UnderCover 04-21 Ford F-150 5.5ft Triad Bed Cover

The TRIAD by UnderCover is a hard-folding truck bed cover featuring matte black panels for a sleek and innovative addition to your truck bed. Integrated perimeter seals protect your truck bed from the elements, while aluminum panels enhance the security of your truck bed and support up to 600 lbs of evenly distributed weight. The TRIAD has 2 available riding positions in the fully closed and 2/3 open position for convenience to haul and manage most any cargo. The TRIAD is fashioned with easy-to-use tailgate clamps allowing quick access to the truck bed. The TRIAD hard-folding cover comes completely assembled to provide a quick and easy installation and backed by a 3-year warranty.

Additional Information

UnderCover Triad 2004-2025 Ford F-150 5ft. 7in. Bed (Includes Lightning)

Part Type

Tonneau Cover

• Dual hinge seals
• Easy ‘on and off’ functionality
• Easy On-Off Functionality
• Fashionable matte black panels
• Integrated perimeter and corner seals

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Tonneau Cover Triad 04-21 F150 5.5ft

Triad tonneau covers by UnderCover are hard-folding truck bed covers, featuring matte black panels for a sleek and innovative addition to your ride. Integrated perimeter seals protect your truck bed from the elements, while aluminum panels enhance the security of your cargo and support up to 600 lbs. of evenly distributed weight. Triads have two available riding positions—fully open and 2/3 open—for convenience to haul and manage most any cargo. The tonneaus are fashioned with easy-to-use tailgate clamps, allowing quick access to the truck bed. Each hard-folding cover comes completely assembled to provide a quick and easy installation. Order the size designed to fit your truck.