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loobyloo
Joined: 06 Nov 2008
Posts: 1
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 Posted: Fri Nov 07, 2008 4:34 am Post subject: Materials question - London stone |
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Hi
A friend of mine asked a question on a non-architecture list which I wondered anyone here might be able to help with.
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A lot of buildings in The City [of London] use a stone effect I don't understand. The building will be faced with white stone (Portland?) but the stones in prominent positions have a crinkly front. It's as if jigsaw pieces soaked in acid had been thrown onto the stone and allowed to eat their way into the rock to a centimetre depth, while the rock between the jigsaw pieces stands proud. What's this called, and how's it done?
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I'd be most interested to hear your suggestions.
Cliff |
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