Sign Bodies
Alum-Line offers custom-built Sign Bodies designed for communities, municipalities, and professionals responsible for sign installation. These aluminum truck bodies are engineered for durability, lightweight performance, and long-term reliability. Many unique features exclusive to Alum-Line. Popular options include slide-in sign storage, rollup doors, shelving, mesh storage baskets, and interior crane support compartments.
Lightweight Strength That Outperforms Steel
High-strength aluminum delivers durability without unnecessary weight.
Proudly Made in the USA Since 1986
American-built trailers and work products trusted nationwide.
Designed for Commercial & Recreational Use
Built to handle demanding jobs, daily hauling, and custom applications.
Standard Features
Standard features engineered for strength, longevity, and everyday reliability.
- Extruded aluminum superstructure including crossmembers and mounting sills
- Thickness of material includes .125 smooth and diamond plate, .190 smooth or diamond plate
- Heavy duty flooring in several thicknesses based on design and capacity needed
- All LED, DOT lighting meeting Highway Federal Standards
- Grooved header plastic sign slots
- Truck bed style sign bodies include extruded aluminum perimeter deck; 1/4" and 1/2"
Optional Features
Optional enhancements designed to tailor your build for specific jobs, loads, and real-world use cases.
- Enclosed long sill compartment
- Second floor with separate post compartments
- Various lengths available
- Roll-up doors or lift-up doors
- Compartments to fit any size signs
- Fixed and adjustable shelving
- Pull-out sliding trays
- Gas bottle holder
- Side skirting with fender flares
- Compartment lighting
- Rear step bumper for sign assembly
- Safety steps and hand rails
- Reinforced compartments for crane mounting
- Open mesh baskets for storage
- E-track in cargo area
Popular Sizes
See Our Products in Action
Get a closer look at the design, construction, and real-world performance behind every Alum-Line build.
Decades of experience, trusted by thousands—precision, strength, and reliability in every build.
American-built aluminum products designed for real-world work, backed by three core principles for every product delivered
Built on 40 Years of Proven Craftsmanship
Since 1986, Alum-Line has produced premium all-aluminum trailers, truck beds, bodies, boxes, and specialty transport solutions for customers across the U.S. Our decades of experience shape every weld, panel, and design we build.
USa Manufacturing Power That Sets Us Apart
With over 120,000 sq. ft. of production space, dedicated plants, and continuous expansion, Alum-Line delivers the strength, precision, and consistency needed for commercial-grade performance in every product.
Nationwide Network Backed for years
Supported by 200+ dealers across the country and protected by a five-year workmanship warranty, our aluminum solutions are engineered to outperform steel and built to last a lifetime.
Trailers Built For Hard Work Across America.
With years of hands-on experience and a commitment to quality craftsmanship, we turn raw materials into real-world solutions — from custom industrial parts to full-scale fabrication projects.
Years in Business
120,000 Sqft Manufacturing Facilities
Dealers Across the USA
Where Workmanship Lasts a Lifetime.
Specials
Limited-run pricing on select aluminum builds—grab deals before they’re gone.
New Products
Newly engineered additions built for tougher jobs and higher performance.
Reviews
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Warranty
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