Extang Solid Fold ALX
Hard Tri-Fold Tonneau Cover

The Extang Solid Fold ALX is a hard tri-fold tonneau cover that combines tough aluminum construction, versatility and easy installation. The ALX (Aluminum eXtra) designation indicates the upgraded aircraft-grade aluminum used in the panel frames.

Key Features

• Aircraft-grade aluminum panel frames — stronger and lighter than standard steel
• EZ-Lock clamp system — installs without any tools in under 30 minutes
• Compatible with most truck toolboxes — rare for a hard folding cover
• Weathertight seal system with rubber gaskets on all four sides
• Full bed access when all three panels are folded forward
• Prop rod holds cover open for loading tall cargo
• Drain tube system built into the rail

Toolbox Compatibility

One of the standout features of the Solid Fold ALX is its toolbox-compatible rail design. Most hard folding covers cannot be used alongside a crossover toolbox. The Extang solves this by raising the forward rail section to accommodate standard crossover toolboxes — making it one of the few hard covers that truly combines security with contractor-level utility.