Graphical Construction Glossary >> stairs. >> general >> Cut Stringer Stairs

Cut Stringer Stairs
Stair stringers that are cut to the shape of the treads and the rises in a sawtooth effect
Cut and Mitred Strings
The outside strings are cut with a mitre to the vertical joint with the riser. The tread has a bead the same size as the nosing returned on the end of the tread.
Bracketed strings
A small decorative bracket that is fixed under the tread overhang to a cut string. It is mitred to the riser rather than the string being mitred.
Wreathed String
The junction of two strings that are joined with a curve. The wreathed one has a curve to it's end that matches the curve of the handrail wreath above it.

a wreathed string

A cut and mitred string with a wreathed end.

a bracketed string

The bracketed cut string is not made just for it's good looks. It has a very good practical reason

  1. The vertical mitre joint is between the riser and the bracket, rather than the riser and the string.
  2. The smaller pieces are easier to mitre and fit than the larger strings. In the event of a mistake they are less work to replace.
  3. The treads are notched for the balusters and a return is put on the end of the tread, usually supported by a small moulding. In this case it is a small scotia.
  4. This moulding can in turn get better supported by the bracket.
a bracketed string showing the end overhang

Another shot of the same stair (unfortunately without flash this time) showing the end of the tread and giving a better ides of the thicknesses of the members.

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Please Note! The information on this site is offered as a guide only!  When we are talking about areas where building regulations or safety regulations could exist,the information here could be wrong for your area.  It could be out of date!  Regulations breed faster than rabbits!
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