cloister brick. Burnt with carbon. Produced formats: on order. Colour: it reddens tints until to graphite. From heating and meringues (according to order).
Side surface: smooth, sandblasted, modyfied, from imprints of fingers (according to order)
Produced mechanically (with press) as full brick ( with perforation – according to order)
Resistance on grip: 35 N / mm2
Water-absorbence: under 4%
Frost-Proof
clinker class.