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Stopping roof leaks?


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We have a 1990 Gulfstream Sunclipper that we just got and we can see where there used to be a leak or leaks (lots of silicone on the seams and water stains inside) but they seem to have gotten them to seal now. We are here in the NW and even with our abundance of rain lately we can't find any new leaks so that's good. My question is this, is there a different type of roof material that we can put on to avoid future leaks other than the unsightly silicone type seals? No matter what we do it just looks bad! Plus, you have to keep sealing it time and time again. Any thoughts or experience? Thanks in advance!

Jim & Alona traveling with River, Rocky & Indy.

Our home, a 33' 1988 Southwind which we love!




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If I am correct, your Gulfstream has an EDPM roof? If it does you need to remove and replace all silicone based caulking materials as soon as possible. Silicone caulking does not adhere well to EDPM and it will also damage the membrane. I recommend use of Dicor, self leveling caulking on any roof and if EDPM you need one that is approved for use on that material. If the membrane is in good condition, that should take care of the problems but check all seams and edges while you are about it and replace any silicone or other caulking material that is loose or cracked. If the membrane is showing signs of degradation, then you may want to consider applying one of the coating products for use on such roofs.

Good travelin !...............Kirk

Full-time 11+ years...... Now seasonal travelers.
Kirk & Pam's Great RV Adventure



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If you are willing to spend money for a long term fix you can consider RV Roof Armor. Greg



Greg & Judy Bahnmiller
Class of 2007
2014 F350
2007 HitchHiker Champagne

Both sold 2/19, settled in Foley, AL after 12 years on the road


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  • 3 weeks later...

We've been chasing leaks since or big adventure started in November. Rained so hard pulling into Myrtle Beach that we actually needed to put buckets under the drips. The first job was removing all the putty-based material sealing the front seam and re-do that with Eternabond tape and Dicor. Did the same for the antennas. Just last week I fixed what (for now) is the last leak - an old solar panel inboard of the fridge vent.


Most roof leaks are not a result of the roofing material but are usually are leaks where appliances etc penetrate the membrane.

Jeanne & Jerry

1996 Safari Sahara 35' CAT 3126

Home Port - Cape Cod

Currently on A Big Adventure

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