If you want know about Staircase details or Toilet details or Ramp details please click the link above.

  • Stairs is a set of steps which give access from floor to floor.
  • The room or enclosure of the building, in which stair is located is known as staircase.
  • Staircase provide access & communication between floors in multi-storey buildings and are a path by which fire can spread from one floor to another.
  • Therefore it must be enclosed by fire resisting walls, floors, ceilings and doors.
  • It must be designed to carry certain loads, which are similar to those used for design of the floors.
  • Stairs may be constructed of Timber, Bricks, Stone, Steel or Reinforced Cement Concrete.

Example of staircase detail


1) Technical terms

i) Step

  • It is a portion of stair which permits ascent or descent. A stair is composed of a set of steps.

ii) Tread

  • It is a upper horizontal portion of a step upon which foot is placed while ascending or descending.

iii) Riser

  • It is a vertical portion of a step providing support to the tread.

iv) Landing

  • It is level platform at the top or bottom of a flight between the floors.

v) Flight

  • This is an unbroken series of steps between landing.

vi) Rise

  • It is a vertical distance between two successive tread faces.

vii) Going

  • It is a horizontal distance between two successive riser faces.

viii) Nosing

  • It is the projecting part of the tread beyond the face of riser.

ix) Scotia

  • It is a moulding provided under the nosing to provide strength to nosing.

x) Soffit

  • it is the underside of a stair.

xi) Pitch or slope

  • It is the angle which the line of nosing of the stair makes with the horizontal.

xii) Strings or stringers

  • These are the slopping members which support the steps in a stair.

xiii) Newel post

  • Newel post is a vertical member which is placed at the ends of flight to connects the ends of strings and hand rail.

xiv) Baluster

  • It is vertical member of wood or metal, supporting the hand rail.

xv) Head room

  • It is the clear vertical distance between the tread and overload structure.

2) Architectural Downloadable Stuff

  • A community of architects, designers, manufacturers, and students as well as a helpful staircase detail library of excellent and distinctive DWG blocks make up



Improve your ARCHITECTURAL knowledge with the help of this Educational site and also available downloadable architectural data…

3) Direct Downloadable Stuff

  • Architectural educational items (products) for increase your knowledge. it’s downloadable products and its use for only educational purpose…..

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