[Cob] Alternative shingles

[Amanda Peck]

Thatch and a living roof (which may well require not exactly "all natural" 
materials--there is a belief that pond liner is not suitable for rainwater 
catchment) are the two one hears about.

Seems like I have heard of something not wood, metal, or (much) concrete, 
but I can't remember details right now--possibly something suitable for very 
dry climates like papercrete.   Charmaine Taylor is using asphalt emulsion 
in some of her mixes, it may be really pretty waterproof, and suitable for 
her Northern California area.

Here's Kelly Hart's papercrete page--he lives in a papercrete dome.
http://www.greenhomebuilding.com/papercrete.htm


..............

Karen (dognyard) asks
I know it would be a lot of work, but has anyone made their own shingles
out of an alternative material (not wood, metal or concrete)?

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