I have Just found this excellent Company called Tarps-uk.
They produce "Hand Made" Tarpaulins to your exact size requirements
in Traditional 16oz Green Canvas. Another speciality of Tarps-uk is
"Ripstop" Synthetic Canvas,it's 100% waterproof, Rotproof, and
extremely TOUGH - Tarps-UK also hand make covers in Heavy Duty PVC in
a full range of colours.... Each one comes complete with Solid Brass
Eyelets -with ropes attached as standard. They are open for business 7
Days a week and also do a full range of Polytarps - as well as a
"Supertough" range - Scaffold Sheeting - Rope - too much to list here
...... contact them at www.tarps.co.uk or give them a call on 07770
543215
John