drill, route, print, or apply vinyl graphics

Technical Specifications

Material: Pre-Painted Aluminum
Color: White
Size: 12" x 18"
Corner Style: Rounded Corners (3/4" Radius)
Surface Protection: PVC Protective Film (one side)
Thickness Options: 0.040, 0.063, 0.080 gauge
Finish: Smooth, ready-for-graphics surface
Weather Resistance: Suitable for indoor and outdoor use

Common Applications

• Business and storefront signage
• Directional and informational signs
• Real estate, construction, and safety signage
• Vinyl lettering and printed graphics
• Wayfinding and branding displays
• Custom fabricated signs and panels

12" x 18" White Aluminum Blanks with Rounded Corners combine durability, versatility, and a refined appearance—making them an ideal choice for professional sign makers, installers, and DIY projects that demand reliable performance and a clean, finished look.