White non rotting boat building board. Upvc, expanded PVC, other....

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Turbonic

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Spurred on by the excellent help and comments I've had on other threads.....

I would like to enclose my wheelhouse with a composite board. Problem is I don't know what it is called.

Description:
White with shiny outer surfaces and a matt lightweight interior. Basically it looks like Upvc and the panels you get in the bottom of pvc doors.

Problem is I can't find any on big sheets.

Anybody know what it is called, and where I may get some? Around 9mm thick?

Thanks again, Nic
 
Something like the stuff they put on Grenfell Tower, try Celotex they might have some going cheap?
Seriously, there are fire resistant versions, trouble is they are normally sold in very large quantities. What about the boards sold for cladding showers, too heavy?
 
Quandary said:
Something like the stuff they put on Grenfell Tower, try Celotex they might have some going cheap?
Seriously, there are fire resistant versions, trouble is they are normally sold in very large quantities. What about the boards sold for cladding showers, too heavy?
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Those are two very very different products.
Celotex or other PIR/PUR insulation boards are not structural and have next to zero impact resistance.
Wetwall shower cladding boards would also be useless because one side is just fibreboard, so unless you put them back to back you'd have one exposed surface that is not moisture resistant. Also, as you say, very heavy, and not much strength or stiffness.

My vote would be something like Foamex or Dibond.
 
The stuff I used to specify for flat cladding panels was rigid aluminium sheet faced available in Ral colours and with long term impact resistance superior to upvc but I can not find it now, it was made in Switzerland,name started with 'Al?????? A current one is Eternit Equitone? it might do but I have never specified it and you are ordering custom panels even if they are just white, so they will not want to supply a couple of sheets, probably too heavy anyway.

BTW Celotex make more than one type of board. Not that I am promoting it>
 
There is an on line retailer'Cladding Warehouse uk' who offers a lot of pvc options in retail quantities. most were only 2-3mm, however the only 10mm. one I could find was only finished one side.
 
This foamex stuff looks like it will suit. I would shy away from the alu-composite just from a corrosion point of view.

Now to get some samples to see what it can do!
 
I think the stuff you mean is a used in plastic Fascia and Bargeboards. It is easy to cut and drill with hand tools, and quite strong. I have used it for the backing board for instruments above the companionway hatch and for a shelf under the sink for the fridge compressor. you will easily find suppliers if you google those words.
 
In the USA there is an excellent but expensive product called 'Starboard' which we used in multiple jobs on board from helm seats to air conditioner unit mounting base boards Not sure if it is exported or similar sold here. It was available in various thickness options, 1 inch being our choice

edited correction 3/4 inch not 1 inch, found an invoice.
 
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Turbonic said:
I would shy away from the alu-composite just from a corrosion point of view.
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Dibond is generally used for signage and seems to be completely unaffected by weather. I've never seen any hint of corrosion on it, but I don't know what saltwater would do to it.
However it is fairly thin and larger panels tend to have stiffening pieces on them. It would quickly become heavy at thicker grades because the core seems to be fairly dense plastic.

If somebody did a board with aluminium faces, for impact resistance, and a foam core, for stiffness, that would be good. I've never found such a thing readily available though.
 
duncan99210 said:
Taking Robin’s hint, this is the link to the UK supplier of Starboard King Starboard Marine Panels | UK . Seems to be the answer for the OPs needs.
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That certainly looks like what we used to have , the thick one we used was probably 3/4 inch not 1 inch as I said before, but it was thick enough to make an otherwise unsupported bench seat across the stern of a Beneteau 36CC cockpit to give a clear view when seated over the raised canvas sprayhood. In the ICW much of the time is motoring and it sure can rain hard.
 
bluerm166 said:
ALCUBOND
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Aaaaah yes, Alucobond was the product I was trying to remember, I had beer mat size samples until quite recently, the colored alloy sheet was abot 1-2 mm. I see they are still in business but the King Starboard might be closer to what the OP wants.
 
Turbonic said:
Spurred on by the excellent help and comments I've had on other threads.....

I would like to enclose my wheelhouse with a composite board. Problem is I don't know what it is called.

Description:
White with shiny outer surfaces and a matt lightweight interior. Basically it looks like Upvc and the panels you get in the bottom of pvc doors.

Problem is I can't find any on big sheets.

Anybody know what it is called, and where I may get some? Around 9mm thick?

Thanks again, Nic
Click to expand...
A
 
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