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Old 10-30-2012, 12:42 PM   #1
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Rubber Roof Condition

I have a 94 Bounder with a roof that is showing use (black color showing thru the white in spots). I would like to know if anyone has reconditioned thier roofs and what type of reconditioner was used?

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Old 10-30-2012, 01:05 PM   #2
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You can use a rubber roof cleaner backed up with a conditioner. Dicor puts out great products for caring for and helping rubber roofs last longer. HOWEVER. there is no help for a worn out rubber roof.. If yours is original to the coach I would get ready to replace.
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Old 10-30-2012, 01:29 PM   #3
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If your roof is orig it is not almost 20 years old. Most likely time to replace.
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Old 10-30-2012, 10:14 PM   #4
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I have a 94 Bounder painted mind after roof was showing black rubber showing .Used product from rubber roof company that made it.First painted on their primer than two top coats. Came out great was very pleased ,much cooler from hot sun here in Florida after doing this.
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Old 10-31-2012, 06:21 AM   #5
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Look at LiquidRubber or LiquidRoof or something similar. When you are seeing black marks, it means that part of the roof material is worn off.

I did it last summer. It's a big job but it's not terrible. Make sure you have a very solid and sturdy roller. Also might be worth having some sort of scaffolding set up. I just went on the roof starting painting from the front to back but I did have some areas which were thinner and had no way to get to them to patch them up. Might be worth trying to save a little bit of the 'paint' so that the next day you can have a look to see if you missed some spots and go over it again (I think after a day, adding a 2nd coat on some spots will blend very easily).
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Old 10-31-2012, 01:57 PM   #6
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Your EPDM rubber roof needs to be recoated. The process is very similar to painting with a roller, but the EPDM coating is thicker than paint.
You need to order the coating: http://epdmcoatings.com/

Make sure you clean the roof well and let dry overnight.

I purchased a good quality paint roller with a 6' handle and a mixer attachment for my drill (the EPDM coating is in two parts and must be thoroughly mixed). Wear rubber gloves and cover your shoes if you value them.

I did not use a scaffold. I just climbed up the ladder and started at the front and worked my way back leaving a narrow walking path down the center. I did the front half one afternoon, and the rear half the second afternoon. I used the narrow walkway down the center for any touch ups and then painted the walkway last.

Some other thoughts:
They sell a specific EPDM coating for RV's, but I read an article that said the commercial roof EPDM coating works just as well and is less expensive. The author claims his commercial coating has lasted 10 years.
You need to use the EPDM within a few hours as the epoxy in it hardens. You can freeze it, but I just mixed it a gallon at a time.
My roof took a LOT less than the online web site recommended. I think I used 3-4 gallons on a 36' RV.
Apply it a lot thicker than you would normal paint. It helps to have a 2-3" paint brush for applying around skylights and vents.
You need to find a window in the weather where it will not rain for at least 24 hours after applying the coating.
When you are done, it looks better than new.
Best of luck!
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Old 10-31-2012, 02:32 PM   #7
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A walkway !!! Why didn't I think of that! That would have made my life a lot easier!

The other issue I had was that I didn't want to bring the bucket onto the roof so I left the bucket on the ground and would fill my roller tray with it and then bring it up the ladder but I seems like I spent most of the day going up / down the ladder. Some else must have had a better technique. Simply being 2 might solve that issue.

I also had quite a bit left over so could have put it in thicker. That's a great advantage of the walkway idea is that you can go add more later if you find you have too much left at the end.

I mixed the whole 5 gallons at once since I was planning on doing it all in one day but it wasn't that warm when I did it and I was actually able to reuse it the next day to do a few touch ups (I think I just put the lid back on the bucket and left it in my garage which is cooler and it was fine the next morning).

Doing 1/2 the roof one day and 1/2 the next is probably a much better way to do it.
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Old 11-20-2012, 07:53 PM   #8
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If it is completed by a dealer, what should we expect for a price to do a yearly coating?
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Old 11-20-2012, 09:02 PM   #9
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If applied right, you will NOT have to re-do if for many years. The commercial roof coating in use is rated for 10 years. The Hospital where I work the original rubber roofs carry a 15 year warranty and are going on 20 years old now with only the occasional leak due to puncture damage from someone being careless while working on the roof. Remember a commercial building owner wants to forget about the building for many years and demands performance. I would expect at least 10 plus years from the liquid rubber coating if applied correctly.
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