Up on the rooftop June 23, 2015, 10:30:46 am Yahoo Message Number: 153503Yesterday while making ready for a trip, I got up on the roof to look things over. The previous owner of my coach had the seams redone by the mothership three or four years ago. That all looks good to me, but, at that time they did not do anything around the areas where the luggage rack is mounted to the roof. Some of the material there is "up" or separating slightly from the roof. I don't have any reason to think this is serious at the moment (we just had 8" of rain in a week), but it has me wondering a couple of things. First, how is the luggage rack fixed to the roof. Does the tubing penetrate the roof or just long screws or bolts going through a gasketed flange into the roof? Second, I've used silicone for sealing purposes on equipment on rooftops for years with great success. Has anyone used silicone on their roof? If so, was it an acceptable interim solution?If not, can anyone offer better alternatives please?I'd like to do everything at once, maybe in a year or two, and definitely don't want to change my plans right now.Thanks in advance for any and all suggestions!Bill 2003 23'FL
Re: Up on the rooftop Reply #1 – June 23, 2015, 11:59:11 am Yahoo Message Number: 153505Bill,I recently made several repairs to the caulking around the railing posts. Over time they had some cracks. Eventually I'll strip it all off and start fresh, but for now, I cleaned the old self leveling caulking with alcohol and after letting the caulking warm up in the sun, applied it to the cracked areas, pushed into the cracks with my finger. Just inspected it after a cross country trip and looks good and tight. The self leveling caulk will stick to clean older self leveling caulking. Personally, that's what I use, and I don't use silicone on my RV or boat.Don
Re: Up on the rooftop Reply #2 – June 23, 2015, 12:17:17 pm Yahoo Message Number: 153506Don't use silicone - 3M 5200 is what most of us use, or polyurethane caulking. The former is available in fast and slow drying varieties. Even the fast curing may take a few days to lose tackiness, but it will adhere strongly, providing excellent mechanical bonding strength, and last for a decade, at least. Silicone will contaminate the surface and prevent anything else from adhering. It does not hold up well to weathering, either.Steve
Re: Up on the rooftop Reply #3 – June 23, 2015, 12:23:54 pm Yahoo Message Number: 153507Please don't use silicone caulk on your rig. Nothing else will adhere properly to silicone caulk, and it is difficult to completely remove. The factory has used various brands of polyurethane caulk over the years. Even though the factory does not like Eternabond tape, many on this forum have used it to seal roof seams.Art
Re: Up on the rooftop Reply #4 – June 23, 2015, 09:59:57 pm Yahoo Message Number: 153520Oops! Sent my thanks to the wrong topic. Sorry for my goof. Thanks again to all for the advice on my roof.Bill
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Topic: Up on the rooftop (Read 10 times)
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