04superduty
Michigan
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Joined: 08/22/2004
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has anyone replaced the black corugated plastic under the trailer? someone mentioned FRP but it seems alittle to thin. around .090 thick. any other ideas on how to replace the existing sagging underbelly.
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tjar66
Portland OR
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Joined: 03/09/2004
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Check around with a local screen printer and ask them where they get coroplast or corex. It is the same stuff you should be able to pick it up in 4x8 sheets for aroung 10.00 a sheet
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2008Wildcat
PA
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Use some metal crossbraces under the plastic sheeting to hold it up.
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BruceStarkey
Ontario, Canada
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Joined: 05/02/2004
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Firstly, make sure you haven't got a leaking black tank. Somethings causing that stuff to sag. That would be one nasty surprise in your driveway!
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THE BIGPUNN
west michigan
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whats FRP? i was looking into replacing mine as well.
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John H
Kansas City Mo.
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Fiberglass Reinforced Panel
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Charlie D.
Gonzales, La.
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I don't think I would use FRP. It is usually in thin sheets as OP stated. Bolted under a rig and subject to wind and a lot of flex, IMO, would cause it to crack.
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Ottawa Campers
Ottawa, Ontario, Canada
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I took an idea from someone on this forum and reinforced the sagging corrugated plastic panels with 5/8" steel electrical conduit (round pipe),flattened out at each end and bolted to the main frame, placed across the width of the trailer every 2 or 3 feet.
It took almost all of the sag out, and I no longer worry about those panels coming loose and getting caught by the wind.
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04superduty
Michigan
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Joined: 08/22/2004
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BruceStarkey wrote:Firstly, make sure you haven't got a leaking black tank. Somethings causing that stuff to sag. That would be one nasty surprise in your driveway!
i caused the sagging,i removed the underbelly and for some reason i cant remember why. i did spend around 2 hours ziptying up all the wires and moving the water lines around, its amazing how much waste their is in extra wiring and water pipe under our trailers.
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Teacher's Pet
SD.. Fulltimers. Goshen IN summers
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Pull-Tab bought the material from RV Surplus & Salvage in Elkhart IN when he re-did his belly liner, I believe.
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