Green Building Forum - How do you size a gutter? Thu, 25 Jun 2026 03:59:17 +0100 https://www.greenbuildingforum.co.uk/newforum/ Lussumo Vanilla 1.0.3 How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221165#Comment_221165 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221165#Comment_221165 Wed, 11 Mar 2015 07:45:29 +0000 Triassic How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221166#Comment_221166 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221166#Comment_221166 Wed, 11 Mar 2015 08:14:28 +0000 PeterStarck How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221169#Comment_221169 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221169#Comment_221169 Wed, 11 Mar 2015 09:44:10 +0000 tony How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221170#Comment_221170 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221170#Comment_221170 Wed, 11 Mar 2015 10:19:58 +0000 owlman Last year as part of a maintenance plan I took off all the standard half round stuff and put in deep-flow. Deep flow didn't exist when I built, but IMO go for that, if it's plastic you're using.]]> How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221174#Comment_221174 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221174#Comment_221174 Wed, 11 Mar 2015 13:20:21 +0000 Mike George Posted By: tonydomestic should be OK with their standard ones 100mm

I would add if maximum gutter run of 5m per running outlet]]> How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221178#Comment_221178 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221178#Comment_221178 Wed, 11 Mar 2015 15:09:33 +0000 SteamyTea Then if you work out the flow rates down the downpipe (use Engineeringtoolbox), double the size for safety, you should be able to work it all out.

You can, if you use Firefox with DownThemAll, get all the weather files for your area.]]> How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221221#Comment_221221 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221221#Comment_221221 Thu, 12 Mar 2015 10:22:54 +0000 borpin Posted By: TriassicI'm having Lindab guttering on my new build, is there a formula for correctly sizing the Guttering?Find a local supplier and ask for the rep's name. They will size it for you, create a BOM etc. That was what I did. Fantastic product BTW.]]> How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221222#Comment_221222 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221222#Comment_221222 Thu, 12 Mar 2015 10:25:43 +0000 borpin
I have a lot of leaves round me so opted for the open gully they do - works brilliantly.]]> How do you size a gutter? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221241#Comment_221241 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=13205&Focus=221241#Comment_221241 Thu, 12 Mar 2015 13:34:14 +0000 ringi