The transom – post construction system is assigned for accomplishment of structural and semistructural walls, and it is rated to the RMG 1.0 material group. The wall’s construction is based on full or half posts and transoms, which width is 52 mm. There are some solutions for glass assembly: structural glazing or mechanical griping. The individual shapes of curtain wall can be made, thanks to the above-mentioned options: the possibility of assembly curtain wall in full configurations of fire resistance in class EI60; construction of tilt windows next to each other, opening autonomously; fillings: 6, 26, 28 mm.