In article ,
alan_m wrote:
One of the shops at the end of my street was roofed with some kind of
composite slate look-a-like material. Although the same size as a slate
they were around 50 to 75% of the weight. The roof looked good when
first done but 15 years later it looked if the roof had been installed
50+ years ago. While the "slates" were still in good condition the nails
used had presumably rusted away and many slates were slipping/dislodged.

Done by a cowboy. Artificial slates should use copper nails.

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*I'm planning to be spontaneous tomorrow *

Dave Plowman London SW
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