Community Forums

carlspeed · 07-26-2018, 11:21 PM

I think I'm getting a tiny bit of water coming in through the roof of the RV I just purchased. I'd like to take care of this well before any issues come up. The stuff I've read the most about is Heng's. I can't figure out of it is a rubber coating itself, or it's only for rubber roofs. Hopefully someone can shed some light on it for me. Also, the motorhome is 36.6', how many coats should I do and how much will I need? Thanks in advance!

sgtjoe · 07-28-2018, 10:25 AM

Is your roof a rubber type or is it fiberglass?

carlspeed · 07-28-2018, 12:29 PM

Thank you for replying! I have no idea. How do I find that out?

sgtjoe · 07-28-2018, 12:40 PM

If it's a rubber roof it will look like a rubberized fabric, but if it's a fiberglass type it will be white and look like your motorhome sides and ends. Question, did you have your air conditioners on and if so where was the leak coming in at?

If you have a fiberglass type roof you can use a product called eternabond tape which a lot of us have used. I used the 2" wide tape on my Tradewinds.

carlspeed · 07-28-2018, 08:15 PM

I think it's coming in from the front top seam. I'd venture it's fiberglass, I'll know when I go look at it again Monday. The AC wasn't on method I noticed the leak, but it was on after.

sgtjoe · 07-28-2018, 10:04 PM

If it's fiberglass I would use eternabond tape for RV's. On the front and back seams I would use 3 or 4 inch wide tape. I used alcohol to clean the seam areas before applying the tape. I had a guy do all the roof seams and all the seams around all the things on top. If you do a search on this forum for eternabond you will find a lot of folks use it.

If you do use it be very careful in applying it, as once it sticks it is not easy to remove.

carlspeed · 07-29-2018, 01:48 AM

So I guess I take off the tape that's there, and then re seal it?

sgtjoe · 07-29-2018, 12:26 PM

Are the whole roof seams sealed with tape? Can you post a picture of the roof where it's sealed with tape?

carlspeed · 07-30-2018, 08:47 AM

Yeah! I'm going to go up on the roof of it tomorrow, I just brought it back from the campsite yesterday to do some maintenance. I'll take some photos while I'm up there and post it up. Thanks!

carlspeed · 08-01-2018, 08:36 AM

Well, I forgot to take photos, but it's definitely fiberglass. There is a seam that seals the front cap. It's got mold everywhere, so I'm going to remove it, clean the roof, put a new piece of tape, then a light coat of wax on roof. I think that will do everything nicely. I'm probably going to do an oil change on the motor and the generator also. My hitch on this is rated at 5k, which seems REALLY low. Is that due to the way it's mounted? No way is this thing pulling less than a gasser. I gotta install a brake controller also for my enclosed car hauler.