Of course. Damp proof membrane is tough thick black and very flexible.
Otter plastics in other thicknesses are available for e.g. glazing, but
you don't really give much clue as to the use.
you can get an 8x4 sheet of 1.6mm white UPVC for a tad over £80.
similar prices for
3mm black polypropylene
A lie can travel halfway around the world while the truth is putting on
There is some blue coloured stuff like this I'm told on a nearby building
where they are fitting an interior lift and its being used to guide rubble
from various floors into a skip below and is thick and bendy.
The only reason I know about it was that the folk living nearby complain at
thee noise of the rubble and the deep crunching of the bendy plastic sheet.
It is obviously out there if builders have it in very big sheets indeed.
This newsgroup posting comes to you directly from...
On 19/02/2017 10:15, The Natural Philosopher wrote:
Thanks for all the replies. I should have explained the use.
I want to put it under a dinghy boat cover.
The idea is that it should be stiff enough so that when it rains water
runs off instead of forming a large puddle as usually happens at the
The alternative would be some sort of wooden frame to better support a
Is it a sailing dinghy or a tender to a motor boat? If the former you
tend to use them when it is a bit breezy and ssheet of plastic may not
be the easiest thing to handle or leave lying about.
I'd go with the frame. needn't be too complicated . Think of some bits
of wood shaped like large coat hangers but in two sections that
slightly overlap. Where they overlap drill holes through and pass a
bit of line through them , something like plastic coated washing line
but if you are into sailing you will have something lying about.
The other ends the wooden parts where they rest on the gunnels you
will have to work out depending on its shape , a couple of notches may
do. use the line under tension tied to the ends of the dinghy to hold
the wood pieces up and support your existing cover in a tent shape.
On 2/19/2017 4:20 PM, firstname.lastname@example.org wrote:
Another thing you might consider are the fibreglass poles which are used
in domed or cylindrical tents. Braced between two suitable points to
make an arch, perhaps fitted to a wooden frame which sits inside the
boat. Not sure if you can buy them "loose", I have a few salvaged from
If the boat can't be stored upside down, another typical solution to
the cover-pond is to put the bow up on something with the stern just
touching the ground. That was all we had on the 14' Leader sailing
dinghy and as long as you kept the stern drain plugs out, any slight
cover leakage didn't become an issue.
On a small goods trailer I had similar problems with I 3d printed some
angle sections ends that would take the green plastic covered steel
'mock bamboo' poles, acting as longitudinal supports so with a slight
tilt on the trailer, little pudding would occur.
What material is the existing cover made of as some don't like having
something rubbing on the inside of them?
Cheers, T i m
Wooden or plastic boat? Does it have a mast?
I have no real trouble with puddles in my cover. Water gets into the
boat around the mast, so I leave the bailers open (it's ashore). No
puddles because the boom acts as a ridge pole holding the cover up in
You could perhaps use an oar and some gallows to hold a tender's cover
up. You want something that looks like a tent.
A wooden boat will HATE an impermeable undercover - it will 'sweat' with
condensation which is bad for the paint & varnish.
How flexible is flexible, and how transparent do you want it? Plastics
by Post do rolls of thin melinex as part of a secondary double glazing
kit; they may supply the rolls separately without the tape if you ask
These people do quite large sheets of acrylic, scroll down to see
different sizes or thicknesses, but not cheap for the larger sizes
Are you looking for coloured, or clear? I bought a sheet of 8 by 4
clear, about the thickness of hardboard, and about as flexible. I
needed four lengths each 8 x 1, so the supplier cut it, and I received
four pieces of the perfect size. Easy to trim with a hand (tenon) saw,
and easy to drill, at slow speed.
Can't remember where I bought it, but just Google clear plastic sheet.
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