Ceiling beams’ reinforcement and additional reinforcement on the wall laid in the course of construction are determined in accordance with PN-B-03264:2002, with an outline assuming of free-supporting joist.

KZN lintels
KZN lintels for INTERMO/INTEGRO concealed roller shutters together with THERMO-BEAM form a solution ensuring energy-efficiency and installation accuracy. Easy roller shutters’ installation in the insulation