Where does water come in around RV slide outs and cause damage?

By Dustin Simpson
An RV owner in one of my Facebook groups asked, “Where is the water getting in on my slide out?”

No matter what manufacturer brand, make or model RV you have, all the slide outs, no matter the design, can leak at these flange moldings because of friction and movement.  This is just one example of damage, so make sure you’re checking the roof, floors, and behind the couch and cabinets to ensure you don’t have damage.

The red arrows are all areas that can, and are, leaking. The yellow circle is where I would have added additional screws.

Remember you will not see water right away—it’s not a flood! It’s a slow leak that kills your unit…

Check for signs of stains on the carpet edges. This can be a sign of water damage.
Hidden damage to slide out flooring.

Let’s see what’s discussed in this video that applies to every unit. This is a two-part video. Please see the other slide out tips and maintenance videos we have made.

These Facebook groups were created to help educate owners about parts, problems, repairs, fixes, and upgrades on RV units.

Please follow us on YouTube, see our published articles on RVtravel.com and other social media pages.

Thank you,
Dustin

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1 Comment

Denny K
7 months ago

My 14 Thor Ace 27.1 was leaking water on the floor at the bottom front corner of the slide when the slide was out. Found there was a plastic cup attached in that area that was filling up with water and spilling over onto the floor. The cup was angled toward the inside so I wedged a small piece of wood under the cup to angle it towards the outside and it has not leaked since. Hope this helps someone.