May 27, 2024

Easy Hack To Prevent Black Streaks On Your RV

Here is a very effective and inexpensive way to prevent “RAIN STAIN” or black streaking on your RV, camper or van. You won’t believe how simple it is.

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Those of us who live in rainy climates are prone to have discoloration or black streaking on areas of the RV where rain water tends to run down. Covering your RV with a good quality RV cover is the best way to prevent this, but it’s not always possible to keep your RV out of the rain. So I came up with this very simple DIY solution to divert water from my roof onto the ground.

There are several types plastic gutter spouts like these available that clip on your rain gutter. I’ve found that they don’t always fit and making them less effective. Plus they are designed to fit only on the end of a gutter.

What if you wanted to divert rain from another spot like a low spot on your gutter or from the end of your awning? Here’s the solution.

How To Make Your Own DIY Rain Gutter Extensions

1. Buy a pack of alligator clips

You can find them in your hardware store or home center in the electrical supplies. You can also find packs of these clips on Amazon.

2. Cut a few short sections of wire

Simply cut small sections of wire (about 6-8 inches long). Thicker wire works better. I just removed individual wires inside Romex electrical wire what was left over from home improvement projects.

3. Crimp the wire to the alligator clip

Insert the wire into the end of the alligator clip and compress it using a wire crimper or pliers. It should look like this when you’re done.

Easy Hack To Prevent Black Streaks On Your RV 2

4. Place the new rain diverters on your RV

Find those spots on your RV where rain is running down the side of your RV. Then clip one of the alligator clip gizmos you made above that area to divert the water away from your RV. You may have to bend the wire slightly to create an easy path for the water to flow.

That’s it! Give this a try. You’ll be surprised at how effective it is.


One way to help minimize discoloration from rain is to keep your RV roof clean. Eventually, the dirt, pollen and muck on your RV roof will run down onto the sides of your RV.

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