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Old 11-25-2011, 11:12 PM   #1
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Major leak under two windows~Help!!!

We are now the proud owners of a 1995 Residency Thor Ford 460. We knew it had the leaks under driverside large windows but was suprised to once we removed the wallpaper. The wood is mold black and rotton through. There is no damage above the windows at all.???? The outside looks fine around the windows. What could this be? Anyone else have this problem? Also, have a major leak on roof around the airconditioner unit. We plan to remove all caulking around EVERYTHING on roof and reseal. What is the best caulking to use? We are first time RVers and know we have alot of work ahead of us but would LOVE anyone's response. Things to think about ~ do's and don'ts would be greatly appreciated. Thanks, Rhonda
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Old 11-25-2011, 11:35 PM   #2
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You might find this site helpful....
RV Roof Repair
some where tonight i saw that you can get a roll of tape
that they sell at camping world to seal seams... some
rv factorys use the stuff when they make them..
good luck
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Old 11-26-2011, 07:53 AM   #3
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On the windows, you will need to pull the windows out by removing all of the inside window trim ring screws and pull the windows out. Clean off the putty or foam seal and use butyl tape around the outside flange and re-install the windows after wall repairs have been made. Trim off any excess butyl that oozes out for a couple of days and then seal parameter with a silicone sealant. For the air conditioner, you will need to remove the inside ceiling assembly and lift off the roof assembly and replace the roof gasket. Re-install the roof assembly and evenly tighten the mounting bolt to 65 inch pounds of torque. The most common sealant for roof seams around fixtures is a self leveling lap sealant. A common brand is made by Dicor and can be purchased from RV supply sources. All that is needed is to clean old sealant of dirt and greases and recover with new sealant. Good luck and keep us posted of your progress.
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Old 11-26-2011, 08:01 AM   #4
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At our dealership, we found most times that water damage UNDER the window was caused by drain holes in the window frames being stopped up or not big enough to let all the water out of the tract. We always enlarged the drain holes to cure this problem.
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Old 11-26-2011, 09:50 AM   #5
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Someone else mentioned the drain holes. They are not plugged but we will enlarge once we remove the window. Its raining today. Go figure. I'am just shocked the walls are so bad. Thanks so Much.
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Old 11-26-2011, 11:17 AM   #6
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You can treat the wood below with Timbor or a homemade solution for rot used by wooden boat buildersChemotherapy for Rot
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