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concrete drip edge
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?
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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.
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

2009-09-08, 12:01 PM	#1
huangyhg 超级版主注册日期: 04-03 帖子: 18592 精华: 36 现金: 249466 标准币资产: 1080358888 标准币	concrete drip edge concrete drip edge 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? check out our whitepaper library. 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. 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 __________________ 借用达朗贝尔的名言：前进吧，你会得到信心! [url="http://www.dimcax.com"]几何尺寸与公差标准[/url]