Tectonic™ GMC Tri-Fold Tonneau Cover
Tectonic™ is a solid aluminum folding truck bed cover that combines patent-pending dual-motion access, weathertight sealing, key-locking security, and haul-on-top strength, all in a cover that operates smoothly and easily.
Tectonic™ Dual-Motion Tri-Fold Truck Bed Cover
$2,299
3 Year
$2,499
5 Year
$2,899
Lifetime
66'' (5 Feet, 6 Inches) Bed
We don’t currently make a Peragon® tri-fold tonneau cover for the GMC. Select your truck above to join the waitlist and we’ll let you know if that changes.
Every Peragon cover is built from solid aluminum. Browse all truck bed covers.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Sport, Pro, and Max all share the core architecture that makes Tectonic™ the platform it is. Our patent-pending dual-motion design lets you fill the bed to the brim and keep everything within reach.
Every Tectonic™ is a secure, weather-sealed fortress with no-limits access and haul-on-top capability.
Each edition builds on that foundation differently, so you can pick the tier that matches how hard you run your truck. Whichever you choose, it shows up factory-direct and ready to rock.
A capable workhorse at a solid value. Dual-motion access, robust security and all-weather-ready. Everything that makes a Tectonic a Tectonic.
250 lb. Haul-On-Top Capacity (on-road)
500 lb. Static Capacity (parked)
.063 Laser-Welded Aluminum
Ships in ~2-3 weeks
Robust Key Locking Security
Pat. Pend. Dual-Motion Access
30 Minute No-Drill Install
60 Second Removal for Total Bed Access
Steps up where it counts. Double the haul capacity, tougher aluminum, five years of backing. The right pick for most drivers.
500 lb. Haul-on-Top Capacity (on-road)
1000 lb. Static Capacity (parked)
.080 Laser-Welded Aluminum (27% thicker than Sport)
Ships in ~2-3 weeks
Robust Key Locking Security
Pat. Pend. Dual-Motion Access
30 Minute No-Drill Install
60 Second Removal for Total Bed Access
The last cover you'll ever buy. FusionKOTE™ 360 protection, a lifetime warranty and QuickShip ready. No compromises, no equal.
500 lb. Haul-on-Top Capacity (on-road)
1000 lb. Static Capacity (parked)
.080 Laser-Welded Aluminum (27% thicker than Sport)
QuickShip Ready †
Robust Key Locking Security
Pat. Pend. Dual-Motion Access
30 Minute No-Drill Install
60 Second Removal for Total Bed Access
† QuickShip availability is subject to inventory. QuickShip models are regularly kept in-stock and ready-to-ship but occasionally due to high-demand, QuickShip inventory can become depleted and unavailable. Please always review your Quoted Ship Date for confirmation of your actual shipment timeline.
No cheap hinges, fabric or lightweight sandwich panels here. We use welded solid sheet aluminum with structural support members, brought together with hard anodized machined aluminum hinges and components.
A belt-and-suspenders approach to weather protection deploys multiple layers of sealing, creating a robust barrier to the elements, ensuring your cargo stays dry.
Tectonic™ folds in the front and back for quick and easy access. It slides fore and aft just as easily, allowing unhindered access to items stowed anywhere in the bed.
Pack your bed full to the brim, and hit the road knowing that you can access everything, everywhere.
Never run out of space again. When you've used every inch of your bed, Tectonic™ is built to carry on top.
First powdercoated, then finished with a spray-on bedliner topcoat, Tectonic™ Max wears the toughest finish we've ever put on a cover, ready for years of repeated loading.
For those few times when you need complete access to your bed with nothing in the way, Tectonic™ removes entirely in 60 seconds by way of lift-off hinges.
| Haul Capacity | 250–500 lb. (on-road rating) |
|---|---|
| Static Load Rating | 500–1,000 lb. (parked) |
| Panel Material | .063–.080" 5052-H32 aluminum |
| Finish | FusionKOTE™ (powdercoated + bedliner) or XRP™ Rugged Matte Powdercoat Finish |
| Installation Time | 30 minutes or less |
| Warranty | 3 Years / 5 Years / Lifetime |
| Machined Hardware | 316 Stainless Steel |
| Removal Time | Remove entirely in 60 seconds |
| Product Weight | 20–30 lbs. per panel (60–90 lbs. total) |
Our panels are crafted from laser welded 5052-H32 solid aluminum, with 50% greater tensile strength than 3003 alloy aluminum.
Hinges machined from 6061-T6 Aircraft Grade Aluminum with Type III UV Resistant Anodizing (architectural grade). In other words, ready for all the weather, salt, and dust you can throw at it.
Machined aluminum and architectural anodized tie-down cleats are integrated directly with the structural support stud underneath, ensuring your cargo on top isn't going anywhere.
Your cargo is sealed from the elements by multiple layers of protection, including a full perimeter gasket, secondary rail seal and internal rain gutters at the hinge points.
5052-H32 aluminum welded structural support beams provide weight distribution and increased strength.
Literally. First we powdercoat the entire cover with an underbody automotive grade powder to provide incredible adhesion and tooth for the final coat. Then we throw down an indestructible spray-on bedliner finish ready for anything you can throw at it. *Tectonic™ Max only.
Tectonic™ was purposefully designed with easy installation in mind. No professional installer needed. You'll be done in 30 minutes or less.
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