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Old 06-17-2012, 01:20 AM   #15
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I built up 5/8 inch around AC unit. It tapered out to the roof. A little more security from leaks at AC unit. Also, most later units the rubber extends 2 to 3 inches down the sides. Might consider that also.
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Old 06-20-2012, 03:03 PM   #16
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Well, I went to another supplier and asked about just going over the old thin layer of glue and the guy said no problem. Just rough it up and go right over it.

I tried sanding with sandpaper and it just clogs up. I spent $40 on sandpaper for nothing. I'm going to try mesh that they use on drywall next. This glue is tough. It's only about 1/32 of an inch thick and only in spots. Other areas less than that.
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Old 06-22-2012, 07:50 AM   #17
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After seeing the pics and reading about all of the time and life energy that goes into repairing or replacing a rubber roof... I'm really really glad we got an Excel Limited 5er with a fiberglass roof. Must go give my sweetie a big hug.
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Old 06-22-2012, 11:36 AM   #18
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Quote:
Originally Posted by didymop
After seeing the pics and reading about all of the time and life energy that goes into repairing or replacing a rubber roof... I'm really really glad we got an Excel Limited 5er with a fiberglass roof. Must go give my sweetie a big hug.
LOL......yeah I'm in for a lot of work. Decided to sand all the glue off. I can take my time. Screwing on 1/4 plywood is too iffy for me. I just want to go back over original wood.
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Old 08-26-2012, 04:59 PM   #19
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Well....it's been too hot to do the roof and that let me think. So I decided, with the help of the mule hide rep, to glue screw and staple 1/4 inch OSB on top of the old plywood. That way the glue for the rubber has a clean surface to adhere to. I also removed the aluminum transition that gives the rounded look to the roof edge. I made a new transition and hemmed the edges for extra strength to attach it. All
the wiring is ran behind it...so I was able to really check everything out.

Some reason I can't add pics right now but will figure it out.

Well looks like it was adding attachments.
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Old 08-26-2012, 05:02 PM   #20
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Old 08-27-2012, 09:12 PM   #21
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Rubber roof replacement

I agree with you putting on new underlay. This will give you a new surface to glue the rubber roof material to. Mark Polk from RV Education 101 sanded at nail heads,clean with alcohol and covered wity mesh drywall tape to prevent punctures. Extra insurance. Mark Polk has a video series on restoring a 1966 Yellowstone trailer. I think episode 11 shows his rubber roof install.
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Old 08-28-2012, 07:10 AM   #22
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Drywall mesh tape is a good idea. Under the old rubber the factory had used masking tape and I wasn't excited about doing that.
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Old 09-18-2012, 01:49 PM   #23
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Well.....it's done. Sad to say the supplier gave me the wrong material. I ordered EPDM and they were sent TPO. They're checking with Mule-Hide to see if EPDM glue is compatible with TPO. If not, then I will have to "mechanically " secure the roofing material.

I will not remove this and start all over.

BTW.....TPO is quite a bit thicker than EPDM and gave me a lot more trouble installing which is how I discovered I was given the wrong roofing.
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Old 09-18-2012, 10:00 PM   #24
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Rubber roof replacement

We have to do this to our 1995 Nomad 5th wheel. Looks like you have a great place to work on it. We will have to do this out in the weather and as weather permits next spring. Yours looks really good. Nice Job!
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Old 09-18-2012, 10:17 PM   #25
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I can't view the picture so hopefully this works.
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Old 09-19-2012, 05:29 AM   #26
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Quote:
Originally Posted by dmaxgus
We have to do this to our 1995 Nomad 5th wheel. Looks like you have a great place to work on it. We will have to do this out in the weather and as weather permits next spring. Yours looks really good. Nice Job!
Fortunately for me, my grandpa built a 40 X 70 machine shed in the early'70s. I never thought I would live on their farm and get the use of it.

The doors are 14 feet high but I poured a concrete floor in the front third. The front a/c unit clears by 3 inches.

One negative is that the heat is unbearable during summer. Even with the cooler weather now I still sweat like a pig up by the roof.

I thought what would have done if I had had to do the roof outside. I guess a huge tarp and blocks on top. Actually I may have been able to do it more quickly outside due to the oven-like temperatures in the shed.

Now though, the shed will keep the new roof new longer by many years.
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Old 09-19-2012, 07:18 AM   #27
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Just make sure you check it every year and clean it with the rubber roof cleaner. That was our mistake. When we bought it we were told don't do anything to it it will be fine, it has a 15yr warranty. I should of known better! We plan on building or borrowing some scaffolding and using that to get to the roof. We have to replace some decking and I am sure we may even have to get into some structural repair as well. I have access to rough sawn oak to use in the future. I can plane it down and replace rotted wood with it. Being retired this will most likely be the last one we will own so we are going to have to repair it to save it. We built a 30' X 40' X 10'6" garage a few years ago but it is not near tall enough to get the 5er in. Yours really looks good. Should last you a long time.
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Old 09-20-2012, 05:21 AM   #28
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Well.....looks like I might become a rubber roof expert.

The supplier sent TPO instead of EPDM. I didn't realize it. I just thought "Wow this new stuff is lots thicker than what they had back in 1994."

So when I was picking up siding and windows for a job at another supplier i mentioned how heavy this stuff was. They said it sounded like TPO not EPDM. So I went back to the supplier I got the roofing from and sure enough.....wrong material.

So after sending pictures and info to the manufacturer I have to remove the whole roof and start all over. The glue will not hold in the winds that will be subjected to the roof while towing. TPO glue is completely different than that for EPDM.

The supplier said it was their mistake and that they will make it right. I'm going to try to get them to pay to have a local RV dealer do it.

What an adventure.
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