How To Fix A Leaking Tonneau Cover?

The cargo capacity in the back of pickup trucks and utility vehicles is enormous. These vehicles are appropriate for both business and personal use. There are numerous attachments available to enhance the vehicle’s capabilities. The water, on the other hand, cannot flow away from the back. The presence of water in the gaps accelerates corrosion and has an impact on the characteristics. The Tonneau Cover was introduced later. People began to utilize it, but exposure to the elements caused the substance to deteriorate over time. It begins to leak once more. So, How To Fix A Leaking Tonneau Cover? If your tonneau cover is leaking, you may quickly fix it by following any of the techniques listed below.

Fix A Leaking Tonneau Cover

What Is A Tonneau Cover?

A tonneau cover is a pickup-truck modification. It is used to cover the cargo space so that the cargo remains safe and is not exposed to the elements directly. The cover is normally composed of cloth or vinyl, and it is joined to the vehicle’s frame by stretchy joints. It enables the user to open and close it quickly and easily. In the market, there are a number of models and designs that suit various cars. Protect your cargo with a tonneau cover if it rolls out over bumps.

Leaky Covers Can be Repaired With The Following Items

Bed Seal Kits Are Awesome

These kits keep the cargo bed in good shape. Seals, strengtheners, and foam blocks are included in this bundle, so you’ll have everything you need to keep water out. It protects the tonneau covers from the elements, including rain, snow, and dirt. It’s pricier than the others, but it’s also more effective. You will not be wasting your money because you will not need any additional resources. Water can’t collect behind the truck with some kits’ drainage system.

Extra Seals Might Do The Trick

Installing another seal to cover tonneau cover side leaks, assuming they’re tiny, is another simple remedy. Purchase covers seals that are identical to or appear to be compatible with your current seal and install them at the leak’s source. When dealing with large holes, however, extra seals are not the best option because they may result in more leaks.

Drainage Water Pipes Can Be Installed

Installing water pipes with rubber insulation on their sides if your tonneau cover leaks on the sides is one of the best remedies. They typically have adhesives and slots on the sides to quickly fix any gaps. You can even combine them to covering the full surface area if necessary.

The pipes stiffen the bed cover, enabling excess water to drip and preventing stagnation (the most common cause of Tonneau Leakage). They can also be used with rolled or folded tonneau coverings. You may find them on various online buying sites, or you can go to your local store and find one that best fits your tonneau cover.

How To Fix Your Leaks In Step By Step Procedures?

You must be very diligent while Repairing Leaks In Your Tonneau Cover because if you do not, you will have to repeat the process and spend more money. Here are some suggestions for repairing your leaks.

  1. You can either cover the liner of your cargo bed with cardboard or have someone inside with a flashlight to examine where the leaks are coming from with the help of another person.
  2. Use a garden hose to sprinkle artificial rain over the cargo bed cover.
  3. Next, open the lid and look for leaks. After that, use a tape or a marker to mark the leaking areas.
  4. Determine which type of material you should use by measuring the sizes of the spots.
  5. Cover the leaks with your selected material and utilize the instructional material as a guide to avoid errors.
  6. After you’ve fixed all of the leaks, cover the cargo bed and test it.
  7. If necessary, repeat the procedure.

You Can Use These Tests To Make Sure The Cover Is Sealed?

You should test all of the unsealed portions of your truck’s bed once you’ve done mending them. Mostly because you don’t want to be surprised the next time you’re driving through a thunderstorm or severe rain. As a result, testing them right after you’ve completed could be a terrific strategy to ensure that what you’ve done is correct. To begin, search for any areas where the sun shines through. On a sunny day, park your truck outside or close the cover.

If there is any space that isn’t covered, the light will go in and the inside of the trunk will become less gloomy. The issue is that you’re looking at it from the outside with the tailgate unlocked, which means your eyes could be deceiving you. But don’t worry, there is a way to be absolutely certain; but, if you are claustrophobic, you will not enjoy it.

You might want to look inside when everything is closed to make sure there is no light filtering. You could do this by climbing beneath the bed cover and having someone else close the tailgate for you. We’re good if it’s dark enough that you can’t see your hand, and your cover is entirely waterproof.


A tonneau cover is important for any truck. It’s essential for keeping your cargo safe from the elements and inquisitive eyes, but it’s only useful if it’s waterproof. A Leaky Tonneau Cover might be inconvenient, especially if you’re transporting water-sensitive cargo. A few leaks on the lid, on the other hand, are not the end of its usefulness; all you have to do is purchase the appropriate sealing material, locate the leaks, and seal them off. This article contains all of the information you’ll need How To Fix A Leaking Tonneau Cover?

The method of repairing a Leaking Hard Folding Tonneau Cover constructed of fiberglass panels is more difficult and should be left to an expert. It requires a kit that includes polyester resin, a hardener, and a structurally strong cloth. A disposable brush is used to mix the resin and hardener and spread it over the broken surface.

Frequently Asked Questions

Why does the bed cover on my truck leak?

If you’re wondering why your belongings get wet behind the truck when it rains, it’s because there are openings between the top of the bed rail and the Tonneau cover most of the time. Even with the seals they provide, water will ultimately seep through. To address this, you must plug these gaps to prevent water from entering.

Do tonneau coverings help you save money on gas?

The greatest approach to enhance the truck’s fuel economy, according to many experts, is to add a tonneau cover. See below for more information on how a tonneau cover can greatly lessen aerodynamic drag and improve gas mileage by up to 10%.

What’s the best way to keep my bed cover from leaking?

If the leaks are on the cover’s edges, you can repair them with silicone or seal strips. To prevent water from entering between the tonneau cover and the seals, place the seals or silicone on the top, not the bottom when repairing these leaks.

What bed cover isn’t prone to leaking?

Hard tonneau covers, which really block out and/or drain water rather than simply repelling it, are the best choice for optimal dryness. While vinyl covers are resistant to water, they aren’t totally waterproof. Hard pickup bed coverings are made of strong fiberglass and are designed to keep any leaks at bay.

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