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olderndirt 06-16-2010 01:29 PM

metal roof - curved roof
 
Our house is an older home with a 7/12 pitch at the peak but it flattens to about a 4/12 at the eaves. Would like to put on a metal roof of some kind but would like some suggestions on the way to go.

Thanks

jlhaslip 06-16-2010 03:11 PM

pictures would help.
Metal roofs can be 'shaped' to fit, but I am not the guy to answer with specifics on how to do it or what the range of movement allows.
It likely depends on the profile and guage of steel.

Ed the Roofer 06-16-2010 07:42 PM

If on piece bending to the pitch break, then a very skilled tinner/sheet metal contractor would be needed. If a 2 piece panel is used, then an "Apron Flashing" also called a pitch break flashing would need to counter-flash the lower panel and slide under the upper panel.

Ed

seeyou 06-18-2010 07:49 AM

Quote:

Originally Posted by olderndirt (Post 457136)
Our house is an older home with a 7/12 pitch at the peak but it flattens to about a 4/12 at the eaves. Would like to put on a metal roof of some kind but would like some suggestions on the way to go.

Thanks

As mentioned above, an experienced tinner could run a true standing seam roof right through that pitch change. But, most pre-manufactured roofing systems (snap lock or exposed fastener) won't bend. The roof would have to be treated as two different sections with the 4/12 roof stopping at the transition point and an apron laid over the top of it (as mentioned above). The 7/12 roof would then start above the apron. Cosmetically, the apron creates a horizontal strip (probably 7" or so wide) at the pitch change. If not detailed properly, this is often the source of leaks. Not saying it can't be done properly, but I get called to repair snow related problems transition flashing areas fairly often.


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