Specification Details
Product Type Flip up Tonneau Cover
Series / Model Guardrox LX5
Compatible Model GMC Sierra 1500 (2019-2026)
Bed Length 5.8 FT (Actual: 70")
Compatibility Notes Fits trucks with or without factory utility track system
Main Material FRP Hard Panel + Heavy-Duty Aluminum Frame
Weather Seal Full-Perimeter EPDM Weather Stripping
Load Capacity 600 lbs (evenly distributed, e.g., snow)
Weather Protection Advanced
UV Protection Anti-UV Powder Coating
Packing Dimensions 67.3" x 29.9" x 5.9"
Packing Weight 72.5 lbs
Item Quantity
Tonneau Cover *1
Rail *2
M5 Socket Set Screws *4
Bulkhead Seal *1
Anti-tilt Shim *4
Clamps *6
Cover Retainer *2
Anti-loosening Screw *2
Prop Rod *2
Hex Key *2 (2.5mm*1 + 5 mm*1)
Waterproof Rubber Plasticine *2

We currently ship only to the contiguous United States (including Washington, D.C.). We do NOT ship to:

- Alaska and Hawaii
- U.S. territories and protectorates
- PO Boxes, APO/FPO addresses
- Military bases and island locations

We currently ship all orders via FedEx as our default carrier. After your order is shipped, estimated delivery time is 2–5 business days within the contiguous United States. View Shipping & Delivery page for more information.

  • Soft tonneau covers: 2 years
  • Hard tonneau covers: 3 years
  • Performance series covers: 5 years

View our Warranty page for more information.

Guardrox LX5 Flip-Up Hard Tri-Fold Tonneau Cover for GMC Sierra 1500, 2019-2026 (5.8FT Bed)

SKU: ATC-HFP82031-02

Flip-Up Design

Stands Upright, Hauls More, Max Cargo Room

Lockable & Theft-Resistant

Hard panels lock tight with your tailgate

Bone-Dry in Any Weather

Full-perimeter sealing strips block rain, snow

No Drilling. No Damage.

Clamps on within 30 minutes with included hardware

Regular price $789.00
Regular price SAVE $300.00 MSRP $1,089.00 Sale price $789.00
Payment Methods Available
  • American Express
  • JCB
  • Mastercard
  • PayPal
  • Visa

DETAILED DESCRIPTION

  • TAILORED FOR GMC SIERRA: Precision-fit LX5 flip-up tonneau cover for 2019-2026 GMC Sierra 1500 5.8ft bed; complements Sierra's premium styling.
  • PREMIUM MEETS PRACTICAL: The flip-up design is perfect for Sierra owners who want both sophistication and functionality—raise it quickly for cargo, keep it closed for a polished look.
  • HIGH-QUALITY FRP PANELS: Fiberglass-reinforced plastic with smooth matte finish; resists weather, UV, and everyday wear; maintains Sierra's upscale appearance.
  • WEATHER-SEALED & SECURE: Multi-layer rubber seals and drain system keep cargo dry; integrated lock protects valuable gear; works with Sierra tailgate lock.
  • CLEAN INSTALLATION: No-drill clamp system preserves your Sierra's bed; installs in minutes; all hardware included.

Why Choose Guardrox?

30+

U.S. Patents

15,000 +

U.S. Truck Owners Served in 2026

4.8 ★

Average Customer Rating

Guardrox LX5 Flip-Up Hard Tri-Fold Tonneau Cover for GMC Sierra 1500, 2019-2026 (5.8FT Bed)

GUARDROX LX5 Flip up Hard Tri-Fold Tonneau Cover

Before VS. After

Swipe to flip up LX5 tonneau cover on Sierra 1500

Flip-up tonneau cover upright on GMC Sierra 1500 for full bed access
Closed hard bed cover on GMC Sierra 1500 sleek low-profile look
Before After
Detail of GMC Sierra 1500 flip-up cover propped open
FLIP UP, LOAD UP

FLIP UP, LOAD UP

Panels fold up and strap flat against the cab — no removing, no hauling it to the garage. Full bed access in seconds, whenever the cargo gets big.

