Richard wrote:
wrote:



Try:
http://www.geberit.co.uk/gb/Webgbnew...rod-Rain-Gra-1
They also have a calculator for roof area and water flow dispersal
and
other techie stuff.



Thanks for the link and apologies for being particularly dense (it is

Sunday tho'); where do I find the calculator bit?

TIA Richard

--
Real email address is RJS at BIGFOOT dot COM

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If you go to downloads click on gerberit terrain rainwater systems
(brings up a pdf file) page 13 of that.