Pressure washer on rv
I have used the electric pressure washer
(1800 psi) on my rubber roof many times, just don't get too close to the caulked areas and have never had a problem. Also use it on the sides of our trailers. First I spray off the sides top to bottom with a 6' extension on the pressure washer and a angled head so I'm spraying down instead of up, to get the majority of dirt off then use a foam Cannon and McKees RV wash n wax cleaner and put it on pretty thick and while it's running down the sides a quick soft bristle brush on an extendable handle and then rinse off the sides using the 6' extension again. No ladder involved, all done from ground level. Then put McKees RV wax in the foam gun and give it a thick coating of wax and a final rinse with the extension wand. Looks like a new trailer when I'm done.
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