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Concrete drip edge

Concrete drip edge

Concrete drip edge

(OP)
Is there a code or specific rule for designing a drip edge on a concrete overhang?  Like, how far back to place the drip line, or minimum over-hang distance to a vertical element?  ...maybe even a rule-of-thumb?

RE: Concrete drip edge

I don't think there's a code issue here - its more a maintenance issue - I've seen drips placed between 3/4" and 2" away from a concrete edge.  One fear is that if you place it too close, the small "fin" of concrete between the face and drip might chip or spall off.

RE: Concrete drip edge

I generally use 1"with quarterround shape the curved side to the outside.  there is less of a transition and the shape allows easier stripping.  Quarterround is also available in PVC and PE.  Not aware of any code issues... Might be careful about any 'drip'lines that can form...
Dik

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