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04-27-2019, 08:15 AM
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#1
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Junior Member
Join Date: Jan 2019
Location: Mineral
Posts: 3
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Cougar lite floor construction
the floor on our 2016 28sgs cougar lite feels soft and will sag when stepped on. I suspect this is from water intrusion and I will jprobalby need to replace the floor. can anyone tell me what the construction of this floor is before I bite into it? I have read of various sandwich panel designs and would like to be prepared..
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04-27-2019, 11:35 AM
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#2
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Senior Member
Join Date: May 2016
Location: South Jordan, Utah
Posts: 2,228
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Most heat vents are in the floor. You could pull one of these and see what the floor material is. Probably chip board or plywood.
__________________
2017 Cougar 279RKSWE
2007.5 Dodge Ram 2500 6.7 Cummins
Retirement Training Completed
I think the little voices in my head have started a chat group.
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04-27-2019, 12:14 PM
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#3
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Junior Member
Join Date: Jan 2019
Location: Mineral
Posts: 3
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I looked at that and the vent has full tabs on top. I may need to be more aggressive with it
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04-27-2019, 05:25 PM
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#4
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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Look under the sink and you'll see where the drain penetrates the floor. There is a plastic "shield" stapled to the floor. Typically the hole is cut about 3" in diameter, so there's plenty of space to pull that plastic shield and look at how the floor is constructed. On my 2014, there is a 3/8" OSB sheet under the vinyl, 2" of Styrofoam insulation and a 1/8" luan sheet on the bottom. As stated previously, the heat ducting runs through parts of that "sandwich structure" so there is some flexing along the heat duct.
You should be able to get a pretty good idea on how your floor is constructed by looking under the sink.
REMEMBER: the upper deck floor is not sandwich construction. On mine, it's a 5/8" plywood sheet with no insulation under the bathroom and most of the bedroom since the front storage compartment is under that area.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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04-28-2019, 12:34 AM
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#5
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Gone Traveling
Join Date: Mar 2018
Location: Ajax
Posts: 431
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I hope I never have a damaged floor situation. It' virtually impossible to change or repair the floor properly. Everything is on top of the floor including the exterior walls so where do you start/cut? You'll need good support for your patch by cutting on floor joists or somehow adding support, then a new floor covering. The original floor was put down first and everything on top. Imagine the cutting/fitting and the end result. It will never be the same! Very expensive to have it done properly.
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10-05-2020, 07:00 AM
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#6
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Member
Join Date: Aug 2015
Location: Sacramento, CA
Posts: 32
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Quote:
Originally Posted by kirby bonds
the floor on our 2016 28sgs cougar lite feels soft and will sag when stepped on. I suspect this is from water intrusion and I will jprobalby need to replace the floor. can anyone tell me what the construction of this floor is before I bite into it? I have read of various sandwich panel designs and would like to be prepared..
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Did you ever dig into this? We bought our 2012 in 2015 and the floor around the heat vent by the kitchen counter has always been a little soft. It seems to be only around that vent and not soft enough that we would fall through the floor. I have thought about going under the trailer to see if supports could be added that way instead of tearing up the floor.
__________________
Bruce & Tami
Carmichael, CA
'12 Cougar 28SGS, '18 Ford F250 CCSB, 6.7
3 kids, 6 G-kids, 3.1 dogs, 2 cats
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10-05-2020, 07:41 AM
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#7
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Senior Member
Join Date: Apr 2020
Location: Canton
Posts: 289
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I'd expect the 2016 to be same as John's. Not sure when they went to the "light weight" floor construction. The 2012 might be old-school 1/2-3/4 plywood.
Our 2020 is same as John's, except no wood - the Styrofoam is sandwiched with a black plastic material.
__________________
Eddy
2019 GMC Sierra 2500HD 6.0L
2020 Cougar 32BHS
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10-06-2020, 07:30 AM
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#8
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Junior Member
Join Date: Jan 2019
Location: Mineral
Posts: 3
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I did not cut the floor out but went underneath and removed the heavy plastic sheet that sealed the area. Our floor construct appears to be 1/2 plywood top then 1 1/2 foam and finally a bottom sheet of 1/8 Liam plywood (door skin thick).
A caution when cutting into plastic sheet be sure to save as you will need to put it back with tape seam.
I was able to push up on the flooring to slide a 1/2 plywood on top of the joists and under the floor assembly. This helped stiffness of the floor. N
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