Keystone Lintel BOX/K-150 4000mm INS

Internal Solid Walls Length (mm) Height (mm) Thickness (mm) Total UDL (Kn) 600 1800 150 1.6 18 1950 2100 150 2.0 30 2550 2400 150 2.0 25 2550 2700 150 2.0 20 2850 3600 215 2.5 35 3750 4200 215 2.5 30 4350 4800 215 2.5...