How to Replace Your RV Underbelly Material

Fixing or replacing your RV underbelly material may sound like a daunting task. If you have a 45-foot toy hauler, that’s a lot of underbelly!

Let’s look at how to make these repairs to your RV underbelly material so that when it happens to you, you can take care of it yourself!

Depending on the type of RV underbelly material, you’ll have to fix tears, leaks, and cracks differently.

Animals can claw at it, or debris from traveling will eventually rip a hole. However, this is one of the most straightforward repairs. Just tape it!

Problem:  Torn Underbelly

There’s specific underbelly tape for this purpose, an adhesive polyethylene material. It’s durable and waterproof. Clean the area near the tear or hole and apply the tape.

First, locate the leak. Take a knife and cut into the underbelly material in a few places so you can take a look around the underneath of the RV.

Problem:  Leaking Underbelly

First, figure out how to attach the RV underbelly material. Raise the RV on jacks and secure it before crawling underneath.

Problem:  Broken Sheet

Then remove the nails, screws, or fasteners. You’ll need tools like a hammer, screwdriver, or maybe even a crowbar.

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