2. Non-traditional roof tiles
For new products, in 1969 the public authorities set up a commission responsible for issuing technical opinions on the suitability for use of roof tiles in construction, particularly when their novelty or the use to which they are put does not allow standardization.
2.1 Experimental technical notices (Atex)
For roofs, coverings and waterproofing, a group of experts – specialised group no. 5 (GS.5) – analyses a tile, its main characteristics and its application conditions. After examining experimental projects carried out under the sole responsibility of the manufacturers, this group gives an opinion on the reliability and viability of the new tile. When the opinion is favorable, the Atex is used to carry out the projects which, if the product proves to be...
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Non-traditional roof tiles
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