No-drill clamp hardware for LX5 GMC Sierra 1500 tonneau cover
ONE PULL, YOU'RE IN

ONE PULL, YOU'RE IN

The quick-release latch pops open with a single tug — one hand, no fumbling. Drop the panel back down and it clicks shut on its own, locked tight.

Easy single-hand latch on Guardrox LX5 GMC Sierra 1500 bed cover
BUILT TO HOLD TIGHT

BUILT TO HOLD TIGHT

Heavy-duty clamps bite down on your bed rails — no drilling, no shifting, no rattling. Even on washboard roads, it stays locked in place.

Matte finish FRP panel detail of LX5 GMC Sierra 1500 tonneau cover
PANELS THAT TAKE A BEATING

PANELS THAT TAKE A BEATING

Rigid hard panels shrug off dents, scratches, and harsh sun — and they keep prying hands out, too.

Maximize Your Truck Bed with LX5

Guardrox LX5 Flip-Up Hard Tri-Fold Tonneau Cover for GMC Sierra 1500, 2019-2026 (5.8FT Bed)
GMC Sierra 1500 with LX5 tonneau cover on outdoor trip
Overlanding

Overlanding

Gear up and go further. Dust, mud, and miles of rough trail — your equipment stays sealed, dry, and exactly where you packed it.

Family road trip with GMC Sierra 1500 bed cover securing gear
Family Trip

Family Trip

Luggage, strollers, coolers — pack it all, lock it all. Rain or shine, the whole family's cargo arrives safe and dry.

Daily driver GMC Sierra 1500 with Guardrox LX5 tonneau cover
Commuting

Commuting

Groceries, gym bags, work gear — out of sight, out of the weather. Your bed stays clean and your day stays simple.

Product Comparison

Guardrox LX5 and  L5, which model fits your truck?

Current Product Guardrox LX5 Flip-Up Hard Tri-Fold Tonneau Cover for GMC Sierra 1500, 2019-2026 (5.8FT Bed)

Guardrox LX5 Flip-Up Hard Tri-Fold Tonneau Cover for GMC Sierra 1500, 2019-2026 (5.8FT Bed)

$1,089.00 $789.00
VS
Specifications
Comparison Guardrox L5 Hard Tri-Fold Tonneau Cover for GMC Sierra 1500, 2019-2026 (5.8 ft Bed)

Guardrox L5 Hard Tri-Fold Tonneau Cover for GMC Sierra 1500, 2019-2026 (5.8 ft Bed)

$959.00 $759.00
View Details →
FRP Hard Panel + Heavy-Duty Aluminum Frame
Material
FRP Hard Panel + Heavy-Duty Aluminum Frame
Up to 600 lbs(evenly distributed)
Weight Capacity
Up to 400 lbs(evenly distributed)
YES(100% space usage)
FLIP UP
NO
YES
Foldable
YES
Good
Weatherproof
Excellent
No-Drill Clamp-On (≤ 30 Mins)
Installation
No-Drill Clamp-On (≤ 30 Mins)
3-Year Warranty
Warranty
3-Year Warranty
Got Questions?

Frequently Asked Questions

How do I check if this product fits my vehicle?

Verify your vehicle year, make, model, and specific bed length in the product specifications tab. If you are unsure, reach out to our support team with your VIN.

Is installation easy to do at home?

Yes! Most Guardrox items feature clamp-on installation with standard hand tools, requiring no drilling or vehicle modification. Installation typically takes 20 to 30 minutes. We recommend you to watch our installation video for easy and quick steps.

Is this product waterproof and weather-resistant?

Engineered with perimeter weather seals and heavy-duty materials, Guardrox LX5 effectively channel water away and protect cargo against rain, snow, and UV rays.

What warranty is included?

We provide 3-year warranty for LX5 series. In the rare event of a defect, our support team will promptly assist with replacement parts.

What are your shipping and delivery times?

Orders are dispatched within 1-2 business days from our fulfillment centers. Standard delivery across the contiguous US arrives in 2-5 business days.