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 Topic: underneath the caravan
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16/6/2014 at 9:14pm
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Its actually counter productive to paint the underside of a caravan floor. If you seal up underside it will hold any water that comes from above & cause floor to rot even more. Rot is caused by damp from above, not water splashed from below.
Plywood that old will tend to delaminate as the glue degrades. Assuming caravan is not leaking through body then easiest quick repair of crumbled floor is with IsoponP40 which is glass reinforced car body filler. This has worked well on mine where floor corner has crumbled away.
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16/6/2014 at 10:23pm
Location: Southport
Outfit: Adria Adora Premium Yeti 4x4 run about
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I thought Isopan P40 was water proof when hard. some caravans have a black plastic sheeting on the underside. treat with a sealent that will make water tight but still let wood breathe if not to bad IE Cuprinol. If the rot is exstensive you will have to cut out and replace with marine ply. If only started to delaminate from under side you can drill holes in lowest part of sheet and pump in an adhesive push together using a piece of board and couple of bottle jacks until adhesive is set. Dont lift van with jacks
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16/6/2014 at 10:26pm
Location: Southport
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17/6/2014 at 12:23am
Location: Midlands
Outfit: Mondeo Avondale Gram
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If the wood is rotten painting it will as already mentioned trap the moisture in it.
Rotten wood needs to be replaced.
Hammerite is for metal.
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17/6/2014 at 6:48am
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Timber needs to breathe, sealing moisture in will only rot it faster.
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17/6/2014 at 7:16am
Location: west country
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I assume you do actually mean rot and not riot as you have written William. Painting it will not stop it rotting. The only way really is to cut out the offending area and replace it is this is practical.
If it is actually rioting I suggest you call the police.
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17/6/2014 at 9:23am
Location: Shropshire
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Cuprinol used to do a paint that could be put on soft timber and hardens it, it may still be available.
If its really bad then cut and replace is the solution. You can get treated timber which lasts longer.Alternatively there are plenty of timber treatments in DIY shops.
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DS-There's more to life than football!!!
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17/6/2014 at 10:40am
Location: south cheshire
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There's a delamination kit you can buy to fix this problem, see this thread.
You will also need to find out where the water has come from and fix that as well. It's unlikely it's come from underneath the caravan, it's more likely to be a leak from the sink, taps, through the door, or something like that.
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