The Amorgard TD1 Tuff Dor Temporary Security Door is quick to fit & constructed from tough, rugged galvanised steel. It is ideal for securing rooms & buildings on a temporary basis. The heavy duty door is fixed using an internal clamping system that screws into the door frame while bolt holes fasten the base. The featured multiple point locking system gives you extra peace of mind when leaving site for the day. Stringently tested to perform under pressure, the Tuff Dor is suitable for doorways any size between 830mm x 1890mm to 1130mm x 2070mm.