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Slate Affair Inc.
Senior Member
Username: Slate_man

Post Number: 280
Registered: 01-2007
Posted on Friday, October 17, 2008 - 05:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I would use 20 oz cold roll copper @ 18 x 24 the standard size flat-lock solder roofing.
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BK Lang
New member
Username: Bklang2000

Post Number: 1
Registered: 10-2008
Posted on Thursday, October 16, 2008 - 02:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I have a customer asking me to use soft copper for his flat-lock soldered roof measuring 21 by 27. I have been using SMACNA specifications for 20 years now (20x28 blanks and an improved hem of 5/8" from the spec'd 1/2" hem and Hussey cold rolled copper). Hussey is a bit softer than Revere's equivalent, but is still firm enough for a great looking product.

Is there any drawback to using soft copper over cold rolled?

How do my 'dated' specifications stack up against more current specs? Should I make any changes?

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