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Old 05-14-2014, 03:52 PM   #1
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Reroofing my RV

Started tearing the old EPDM roof off my 99 Coachmen Mirada to get it ready for the new TPO roofing. WOW! was I shocked to see so much wood rot there was up there! Roof was only leaking in the front around the TV antenna, but there is rot on every panel of the roofing!

Old roof is 1/4" luan, but I'm replacing it all with 3/8" Plywood.

Removed all the 14" x 14" vents, removed and moved the rear A/C up to the front area of the roof so I could start on the rear (don't want to have to take the a/c units off the roof because there very hard to handle). Striped all the Luan off the rear half of my RV. Replaced the Luan with 3/8 plywood using liquid nails and dry wall screws. Hardest place so fare is prying up all the staples that hold the strips of aluminum that make the curve that goes from the roof to the side walls of the RV.

Once I got the plywood screwed down in place on the rear section of the RV, I re-stapled the aluminum back on with an air powered horseshoe gun and moved the rear A/C back in place just to get it off of the way.

To be continued ....
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Old 05-15-2014, 12:09 PM   #2
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I liked reading this. Thanks for posting it. It's always nice to see someone doing maintenance on their trailer and showing how it's done. Most work though seems hard really is not once you have done it once or seen it done. I hope I'm far from doing this but great to see it done.
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Old 05-15-2014, 02:13 PM   #3
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Same as Muddauber!!
Looking good!

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Old 05-17-2014, 04:13 PM   #4
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Got the new TPO glued down on all the flat parts of my roof. Corners have a 4" radius on them so I have to go back and glue them down later. Just rain so I haven't been able to get up there and clean all the glue I tracked all of the place off yet. but I will soon. I only used Eternabond tape on the Skylight. Used Butyl tape, screws, and Dicor lap Sealant on the 14" x 14" Vents, then put MaxxAir covers over them. Here's some pictures.
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Old 05-17-2014, 04:16 PM   #5
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Decided to use a newer style aluminum molding for the side trim. The newer molding has a drip rail built into it. Here's a picture of the old molding (silver) and the new molding (white)
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Old 05-17-2014, 04:19 PM   #6
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Few questions
1. What is the black tape I see between plywood?
2. How much was the roll of TPO for your rig and how hard was it to find?
3. What type of glue did you use? Contact spray glue?
4. Did you have to roll it as you went along?

Thanks and great job!
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Old 05-17-2014, 06:57 PM   #7
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Quote:
Originally Posted by Iggy View Post
Few questions
1. What is the black tape I see between plywood?
2. How much was the roll of TPO for your rig and how hard was it to find?
3. What type of glue did you use? Contact spray glue?
4. Did you have to roll it as you went along?

Thanks and great job!



1. What is the black tape I see between plywood?

I used black duck tape over all the plywood seams just to cover the screw heads

2. How much was the roll of TPO for your rig and how hard was it to find?

Found a commercial roofing company here in Atlanta that sells TPO and EPDM. Only problem was they only sell it in 10' x 100' rolls. So I bought the 100' roll for $600, cut off 40' to use, and sold the remanding 60' on Craigslist for $400

3. What type of glue did you use? Contact spray glue?

Roofing company recommended using contact cement. You roll it on both surfaces with a paint roller. I bought cement from them, $100 for 5 gals. But only used 4

4. Did you have to roll it as you went along?

Yes, started at the rear of the RV and worked my way forward. Took me two days, but I did it by myself. I recommend getting a helper for this part.
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Old 05-17-2014, 07:40 PM   #8
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good looking job
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Old 05-26-2014, 08:50 PM   #9
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Update:

Wasn't real happy with the old, yellowed, and cracked rear corner molding on my RV. After putting the new white TPO on the roof, and then installing 100' of new plastic screw cover molding, my side caps looked terrible. I searched everywhere for new ones, But didn't have any luck.

Here's my solution. I went to Lowes and bought a 50' roll of white PVC flashing and put it right over the old stuff. Used duck tape to hold it in place, reinstalled the medal trim and white plastic screw moldings, then trimmed off the extra with a razor knife.

Came out great! Here's some before and after pictures:
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Old 05-27-2014, 11:58 AM   #10
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Looks nice!
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