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Our Motor Home Roof Rehab

GrampaDennis

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Our 1998 Southwind was overdue for a roof rehab - see photos 1 and 2. The original top layer was almost gone in places and we were having a lot of trouble with chalking and grey streaks forming on our windshield, windows and side panels.

I researched various treatments in forums, ads and websites. I wanted something long-lasting and relatively easy to apply, since this would be a do-it-yourself venture. I was tempted by an expensive two-part liquid roof system, but the cost would have been over $1,000. Following up on an ad in one of the magazines, I found Ultimate Roof, from RV & Marine Technologies. Theirs is a one-part acrylic laytex rubber that is applied with brushes and rollers. They use a fabric reinforcing strip over joints and seams. You apply two heavy coats of this material. It is supposed to last 10 years or more. Because you put it over all your existing caulking, they say you don't have to caulk again. Their website is www.rvroofing.com. They sell the materials and application kits, or you can hire them to do the job for you. The materials and application kit for my 33 ft coach cost approximately $650.

I got started late last fall on this project, which turned out to be a problem. I was trying to do this in early October in Maine. I didn't get enough warm weather and sunshine to cure the material before the dew started. We also got frost, then a heavy rain that washed off much of the uncured rubber from my edging job. I cleaned up and recoated the damaged areas, but I could tell that I was fighting a losing battle. We called our warehouse and made arrangements to get the MH inside immediately for winter storage.

This spring, I was doing another project at home in my "spare" time, so I was a bit late getting back to the MH roof rehab. Today, we finally finished it. Yea! I think it came out well. Check out the photos.

Now, I can give the coach a good thorough outside cleaning and it should stay much cleaner than it used to. Our coach has never had water damage on the inside. I think we can keep it that way for a good while yet!




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Dennis, looks great! Was the coach equipped with a rubber roof, I couldn't tell from the photos?

Yes. The dark grey in the photos is the original rubber membrane. The acrylic paint coating over that was where most, if not all of the chaulking was coming from.

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