Crafted from high-strength, premium-grade aluminum, Thunder Armor tonneau covers combines American-made
toughness with precision engineering. Each panel is built to resist corrosion, impact, and wear, ensuring
unmatched durability through the toughest conditions. With its sleek, low-profile design that sits nearly
flush with your truck bed, the cover delivers a seamless look while maximizing usable bed space.
NotesDoes not fit Carbon Pro Bed or GM Storage Boxes
Shipping Dimensions72”L x 15”W x 14”H Weight 80-115 lbs.
Description
Hard Aluminum for the Most Popular GM Truck Bed
The 5'8" Short Bed is the most common bed configuration on current-generation GMC Sierra and Chevy Silverado 1500 trucks. Thunder Armor's hard aluminum tonneau cover is precision-fit for the 2019-2026 Sierra and Silverado 1500 5'8" Short Bed, engineered by Thunderstone Manufacturing to deliver premium protection, security, and best-in-class low-profile style.
One cover. Two great trucks. Built to protect everything in your Short Bed.
Thunder Armor Features & Benefits
Made in America: Proudly designed, engineered, sourced, and manufactured in the United States. True American craftsmanship in every detail.
Heavy-Duty: Made from premium-grade aluminum, built to last and provide years of reliable protection against the toughest conditions.
Best-in-Class Low-Profile Design: Engineered for a precision fit, Thunder Armor achieves a best-in-class low-profile design that sits virtually flush with your truck bed.
Enhanced Theft Protection: Durable aluminum construction and secure latch design provide reliable defense against theft and unauthorized access.
Weather Resistance: Keep your cargo dry and safe from rain, snow, and extreme temperatures with our robust all-weather design.
Rear View Visibility: A clean, flush look that maintains rear window visibility and maximizes your truck bed's usable space.
Quick & Easy Installation: Install your tonneau cover in just 30 minutes. Minimal tools required.
Instant Availability: In stock and ready to ship today.
What's Included
Thunder Armor hard aluminum tonneau cover (Sierra/Silverado 1500 5'8" Short Bed specific)
No-drill clamp mounting hardware
Weatherproof perimeter seal
Integrated latch mechanism
Installation hardware and instructions
Model
Bed Length
Bed Type
Year Range
GMC Sierra 1500
5'8" (69.9")
Short Bed
2019–2026
Shevrolet Silverado 1500
5'8" (69.9")
Short Bed
2019–2026
The Thunderstone Manufacturing Standard
Thunder Armor tonneau covers are engineered and manufactured by Thunderstone Manufacturing, a division of Timpte, Inc., a trusted name in trailer manufacturing for over 140 years. Known for building the #1 selling dry-bulk commodity trailer in North America, Timpte brings decades of proven engineering, durability, and American craftsmanship into every Thunder Armor product. This heritage ensures our tonneau covers deliver the same level of strength, reliability, and performance customers have come to expect from the Timpte name.
Why Sierra and Silverado 1500 Owners Choose Thunder Armor
Enhanced theft protection is built into the cover. Thunder Armor's durable aluminum construction and secure latch design provide reliable defense against theft and unauthorized access. A soft cover offers concealment. Thunder Armor offers real protection.
All-weather design for the conditions you actually drive in. Thunder Armor keeps your cargo dry and safe from rain, snow, and extreme temperatures. The precision-fit perimeter seal maintains integrity through years of real use.
Best-in-class low-profile appearance on a premium truck. Thunder Armor sits virtually flush with the bed rail, maintains rear window visibility, and maximizes your usable Short Bed space. It looks like it was designed for the truck.
No-drill installation. Zero modification. Built in America. Thunderstone Manufacturing builds Thunder Armor in Lincoln, Nebraska. No-drill clamp installation means no modification to the truck and no evidence when it's time to sell.
