Equipped with 3 holes for half-brick bond coverage on a façade (overlap 5 cm). Thickness: nominal thickness 4 mm. Size tolerance: by length and width +3/-3 mm; on thickness +1/-0.4 mm. Volume mass 1850 kg/m3 (min 1750). Water absorption 15%. Fracture bending stress: parallel to the fibres 16 N/mm², perpendicular to the fibers 25 N/mm², average bending moment 55 Nm/m. Hygric expansion coefficient 3.3 mm/m. Thermal expansion coefficient 10-6 m/mK. Frost resistant.