prEN 12326-3

This document specifies characteristics of schist and schistose stones (see 3.1) intended to be used for assembly into discontinuous roofing and external cladding. This document specifies procedures for assessment and verification of constancy (AVCP) of performance of characteristics of schist and schistose stones. This document does not cover the following: - slate and carbonate slate products (see EN 12326-1:2014 and EN 12326-2:2011); - schist and schistose products, used as wall cladding, which are either bonded with adhesive or fixed with dowels and cramps (see EN 1469:2015); - treated products; - installation or construction specific requirements.