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Old 06-03-2022, 10:28 AM   #1
lesmadding
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M.O.C. #30544
Storage Bay Floor replacement

Hello everyone, I am fairly new to this group and being a Montana owner. We purchased a 2011 290RLT in March of this year. IMO its a very nice trailer, one that was well cared for and thus the reason we purchased it. However, I have discovered there is water damage in the crossover storage bay with mold and rotten flooring which I am in the process of removing now. This could be the reason the people sold it. As it had a musty odor. My question is what do I use to replace the old particle board original floor? My first thought is Marine Plywood? If so do I need to further seal it. I only want to make this repair once...It is 3/4 inch thick. I would use a Plastic material if I could find it. Secondly, what and (were do I get) the floor covering material? Vinyl ?? Finding where the water is coming from will be the next challenge but wanted to get the mold out as soon as possible. I am a person that likes to do things right the first time and I believe I can do a better job than hiring it done but I am not above asking ( paying for help ) if its above my capabilities.
Also, I have questions about the roof. I know there are many variables as to how long they last. I don't believe I have any issue with leakage at this time and I have used Dicor's lap sealant where I think problems could occur. I want to be proactive with roof maintenance, as I know how important it is. I am seeing small cracks (hairline ) over the surface. How should this handled ? I am enjoying this group and value the resource. Thanks in advance !
 
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Old 06-03-2022, 11:29 AM   #2
jcurtis934
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Marine ply would be my first choice as well if I was in your shoes. I would seal the edges and the top side with epoxy as a precaution against further issues. As to hunting for leak sources, check any connections in the convenience center to make sure that isn't the source of the water. If your trailer still has the thetford aqua magic 2 toilet, you should think about replacing it with the dometic 310 or 320. The thetford seemed to have had a lot of issues like overflowing the bowl if incoming water pressure sagged below a certain level as well as other problems. This happened to me in Georgia and the water flowed into the passthrough area then out the front leveler area. John
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Old 06-03-2022, 11:45 AM   #3
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Forgot to add....the floor covering in my 2013 is a really thick vinyl over the wood from the factory and I didn't have any issues from my flooding toilet issue. I would source it from any residential flooring store like Lowe's, etc. There is a product called 'Kanberra Gel' which is tea tree oil in gel form that removes odors by attacking and degrading mold, mildew, fungus, and bacteria.(WWW.KANBERRAGEL.COM)

On the roof, as long as the grazing isn't deep and going through the material, you should be safe. I think the warranties were 10 years...but certainly can last longer than that. Others can probably give you more advice on the roof. John
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Old 06-03-2022, 02:28 PM   #4
Mikendebbie
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I looked up your floor plan to see where the possible water sources for a leak are located. You did not say if the floor was rotten on one side or the other, or if it is all the way thru the basement floor. Seems to me that a leak that would rot the basement storage floor would have to be reasonably constant for quite a long time - like a leak in the convenience center would be. A leak behind the white wet bay would NOT be seen and would tend to rot the floor radiating from that corner of the basement. If the leak was from the bathroom sink or the garden tub - you would have rotten floor on the level above the basement also. Try to check out the floor below the bathroom and the garden tub. Those basement bulkhead walls are removable - so take them out and it might make it easier to chase a plumbing leak.
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Old 06-03-2022, 02:30 PM   #5
twindman
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For the roof, there is also some sort of Dicor(?) roof sealer/cleaner. Just paint it on after cleaning the roof. It may seal the hairline cracks.
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Old 06-03-2022, 04:16 PM   #6
Daryles
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Another leak source, the black tank flush system has an anti siphon vacuum breaker valve, normally located under the sink, but some model have them built into the walls. (Do a search on that).
Run your black tank flush and look for leaks. It is normally installed on white PEX pipes. Trace them until you find it.
Another source is rain leaking through the basement door hinge. One of our members drew this diagram from a previous discussion regarding basement leaks. I would add, Caulk around the frame on the outside of the fiber glass door. I believe it wicks through and gets into the inside.
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Old 06-05-2022, 07:04 AM   #7
lesmadding
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Update: Floor removed and everything cleaned and ready to start putting it back together. Took a few pictures to include with this post but havenít figured out how to include them yet. I had a hard time finding marine plywood. But have located a source and weíll go get it on Monday. I have not yet found the leak source but suspect coming around the convenient center, as the wood was completely rotten below it. There was also evidence of water damage on the other side of the bay as that is where I found mold. I do not see any evidence of water leak below the shower or the sink as the flooring above looks good. After I install the new flooring and floor covering I will hook up the water and try to discover the source of the leak. I will keep you all posted. I very much appreciate those of you that took the time to reply to my original post as it is very helpful in helping me determine how to proceed.
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Old 06-05-2022, 02:33 PM   #8
lesmadding
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Pictures

Added pictures ( I think )
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Old 06-06-2022, 08:06 AM   #9
Daryles
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When you put it back together, put some neoprene under the water pump to help quiet it. The thicker the better. I also put foam pipe insulation between every pipe and anything the pipe touched to help stop reverberating pump noise coming up the walls.
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Old 06-06-2022, 08:28 AM   #10
lesmadding
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Good advise. I most certainly will do these things. Thank you. ! Going to get the marine plywood this morning and start reassembly today.
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Old 06-28-2022, 07:28 AM   #11
lesmadding
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Project Complete

I used new insulation from Home Depot it had to be cut to fit.
I used Marine Plywood ( $200 BUCKS !!! OUCH !!! )
Painted Marine Paint on plywood two coats
Used 1/4 inch rubber mat ( Amazon )
I used Dicor self leveling sealant around the entire bay including the convenience center.
Was not a easy project but well worth it as there is no more musty smell and all the mold is GONE!
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Old 06-28-2022, 10:50 AM   #12
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Wow! Looks real nice. You did a really great job!
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Old 07-10-2022, 08:17 PM   #13
dswincher
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Flooring by Les M

Nice work to say the least. I know Les....his work will be about 3X as good as what came from the factory...D.
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