The UnderCover Flex is a hard folding truck bed cover that gives you the ultimate control of your truck bed, offering three secure riding positions. The cover is easy to remove, requires no drilling for installation, and is mounted flush with your trucks bed rails making it the most watertight hard folding cover on the market. The Flex is constructed with heavy-duty aluminum panels providing strength and durability.
Each Flex has a bed rail mounting system equipped with rubber seals and drain tubes that carry water away from and out of the bed, keeping your gear dry and secure. The Flex is backed by a 3-year warranty making it America's favorite hard folding tonneau cover.
UnderCover stands behind the quality of their products, and proudly offers warranties to cover the workmanship, hardware and the products themselves. Our experienced Customer Service Team is always ready to help with warranty questions and registrations.
This warranty applies only to the original purchaser, only when purchased from an authorized UnderCover dealer and is non-transferable. Your original sales receipt will serve as proof of purchase for this warranty. This warranty only applies to the original vehicle or original installation. Before credit can be issued on a warranty claim, proof of defect may be required in the form of pictures. This will be determined at the time of claim.
Not covered under this warranty is failure due to neglect, improper installation including any modifications to the product, use in competitive racing, alterations, addition of equipment, abuse, accident, weather related damage, exposure to chemicals that are not labelled “safe for plastics”, and normal wear and tear from lack of maintenance. Products not painted at the UnderCover factory are excluded from the lifetime paint warranty.
In the event that your light brow is found to be defective under the terms of this warranty, it is at the discretion of UnderCover, Inc. to repair or replace the defective part. All repairs must be made by an authorized UnderCover dealer or under direction of UnderCover, Inc. In the case of either event, UnderCover, Inc. is not responsible for any transportation costs associated with the warranted claim.
The Flex is weather resistant. The Flex utilizes rail channels and drain tubes to move water away from the bed. Ultimately, no folding cover is completely waterproof as there are tailgate gaps and other areas that may allow some intrusion.
The Flex can usually be installed in about 45 minutes
Yes. The Flex utilizes strut mounts to stabilize the cover while driving.
Yes. There are two available cover positions while pulling a 5th wheel. Upright and ¾ bed access
We do not assign a speed rating to the Flex in the upright position, but it is well equipped to handle legal interstate speeds.
3 Years on workmanship and materials. 1 year on hardware.
No. The cover in the upright position will block view out the back window.
Simply unscrew the two elevator bolts and lift!
After a day or two, direct sunlight will be absorbed and help the seals lay flat.
No. The Flex utilizes clamps and a no-drill installation.
No. Flex cannot be installed with a toolbox.
The Flex secures your cargo with the help of a tailgate lock. The only access point is the pull cord underneath to open the cover. If your tailgate is locked, your cover is locked.
All UnderCover products are proudly made in the USA.
Yes. The Flex will work with BedRug, spray-ins and any under the rail bedliner. Flex is also compatible with many aftermarket bed caps.
Please feel free to make use of the UnderCover Flex installation instructions below to assist you with the installation of your UnderCover Flex. You will find a printed installation instructions to help guide you through the simple process.
If you have further questions or need technical assistance with the install of any UnderCover Flex, please call one of our knowledgeable installation experts at 866-900-8800 or send us a message and we will be happy to assist you.
The UnderCover Flex application guide will assist you in identifying the UnderCover Flex hard folding tonneau cover that is made for your pick-up truck. Please feel free to select the UnderCover Flex application that is right for you by making use of the make, year, model and truck bed size of your truck.
If you have questions about which UnderCover Flex truck bed cover is the best fit for your truck, please call us at 1-866-900-8800 or Contact us and we will be happy to assist you.