What is best for waterproofing underside wooden floor of motorhome?

[Calypso a go go]

Hi,
Have made and fitted new splash guards to stop the floor getting soaked by roads pray. Everything is drying out nicely, what is the best solution,product,method etc for sealing the exposed underfloor wooden surface.

Its going to coincide with tank removal for cleaning and inspection, so may as well do best for it.

Thanks

 

[pappajohn]

I would use Waxoyl with a spray gun/lance but make sure the floor is COMPLETELY dry or you'll just seal in any moisture.
Do the whole of the underfloor including chassis and inside any box section steel.
Messy job but worth it in the long run.

 

[TheBig1]

hard to beat waxoyl and its available in clear or black. I prefer to do floors in black but chassis in clear. just keep it away from the exhaust

 

[scotjimland]

My Hymer was Waxoyled from new .. I have a receipt from the previous owner.. but it still suffered wood rot on the floor behind one of the rear wheels ..

I have since repaired, and treated the repair with Hammerite Underseal.. http://www.halfords.com/motoring/pa...oval-treatment/hammerite-underbody-seal-500ml
it also contains Waxoyl..

not saying it's better than Waxoyl, only time will tell.. but it is recommended by Link Removed

thread here http://www.motorhomefun.co.uk/forum...der-garage-floor-at-rear-corner.130639/page-2

 

[BazM]

Dekalin Dekaphon 9735 not tried it yet, looks a bit expensive but apparently it's the dogs biscuits

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[kevenh]

Hi,
Have made and fitted new splash guards to stop the floor getting soaked by roads pray. Everything is drying out nicely, what is the best solution,product,method etc for sealing the exposed underfloor wooden surface.

Its going to coincide with tank removal for cleaning and inspection, so may as well do best for it.

Thanks

Oh! Has your Compass got a wooden floor visible from underneath the van?
I must spend more time underneath our MH!!
I already have a buzzer fitted under one of the rear seats that needs it's wire(s) following to determine purpose.

Now I've an underneath sealant task & a floor type identity task.

 

[chapmanjames]

Hi,
Have made and fitted new splash guards to stop the floor getting soaked by roads pray. Everything is drying out nicely, what is the best solution,product,method etc for sealing the exposed underfloor wooden surface.

Its going to coincide with tank removal for cleaning and inspection, so may as well do best for it.

Thanks

Hi,
I have read your issue with the road spray and that I have the same issue with my autotrail Mohawk,would it be ok to ask for some advice from you on how you made your splash guards please mate.my email chapmanjames83@yahoo.com thank you

 

[CazPaul]

I would use a breathable paint like pure linseed oil paint, which allows the surface to breathe, it soaks into the timber and doesn’t sit on the surface like other paints.
Problem is you should use it on new bare timber

 

[Flairy]

Wurf Under body protection ,had mine done 2003 still looking like new.

 

[The Wino]

I also think a breathable timber preservative would be better than something that is waterproof. If you ever had a water leak in the van you would otherwise get rot above the waterproof layer

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