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When specifying stone it is necessary to cover three main aspects of performance;
  • Durability
  • Strength
  • Stone fixing
CWCT has produced two guides to help the stone specifier.  These are:
  • Guide to the selection and testing of stone panels for external use
  • Performance and testing of fixings for thin stone cladding


The documents may be purchased here.

Stone walls have to meet the normal weathertightness and other performance criteria of the building envelope.  Stone panel walls are most frequently constructed as ventilated rainscreens and the specifier should also use the ‘CWCT standard ‘Standard for walls with ventilated rainscreens’.

A new single document on the specification of stone panels and their fixing is under development.
 

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