FAQ

When you are not quite in the know, terminology can often become confusing. Here we go through a few questions we are asked on a near daily basis, and the technical side of some common staircase design terminology.

TREAD – A Staircase Tread is the phsical step of a staircase where your foot is placed. Common materials used for stair treads are: wood, metal, glass, concrete and marble.
GOING – Treads are measured by the width and the GOING (depth) this can vary from 225mm to 270mm as an average dimension.
RISER – The vertical dimension from one tread face to the next.
NOSING – The overhang at the front of the tread, this is normally a maximum of 20mm. Modern staircases often omit the overhang for a cleaner look.
SOFFIT – The underneath face of the staircase. Traditionally this was plastered. With the modern staircase this element has been fashioned into an eye catching details with the use of modern materials and LED lighting.
LIGHTWELL – The space in the floor through which the staircase passes.
APRON – The width of the floor around the lightwell.
STRINGERS – The sides of the stairs, there are two basic shapes:

  1. Straight stringer have parallel sides.
  2. Cut stringers are best described that you can see the shape of the treads and riser when viewed from the side.

General FAQs

Do we need a hand rail on top of glass balustrade?
Demax have installed both with and without hand rails. It is at the discretion of your Building Control Officer and Demax recommend that you seek the approval of your Building Control Officer if in any doubt.

Can we colour match our timber treads to that of the flooring?
It is possible but as there are so many different chemicals and methods of application for the treatment of wood, this is a very special service.

Do Demax manufacture a range of economical staircases?
Whilst Demax specialise in tailored design, there are models that have received continual design and development which has made both their manufacture and installation very cost effective. Many are in-fact installed by clients themselves with little assistance.