Orders placed by 3pm ET (M-F) ship same day! *Exclusions apply

Material Information

Sign Materials & Substrates Guide | Sign Kings
Substrate & Product Guide

Materials Information

Discover our range of commercial-grade aluminum, plastics, vinyls, and specialty display materials engineered for durability and high-impact visual performance.

Aluminum & Rigid Substrates

.080 Heavy-Duty Aluminum
Heavy Duty Metal
.080 Heavy-Duty Aluminum Metal Signs

Maximum durability .080 aluminum metal sign panels built to DOT and municipal specifications. Rust-proof, rigid, and resistant to bending.

Best For: Permanent highway, traffic, street name, and harsh outdoor municipal signs.
.040 Standard Aluminum
Standard Metal
.040 Standard Aluminum Metal Signs

Lightweight yet rugged .040 aluminum sheet metal. Won't rust and offers long-lasting outdoor resistance against weather exposure.

Best For: Parking lot signs, property management, wall-mounted safety, and security signage.
Dibond Aluminum Composite
Composite Metal
Dibond® Aluminum Composite Metal

Features two thin aluminum sheets bonded to a solid polyethylene core. Exceptionally flat, lightweight, extremely strong, and warp-resistant.

Best For: Commercial storefront signs, architectural building panels, and large post-mounted displays.
Sintra Expanded PVC
Rigid PVC Plastic
Sintra® Expanded PVC Plastic

Durable, rigid expanded PVC plastic sheet with a smooth matte finish. Lightweight, easy to handle, and offers excellent structural integrity.

Best For: Indoor trade show displays, wall mounting, menu boards, and short-to-medium outdoor signs.
Coroplast
Corrugated Plastic
Coroplast® Corrugated Plastic Yard Signs

Lightweight twin-wall fluted corrugated plastic substrate. Highly economical, waterproof, stain-resistant, and ideal for quick yard sign installations.

Best For: Yard signs, directional arrows, election signage, and temporary outdoor notices.
Retro-Fit Vinyl
Overlay / Resurfacing
Retro-Fit Vinyl Overlays

High-tack, outdoor-durable adhesive vinyl designed to apply directly over existing, clean sign blanks or worn surfaces for seamless refurbishing.

Best For: Updating existing sign panels, face overlays, and quick field refits without replacing hardware.

Specialty Products & Displays

Acrylic Products
Premium Acrylic
Acrylic Signs & Displays

High-gloss, crystal-clear or frosted acrylic panels that provide a modern, high-end 3D glass-like appearance.

Best For: Corporate lobby signs, dry-erase calendars, room identification, and luxury office decor.
Vehicle & Door Magnets
Flexible / Mobile
Vehicle & Door Magnets

Heavy-duty 30-mil magnetic sheeting with direct-to-vinyl printing. Engineered for high-speed vehicle door adherence without damaging paint.

Best For: Fleet vehicle branding, temporary work truck identification, and reusable magnetic signs.
Vinyl Banners
Flexible Banners
Vinyl Banners (13 oz & 18 oz Banner Material)

Available in durable 13 oz and heavy-duty 18 oz banner material weights with reinforced heat-welded hems and brass grommets. Note: 18 oz is required for all double-sided printing.

Best For: Grand openings, event promotions, site fence banners, and temporary high-visibility announcements.

Material Comparison Quick-Reference

Material Name Type / Composition Primary Feature
.080 Aluminum Metal SignsHeavy-duty solid aluminum Rigid Metal Maximum outdoor strength & DOT/traffic compliance
.040 Aluminum Metal SignsStandard solid aluminum Rigid Metal Rust-proof, lightweight, and long-lasting durability
Dibond® Aluminum CompositeAluminum composite core Composite Metal Ultra-flat surface, warp-resistant, highly structural
Sintra® Expanded PVC PlasticExpanded PVC board Rigid Plastic Smooth matte finish, great for indoor/outdoor rigidity
Coroplast® Corrugated PlasticFluted corrugated plastic yard signs Flexible/Light Plastic Economical, 100% waterproof, ideal for yard signs
Retro-Fit Vinyl OverlaysHigh-tack overlay vinyl Adhesive Film Refurbishes worn signs without replacing the panel
Acrylic SignsSolid clear/frosted acrylic Specialty Rigid Modern, high-gloss architectural glass appearance
Vehicle Magnets30-mil vehicle-grade magnetic film Specialty Mobile Removable vehicle door branding that holds at highway speeds
Vinyl Banners (13 oz & 18 oz)13 oz standard or 18 oz heavy-duty banner material (Required for double-sided) Flexible Heavy Vinyl High-impact outdoor display with 18 oz option for double-sided printing

Unsure Which Material Best Fits Your Project?

Our Sign Kings team can recommend the exact material for your installation environment.