Rethink Your Life!
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[Cob] Roofing question & thoughtscharner at charner.org charner at charner.org
Thu Nov 15 08:46:29 PST 2007
Wood shakes and shingles are good for about 15-25 years but you will also need underlayment (most likely asphalt based felt). I like a 5v crimp metal roof (galvanized finish unpainted) for water catchment... also inexpensive. As far as material sustainability it's hard to beat thatch or a vegetated roof. It will be hard to find someone who can thatch in the US unfortunately. Asphalt shingles will not be good for clean water catchment btw. -CR Quoting phil <philhawnnc at excite.com>: > > EPDM, asphalt shingles and the like are petroleum products and if > you are concerned about future cost and replacement then you need to > steer clear of anything made with petroleum by-products. You might > consider a wood shake of some sort. If pitched properly it will shed > water and last as long as or more than asphalt shingles. If you can > find someone that thatches you should consider that too. Cob house > and thatch roof, they go together. > > > > > > Phil > > > > --- On Wed 11/14, drub < drub at pobox.com > wrote: > > From: drub [mailto: drub at pobox.com] > > To: coblist at deatech.com > > Date: Wed, 14 Nov 2007 20:41:14 -0800 > > Subject: [Cob] Roofing question & thoughts > > > > In the scheming stage. Looking forward to real cobbing next > summer.Am thinking of the roof design. Have seen pictures of > several cob houses with fairly flat roofs. Gotta believe a membrane > was used. Some have been planted. * What kind of membrane was > used? Conventional roofing membrane? Some sort of swimming > pool product? * Is a membrane a good, long term choice? As > materials become more expensive and less available, will this > sort of membrane be serviceable in future years of depletion? > * Would a conventional asphalt shingle be a better, more > sustainable choice? It would likely be more available. True? > * What other materials should be considered? Tiles?Thanks for > your > thoughts,David_______________________________________________Coblist > mailing > listCoblist at deatech.comhttp://www.deatech.com/mailman/listinfo/coblist > > _______________________________________________ > Join Excite! - http://www.excite.com > The most personalized portal on the Web! > > > > _______________________________________________ > Coblist mailing list > Coblist at deatech.com > http://www.deatech.com/mailman/listinfo/coblist >
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