the_constructor wrote:

Last year, I painted the shed with some shed and fence paint from the
local builders merchants. I applied 3 coats.

After the winter, most had washed off. It must have been really crap
stuff.

I would have used creosote but it was banned a few years go, unfortunately
Jim

almost as good
http://www.toolstation.com/shop/p14250
definitely a better idea then a modern gloss paint.
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