In article , Pete C
wrote:
"The main problem with PVC is that it deteriorates with the action
of ultraviolet light from the sun," says Jeff Howell, building
expert, author and journalist for the Telegraph and the Independent
newspapers in the UK.

And only to think that last week he was an authority on condensing
boilers.

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Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
Free SEDBUK boiler database browser http://www.sda.co.uk/qsedbuk.htm