Quote:
Originally Posted by Citroënbender
Upsize your dwelling downpipes to 100x75, I’ll put quids on them being 100x50.
Identify your stormwater plumbing and (yes, sigh) re-pitch the awning to fall the other way, tie your new plumbing in. Good solid DIY project.
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Yep pretty sure they are 100x50. I reckon it's possible to plumb into the existing pipes under my lawn if I put gutters and downpipes on the pergola after changing the pitch away from the house.
I can't put any new down pipes in on the house gutters without ripping up concrete. Maybe could change existing to 100x75 though.