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01-14-2025, 02:03 PM
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#1
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Junior Member
Join Date: Dec 2024
Posts: 3
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How to fix leak on slide out bottom corner
As the title suggests, I’ve got a leak on the bottom corner of my bedroom slide out. It’s a 2005 Monaco monarch. We had some snow recently and it’s been melting very slowly, I think the constant dripping of water down the slide out is what caused this to pop up. Video is attached of the issue.
How do I go about fixing this? I assume I need to dry it out fully and then glue/epoxy/screw it back in place. I’ve read about the Talin guardian plates as well, seems like that may help prevent the leak from reappearing after it’s been fixed.
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01-14-2025, 02:46 PM
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#2
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Senior Member
Join Date: Aug 2015
Posts: 7,299
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Nikjoelator-
1) Buy the GPs (Guardian Plates).
2) Dry out the areas and repair any rot.
3) Apply the GPs.
Notes:
1) I suggest you buy and apply GPs for all your coach's slides.
2) You should not need to make any repairs other than removing/repairing slide floor rot. The GPs take care of the rest.
3) It'd be better to wait until warmer weather to do this work, if you can't work inside a heated space (most of us don't have that luxury). The adhesive can take some time to cure, even when it's warm. It the meantime, do the best you can to keep more water from getting into the slide floor. I would think a decent tape would be the ticket.
4) Once the plastic under the slide starts to tear it has a tough time stopping. Try not to tear it. Minimize moving the slide in and out, if you can.
I put the GPs on my coach- both slides. Some rot had started in the most-likely location, which is the bottom-outside corner of the driver's-side slide.
__________________
Mark
2008 Holiday Rambler Admiral 30PDD (Ford F-53 chassis)
2009 Honda Fit Sport (automatic)
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01-14-2025, 02:58 PM
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#3
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Senior Member
Join Date: Sep 2021
Location: Pleasant Prairie, Wisconsin
Posts: 1,410
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The bottom sheet on all my slideouts is filon. What is your bottom material?
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01-14-2025, 06:01 PM
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#4
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Junior Member
Join Date: Dec 2024
Posts: 3
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Quote:
Originally Posted by l1v3fr33ord1
Nikjoelator-
1) Buy the GPs (Guardian Plates).
2) Dry out the areas and repair any rot.
3) Apply the GPs.
Notes:
1) I suggest you buy and apply GPs for all your coach's slides.
2) You should not need to make any repairs other than removing/repairing slide floor rot. The GPs take care of the rest.
3) It'd be better to wait until warmer weather to do this work, if you can't work inside a heated space (most of us don't have that luxury). The adhesive can take some time to cure, even when it's warm. It the meantime, do the best you can to keep more water from getting into the slide floor. I would think a decent tape would be the ticket.
4) Once the plastic under the slide starts to tear it has a tough time stopping. Try not to tear it. Minimize moving the slide in and out, if you can.
I put the GPs on my coach- both slides. Some rot had started in the most-likely location, which is the bottom-outside corner of the driver's-side slide.
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Thanks for the reply! From what I can tell there’s little/no rot in the wood that’s peeled away, just delamination. Good point about the weather, I’ll tape it up for the winter as best I can and pick the first warm day of the spring to work on it.
What’s the best way to apply pressure to the bottom of the slide out to make sure the epoxy is squeezed into all the voids and flatten it out?
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01-14-2025, 06:03 PM
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#5
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Junior Member
Join Date: Dec 2024
Posts: 3
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Quote:
Originally Posted by ChrisDParise
The bottom sheet on all my slideouts is filon. What is your bottom material?
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I think it’s a similar material. Luon backer with a fiberglass sheet covering it. It’s actually a much better design than other RV slide out floors I’ve seen. I checked out a couple of grand designs that just had exposed OSB with some kind of waterproof coating as the exposed exterior floor. No wonder RV’s have issues with rotting slide outs.
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01-15-2025, 06:01 AM
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#6
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Senior Member
Holiday Rambler Owners Club
Join Date: Sep 2011
Location: Crawfordville, FL
Posts: 803
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Patching or replacing the exterior floor covering has to be a tough job. Mine tore due to a loose slide bar. I removed the slide bar and installed rollers. I have the material to repair the covering. I haven't decided the best way to do it. At 78 years old, I'm not eager to lie on my back or squat underneath the slide. I would be glad to pay someone to do it, only if they will do it right.
Nikjoelator, It might be a good idea to spray the glue into the void, then, use a flat piece of plywood with props, maybe 2 x 4s supporting it from the ground/slab.
__________________
Simple Life
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01-15-2025, 08:57 AM
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#7
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Senior Member
Join Date: Sep 2021
Location: Pleasant Prairie, Wisconsin
Posts: 1,410
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Quote:
Originally Posted by Nikjoelator
I think it’s a similar material. Luon backer with a fiberglass sheet covering it. It’s actually a much better design than other RV slide out floors I’ve seen. I checked out a couple of grand designs that just had exposed OSB with some kind of waterproof coating as the exposed exterior floor. No wonder RV’s have issues with rotting slide outs.
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Those of us with older mhs can see the difference in old vs new construction. I stopped recently to look at a 2019 Class A for sale. Advertised as in excellent condition. 2 of the 3 slideout exterior flooring surfaces had a couple square feet of osb exposed and the rest covered with a black saran wrap thin covering. I walked away. Probably fixable but made me wonder what else was wrong with this excellent condition mh.
Having successfully repaired sidewall delamination before,
Your situation suggests to me an approach to reattach the filon with a resin/hardener mix and as suggested above, clamp it together with the exterior surface. Kits are sold to do this and include syringes, flexible and straight pipes to inject resin into hard to reach places. Adding the guards suggested above is a good idea.
If water has caused that piece to become detached, find and fix the leak of course.
Once the area is dry, you can reattach the loose filon and then add those guards.
A good resource for resin to rebond filon with wood is a company called composet. If your interested, I can send a link and you can call them and talk through the best fix for your situation.
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01-15-2025, 09:12 AM
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#8
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Senior Member
Join Date: Sep 2021
Location: Pleasant Prairie, Wisconsin
Posts: 1,410
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Quote:
Originally Posted by BoJango
Patching or replacing the exterior floor covering has to be a tough job. Mine tore due to a loose slide bar. I removed the slide bar and installed rollers. I have the material to repair the covering. I haven't decided the best way to do it. At 78 years old, I'm not eager to lie on my back or squat underneath the slide. I would be glad to pay someone to do it, only if they will do it right.
Nikjoelator, It might be a good idea to spray the glue into the void, then, use a flat piece of plywood with props, maybe 2 x 4s supporting it from the ground/slab.
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I think your suggestion to the op is correct. Hope you can get yours fixed too.
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01-19-2025, 08:44 PM
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#9
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,845
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Keep an eye on the sealant on that vertical seem above your wrist.
Factory missed all of those seams on mine  !
__________________
Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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