This 421mm Posi-Joist is the deepest profile available in Mitek's engineered metal web range and is designed to span the greatest distances with little to no intermediate supports. The massive 327mm internal clearance zone provides completely unrestricted routing for commercial services, housing large-scale MVHR systems, main soil stacks and dense service runs without any on-site alterations. Made to order in our UK factory using specialist design software, these deep metal web joists provide maximum acoustic performance and stiffness while ensuring full compliance with UK Building Regulations.
