Looking for a durable, professional sign panel with a clean finished edge? The 18" × 24" White Aluminum Sign Blanks – Rounded Corners (3/4" Radius) are designed for high-quality indoor and outdoor signage, offering a smooth, rigid surface ideal for vinyl graphics, printing, and mounting. The precision-rounded corners provide a safer, more polished appearance while eliminating the need for additional finishing.

Built for consistent performance in sign shop production and installation environments, these aluminum blanks are available in multiple thickness and quantity options to meet a wide range of project needs.

Key Features & Benefits

• Smooth white finish ideal for vinyl graphics, printing, and overlays
• Precision 3/4" rounded corners for a clean, professional appearance
• Available in multiple thickness options for varying rigidity needs
• Durable aluminum construction for long-term performance
• Weather-resistant for indoor and outdoor applications
• Ready-to-use blanks reduce fabrication time and labor

Available Thickness Options

• .040 Aluminum – Lightweight, economical option for general signage
• .063 Aluminum – Increased rigidity for outdoor and mid-duty applications
• .080 Aluminum – Heavy-duty option for high-wind or structural installs

Available Quantity Options

• 1 Blank
• 25 Blanks
• 100 Blanks

Technical Specifications

• Product Type: Aluminum Sign Blanks / Sign Panels
• Material: Painted Aluminum
• Size: 18" × 24"
• Corner Radius: 3/4"
• Finish: White
• Thickness Options: .040, .063, .080
• Application: Indoor / Outdoor
• Brand: Montroy Supply

Common Applications

• Traffic and parking signs
• Wayfinding and directional signage
• Real estate and property signage
• Vinyl-applied and digitally printed signs
• Custom sign fabrication projects

🔧 Additional Structured Data

• Shipping Type: Standard Ground Eligible
• Cuttable: Yes
• Printable: Yes
• Vinyl Compatible: Yes

Customer Intent

Looking for 18x24 aluminum sign blanks with rounded corners?
Need durable metal panels for outdoor signage or traffic signs?
Searching for white aluminum sheets for vinyl graphics or printing?

The 18" × 24" White Aluminum Sign Blanks – Rounded Corners (3/4" Radius) provide a durable, professional, and production-ready solution for signage, delivering clean edges, improved safety, and long-term performance.