From:
Nick Durnan <durnan@zzzzzzzzzzzzzzz>
Date:
Thu, 9 Dec 2004 09:50:18 +0000
Subject:
mortar for limestone blocks
Quoted text begins.Do you see plaster used in such a way in your restoration work?
Would the use of plaster be considered to be a permanent material to
assemble stone work?
End of quote.
George
Yes I find gypsum plaster used in virtually every church monument I
have ever repaired. The quick set, no shrinkage and good adhesive
properties make it a very useful material. The set can be retarded if
you add rabbit skin size. I tend to use putty lime and hydraulic lime
mortars when repairing/rebuilding monuments because gypsum does
deteriorate in damp English churches but gypsum plaster does still come
in useful sometimes and there are plenty of 16th and 17th century
monuments where the gypsum plaster is still in excellent condition.
Nick
Nicholas Durnan
Thrift House
Bow Street
Langport
Somerset TA10 9PS
Tel 01458 259094
http://www.nickdurnan.co.uk
- Follow-ups
- message 00512: mortar for limestone blocks - Norman Watts (09 Dec 2004)
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