The hENs have developed for each glass type, e.g. basic soda lime silicate, coated, toughened, laminated, insulating glass units, etc. Multiple functions are covered by the intended use of the product and its declared values.
The organisation placing the product on the market is required to show, through appropriate reference to the relevant hENs and declaration of essential product characteristics, that the product is suitable for its intended use.
In the case of Pilkington Pyrostop® incorporating a solar control glass where the intended use is fire resistance, the relevant hEN is EN 14449 (laminated glass) and fire resistance and solar performance characteristics are stated in the DoP.
Note. Any product with the intended use of fire, explosion or bullet resistance is subject to AVCP System 1 requirements.