Travel trailers take a beating from the elements, rain included. If you want to avoid rainwater pouring down the side of your trailer from the roof, all you need to do is install gutters. It's important that you use materials for the gutters that won't leak, and that you affix them securely enough so they won't be torn from the trailer at 60 miles per hour. Plan carefully.
Instructions
1. Take the J channel, which is a small groove that's often installed around windows to help protect the seal, and measure a length of it for the left and right side of your trailer's roof. Cut the J channel to fit, and then remove the side of it on which you'll find nail holes. You won't be needing that side, and the holes will weaken the overall gutter.
2. Peel back the trim along the roof of your travel trailer, but be careful not to disturb the roofing aside from the trim. Place the J channel into the revealed section so that it forms a small, grooved gutter at the edge of the trailer's roof. Screw in the channel every 6 inches or so to hold it in place.
3. Block one end of the J channel to direct the flow. For example, if you want the water to flow toward the back of the trailer, then block the sections on the front. The water will flow toward the open side whether you're driving or sitting still, thus allowing you to keep the water from spilling over and down the sides of the trailer where it can leave a patina of streaks.
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