On Tuesday, May 15, 2018 at 3:44:49 PM UTC+1, David WE Roberts (Google) wrote:
On Tue, 15 May 2018 15:33:19 +0100, Harry Bloomfield wrote:

David presented the following explanation :
I do have a lot of spare bits of wood, just not marine ply. One
alternative would be painted WBP, which seems to last well as outside
fencing on building sites.

By all means make a wooded cover for security, but it would be not that
watertight and in time might rot. As an alternative and maybe as well
as...

If you find one of those companies which repairs and supplies the
curtains for curtain sider lorries and scrounge a bit of surplus
material from them? It is very easy to work with, you just heat weld it
at joints corners. A heat gun, plus a metal roller is all that is needed
to seal joints. Once done, they are extremely robust.

Not sure why it wouldn't be water tight.

Please elucidate. :-)

Cheers



Dave R


--
AMD FX-6300 in GA-990X-Gaming SLI-CF running Windows 7 Pro x64

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The water will gather on top of the marine ply, pool in the centre, and eventually destroy it unless you put a slope on it. Then you'll have to provide a drip edge and find some way to protect it.

Google boat canopies. Chances are you will find one locally and he will be more than happy to make you up a waterproof cover