The bar bulkheads are made of aerated concrete of the average density grade D 700 and the compressive strength class B 3.5. Concrete grade for frost resistance - not less than F 35.
Lintels with a width of 100, 125, 150, 175 mm are intended only for use in non-bearing walls and partitions with a thickness of 100, 125, 150, 175 mm made of cellular blocks