If purchasing a door that is not pre hung, advice can be given and the correct products supplied to effectively hang it. When purchasing any of our Pre Hung systems, whether it be standard doors, pivot doors, bifolds, stacker / sliders etc, full easy to follow directions are supplied. We have designed our Pre Hung Systems, so that all the technical aspects are constructed and assembled by our expert tradesmen, and the actual fitting of the frame can be easily done by a handyman. Everything down to the spacer wedges and fasteners are supplied, and your choice of locks and handles are pre-installed. Frames as in the case of multi-bifolds and stacker/ sliders that are too large to deliver in one unit are completely fitted out in the workshop, then the doors taken our frame dismantled for delivery. All fittings are left fastened to doors and frame sections, the doors are numbered and frame sections marked for ease of re-fitting. When re-assembling it is a simple process of fitting the fasteners supplied into the holes. No drilling is required.