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J.F. AMONN Srl

What is the regulatory framework?

The contribution made by a coating designed to protect a structural element from fire can be determined by analytical calculation, comparing tables and/or by experimental testing.
Amotherm brand reactive paints and varnishes undergo the rigorous testing prescribed by EU regulations to provide an unequivocal classification of their performance and effectiveness.
 
Assessment using comparison tables makes it possible to work out the thickness of the protective coating on the basis of the type of material used, the fire-resistance rating and construction features of the brickwork item to be protected. If the comparison table method is to be used, it is important to check that the elements to be protected correspond to or have improved construction features compared to those in the tables. The said tables can only be used for the purpose of fire-resistance rating if the manufacturer states, on the basis of suitable testing experience, that the product guarantees the performance claimed for it, accepting liability for this statement. The manufacturer must also state that the product demonstrates the necessary adhesion and cohesion for the time period corresponding to the required fire-resistance rating. This statement must be accompanied by instructions for laying the coatings or for installation. This method does not apply to reactive paints given their intrinsic fire-protection properties.
Assessment of protective systems for brickwork structures through experimental testing involves laboratory testing carried out in compliance with the provisions of the document EN 13501-1 and EN 13501-2. A specific experimental test is required for each type of wall. The document issued by the laboratory on completion of testing must contain a paragraph headed “field of direct application” indicating the product’s application limits in relation to the height, length and thickness of the wall. Before choosing a protective coating it is essential to check that the brickwork to be protected comes within the limits given in the test report. Amonn has carried out seven different tests in laboratories accredited according to the relevant European standards, for which a Table of Consumption has been prepared. All the information needed to find out the quantity of Amotherm Brick WB necessary is the fire-resistance rating (durability) and the thickness of the wall to be protected.
 
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