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Old 08-04-2019, 08:00 AM   #1
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1975 31' Sovereign
brewster , New York
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floor damage near door

I should have known I had a problem when I discovered mushrooms growing near threshold of door. Floor near door has water damage(see photos) This is not original floor(had it replaced 8 years ago) Not sure where water is coming in?Door has original gasket,maybe it needs to be replaced?Subflooring is brownish with the word DRY.thought I should use the same materials.Any help would be appreciated.
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Old 08-04-2019, 09:34 AM   #2
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Fleming Island , Florida
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The water could be coming from anywhere nearby in the wall or roof. Roof leaks hit the interior skin and run down to the floor. Check the sealant around the windows, the sealant at the top of the door frame, the sealant around any roof penetrations in the vicinity. Look for telltale signs on the interior walls. Pull an occasional cabinet mounting screw and look for heavy rust. On my 2001 Safari 25 the TV antenna and front vent were both leaking.


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Old 08-05-2019, 07:58 AM   #3
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1975 31' Sovereign
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thank you, will check.
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Old 08-05-2019, 08:19 AM   #4
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1973 21' Globetrotter
Houston , Texas
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You say the door has the original gasket on it?? If it is ~50 years old, I can just about guarantee that it is leaking, and is likely responsible for the wet floor. What about all the windows and hatches? There is a hatch on the backside of the refrigerator, which is also likely right next to the door. A leaking gasket in any of these places will allow lots of water into the trailer.

Is your floor just wet, or is it rotten as well? If just wet, then dry it out, fix your leaks, and you are back in business. If rotten, then you ought to be able to just patch as needed. I'd go back in with plywood--trick is keeping it dry.

good luck!
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Old 08-05-2019, 02:41 PM   #5
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1975 31' Sovereign
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Thank you, I have a feeling it is gasket. Any idea where to find replacement?
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Old 08-05-2019, 02:42 PM   #6
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2013 28' Flying Cloud
Courtenay , British Columbia
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Sounds familiar. When I pulled up the rotted area I found a litany of
manufacturing errors.
- Relectix had cuts through it
- missing rivets in drilled out holes
- no sealant
I'm sure the road water is swirling around in the step well while towing.
The unsealed edges to the belly pan, rivet holes and cut insulation allows
for water penetration.
The picture shows the pan after the relectix was cut away. The bend in the
aluminum is as found.
It's possible water got in from the door seal or an open door but there was
considerable faults pointing elsewhere.
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Old 08-05-2019, 03:02 PM   #7
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1973 21' Globetrotter
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Try outofdoorsmart.com or vintage trailer supply. You can usually get both the older style seal with the "double fin" design, or the nwer version that is just a "D" profile.

good luck!
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Old 08-05-2019, 03:02 PM   #8
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My floor damage in front of the door of my '76 31' was caused by a leaking front vent. As mentioned the water runs down the inside skin and pools in that area.
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Old 08-05-2019, 06:44 PM   #9
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I change my door gasket every 5 years. One episode of water leaking in on a laminate floor convinced me to pay special attention to that area. Also, when it is wet or raining, I keep a big terry cloth towel inside the doorn on the floor to prevent puddding. The other areas to keep a close eye on are the wrap around corner windows. And, of course across the rear floor area. Those are the main spots posters have mentioned in the past.
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Old 08-05-2019, 08:29 PM   #10
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1975 26' Argosy 26
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I finally found my last leek, after weeks of checking after each time it rained, And finding something to caulk, that didn’t stop it, I figured out it was getting in around the hinges—on the inside of the hinge next to the door frame. I had already changed the door gasket, I was ready to just give up, and just plan on replacing the floor every few years.
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Old 08-12-2019, 08:54 AM   #11
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1975 31' Sovereign
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Floor repair

Can a small section of floor be replaced and set back into channel?
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Old 08-12-2019, 09:42 AM   #12
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1975 31' Excella 500
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Quote:
Originally Posted by blumob View Post
Can a small section of floor be replaced and set back into channel?


Yes, but you'll need to install it in three pieces in the rear of the trailer, one on each side, and then a "key" in the middle, use cleats screwed and glued to the end pieces to support the middle key.
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Old 09-09-2019, 08:46 AM   #13
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1999 23' Safari
Prescott Valley , Arizona
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The floor can be repaired without replacement. I repaired mine, which was water damaged at the door threshold and under two windows using epoxy. Check with a boat parts supplier such as Jamestown distributors. They sell epoxy intended to fix rotted wood and make it stronger than new. It works beautifully...no more rotted floor, and water canít penetrate that area. If I was restoring a trailer and replacing the floor Iíd give the entire new floor that treatment. There would never be another rotted floor issue. I donít have pics handy but weíll post if anyone is interested.
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Old 09-09-2019, 09:05 AM   #14
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1981 31' Excella II
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It is not uncommon for the frame around the door to leak. Not around the door gasket but where the frame is attached to the shell. Also it is common for rivets in that area to leak. Use a suction cup over rivets to check for leaks. If the cup won't stick that rivet is leaking. I had a persistent leak around my door frame and I put some Parbond around t and it went away. Check nearby windows, stove vents, furnace vents etc.



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Old 09-09-2019, 09:48 AM   #15
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Plywood: the absolute worst part of AS trailers!

Yes, you can replace sections of floor, see numerous threads here on the forum.

IMHO, you would be nuts to reinstall any flavor of plywood, because Plywood rots.

You can go over every inch of your trailer looking for leaks, seal every seam and caulk every single rivet, reinstall all your window gaskets and weather strip your door and twice a year wax your entire trailer and water will still find it's way to your subfloor whether it be from water spills, plumbing issues, water intrusion around the wheel wells or vents and vent panels, bumpers, etc.

Coosa Board isn't cheap but it is just as strong and easy to work with as plywood but will never rot, is bug and critter proof, mold resistant and 30% lighter than plywood.
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Old 09-09-2019, 10:29 AM   #16
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1981 31' Excella II
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Plywood is fine. Paint or urethane the new floor. Anything you put over the floor that seals in water will speed up the decay process and delay you finding the leak before it is too late.



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Old 09-09-2019, 05:14 PM   #17
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Quote:
Originally Posted by perryg114 View Post
Plywood is fine. Paint or urethane the new floor. Anything you put over the floor that seals in water will speed up the decay process and delay you finding the leak before it is too late.



Perry


Using two part epoxy thatís been thinned with acetone penetrates the plywood so that NO moisture can penetrate...the plywood becomes stronger and completely water proof.
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Old 09-09-2019, 05:16 PM   #18
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1999 23' Safari
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Quote:
Originally Posted by rkgnaz View Post
Using two part epoxy thatís been thinned with acetone penetrates the plywood so that NO moisture can penetrate...the plywood becomes stronger and completely water proof.


One thing to make sure of before applying the thinned epoxy is the wood needs to be very dry
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Old 09-10-2019, 09:28 AM   #19
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1975 31' Sovereign
brewster , New York
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Thank you, I replaced gasket and I am keeping an eye on it for leaks. So far so good.
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