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GBlist: metal roofs for rainwater collection
James: Further to your message of below, one of the main reasons for
specifying prepainted metal roofing is for rainwater collection
(household water via the cistern). Has anyone found that modern prepainted
roofing is a serious liabilitiy for this purpose?
_________________________________________________________
Jorg Ostrowski, M. Arch. A.S. (MIT), B. Arch. (Toronto), Ecotect
- in full-time professional practice since 1976 (Straw Bale since 1978),
environmental/architectural design, ecological planning, consulting
on sustainable buildings/communities. Lectures, seminars, workshops.
3 demonstration projects in Canada, +80,000 visitors
- living a conserver lifestyle & working in a sustainable home and office
ACE, ARE, ACT, ASH-Incs., Phone: (403) 239-1882, Fax: (403) 547-2671
Web Site [under construction]: http://www.ucalgary.ca/~jdo/ecotecture.htm
______________________________________________________
On Wed, 16 Apr 1997, James (Jim) G Hardwick CPA wrote:
>
> Just a few quick comments on the cost issue on the metal roof thread:
>
> A square in roofing trades is 100 SF, measured with the roof, so sloping
> (pitched) roofs will have more squares than the SF of the covered area
> would indicate.
>
> Commercial metal is much less that the "schoolbus quote". Our restaurant
> was quoted at $16,000 for our 3500 SF (about 60 squares due to pitch)
> building several years ago, same roof as on local Hyatt Hotel. Maybe the
> bus man included a driver. The quote for copper or tin was about 150% of
> that, cannot recall exactly. We have procrastinated, but may well go with
> the steel version, does not need painting for some 20 years, has standing
> seams.
>
> The paint that was formerly used on tin roofs was an environmental
> nightmare--PbO2 based--red LEAD! Hate to think how much of that is on/in
> the ground in the historic FAN area of Richmond, near here.
>
> Got a restaurant to run, back to lurking.
> jh
>
> _______________________________________________________________________________
> James (Jim) G Hardwick CPA County of Goochland
> Tanglewood Ordinary (Restaurant) Member, Bd of Supervisors, 1992-95
> 2210 River Road West Welcome, Motorola MOS 19 (soon)
> Maidens,VA 23102-2705 http://www.ordinary.com
> 804-784-7011
>
> AD of the week
> "Stock up and save. Limit: one."
>
>
> __________________________________________________________________
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__________________________________________________________________
This greenbuilding dialogue is sponsored by Oikos (www.oikos.com)
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send e-mail to greenbuilding-request@crest.org.
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