Floor rot/repair question - Fiberglass RV


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Old 12-08-2018, 01:25 PM   #1
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Name: Kelly
Trailer: Scamp 16
Washington
Posts: 11
Floor rot/repair question

Hi All,

I'm in the middle of multiple projects on a 1990 16' Scamp (layout 4). I found some floor rot under the water heater. The heater sits underneath the kitchen cabinet above the wheel well. Probably only a 10"x10" area that butts up to the outer wall and the wheel well. When inspecting the floor from underneath that area is soft and not very thick and in danger of breaking out completely.

From the inside it looks like Scamp's process was to put the floor in and then 2" strips of fiberglass covered the edges of the wood flooring at the wall, wheel well and side cabinet. The wood under the fiberglass strips has been rotted away enough that the strips have separated.

My thought was to apply a wood rot hardener (Git Rot) and then build up the wood floor with plastiwood. I'd then sand and apply fiberglass resin over the top.

I am totally new to this type of work so any advice would be appreciated. Is this a sufficient way to fix this problem or do I need to consider replacing that section of the floor completely. I have no idea how I'd do that!

Any other alternatives?

Thanks for your help.

Kelly
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Old 12-08-2018, 05:01 PM   #2
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Name: Rob
Trailer: boler & Acorn
British Columbia
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Hmm I'd be inclined to cut out the bad and glass in a new piece . It should just pull out of the glassed in part on the wall. New wood is always better.
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Old 12-08-2018, 09:41 PM   #3
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Name: Kelly
Trailer: Scamp 16
Washington
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Thanks Robeye,

I'll think I"ll do what you suggest. Seems like there isn't much material left there anyway.

I've never done this before, but assume the procedures is to simply use a jigsaw to gut out the square hole, then anchor a new 3/4 plywood board in the hole, apply fiberglass resin to the bottom of the board (under the trailer) and apply a fiberglass cloth over that piece and glass it in. Seems easy enough, am I missing something?

Do I need to worry about glassing it in on the inside or can I just caulk and paint it?

Side note, I'd like to repaint all of the floor under the cabinets ... any suggestion for a good paint that folks use? I was thinking of just getting water based Kills.

Thanks again.
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Old 12-08-2018, 09:46 PM   #4
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Name: Glenn ( second 'n' is silent )
Trailer: 2009 Escape 17B '08 RAV4 SPORT V6
British Columbia
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My new best friend is an oscillating multi tool for cuts like that. I break far fewer blades.

I tried to use Git-Rot on the gunnels of a boat once. The puddles of resin are still evident in my carport.
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Old 12-09-2018, 09:44 AM   #5
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Name: Rob
Trailer: boler & Acorn
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you can use a piece of 1x4 that spans the hole to hold the new wood in place.. and glass both sides. Most outdoor paint will be fine..
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Old 12-09-2018, 12:02 PM   #6
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Name: Kelly
Trailer: Scamp 16
Washington
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Thanks again.

I bought all the fiberglass materials so all there is left to do now is cut the hole!
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