Metal frame for building loft conversion has metal frame with trapezoidal section formed with uprights to define angle

摘要

The metal frame for a loft conversion has a base beam (2) and an upper beam forming a trapezoidal shape. Two angled posts (4) form the two non-parallel side of the trapezium. Two uprights (5) connect the upper and lower beams and fix their angle. Provisional and permanent fixings connect the frame members together.