This video from Watts shows how to install the RD-700 dual outlet roof drain. The RD-700 does the work of two drains in one. May 24, 2016 This video from Watts shows how to install the RD-700 dual ...
The roof, oval in plan, slopes down from north to south and tilts towards a valley gutter at the centre. It is covered with prepatinated copper sheet with double lock standing seams, laid out to ...
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