Baluster width

Baluster width

The standard baluster width is 12 to 60 mm depending on the material.

01 /Baluster thickness by material

The standard width of a baluster is 12 to 60 mm depending on the chosen material.

  • 🪵 Wooden. Profile from 40×40 to 50×50 mm.
  • ⚙️ Metal. Bars or tubes from 12 to 20 mm.
  • 🧱 Concrete. Massive posts from 100 to 150 mm.
  • 🏛️ Newel posts. Starting supports from 80 to 100 mm.

02 /Important safety rules

  • 📏 Spacing. 12 cm maximum per GOST.
  • 👦 Gap for children. No more than 10 cm between elements.
  • 📐 Edge offset. At least 2–4 cm from the step edge.

Related articles

Railings

Baluster spacing

The spacing between balusters is set for safety: the clear gap must be no more than 10–12 cm.

Railings

Newel post width

Support posts carry the main load and are much more massive than balusters — from 70 to 150 mm.

Materials

Materials

Which wood a staircase is made of. Oak and ash are the strongest, pine is the most affordable.