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Internal Corners

When the back of a gutter is cut down to allow the valley to discharge into it, the gutter capacity is affected. In these cases, gutter calculations should allow for 20 mm less water height, and a min 3 mm spacer should be attached to the back of the gutter (or fascia) at the internal corner to maintain the clearance between the gutter and the fascia.

 

/cop/roof-drainage/types-gutter#internal-corners
Revision Category: 
4 - Clause Inserted
Revision Detail: 

New clause.