Brick Large format of baked clay with double horizontal perforation for coated masonry factory .; Commercial name: Block of 7; Dimensions and Tolerances: Declared value: 315x190x68 mm., Travel: R2, Tolerances of the average value: T1; Absolute Density: 1925 Kg / m³ Tolerance: Category D1 (10%), Bulk Density: 800 Kg / m³ (Limit ≤1000 Kg / m³) Tolerance: Category D1 (10%); Normalized compression resistance: 10 N / mm². Compression effort (supporting faces): sideways; Type of facing: mortar; Acoustic insulation to aerial noise: Apparent density: 800 Kg / m³, Tolerance: Category D1 (10%); Suction: Cwi.s (Kg / m² * min): ≤ 2.0; Content of active soluble salts: Category S0; Reaction to fire: A1 .; Water vapor permeability: Water vapor diffusion coefficient: 10 (value tabulated according to EN1745: 2012); Adhesion: Initial characteristic resistance to shear of the piece in combination with the mortar: 0.15 N / mm², declaration based on tabulated values according to EN-998-2: 2010, Annex C. Approximate units per m²: 15.