With demand for impressive, versatile and practical ways of designing entrances and opening up external walls, has come a much greater complexity in the design, manufacture and fitting.

Apart from the very basic single door hanging, it has become very popular for builders, owner builders and handymen to order the entrance,bifolding or sliding system, Pre hung and in most cases fully fitted to the frame, with all locks handles and fittings installed, ready to slide into the opening in the wall and be fitted in place.
Builders have found that not only time and accurracy are important factors in choosing pre hung frames, but the cost effectiveness is also an importatn consideration.