Build wooden stairs in accordance with the regulations

Skilful handymen can build wooden stairs themselves. However, detailed planning is essential to comply with building regulations for stairs. The standards and rules help to achieve a safe and comfortable slope, step width and step depth.

Slope and treads

If you want to build a wooden staircase yourself, you should read the mandatory regulations in staircase construction. In addition to technical specifications, life-related factors also play a role. Minimum width, clearance heights, clearance gauge, incline and the design of undercut steps for part or double helical staircases and spiral staircases are defined.

Based on the height of the entire wooden staircase to be bridged, the number of inclines must be calculated. As a guideline 18 centimeters per slope are to be calculated, which can be underrun however. A larger step height makes the stairs too steep and is not permitted under 19 centimeters of building law.

The standard for stairs also determines a minimum depth of the steps of 26 centimeters. Experts use the formula of double pitch height plus 25 centimeters average foot measurement for convenient use of the stairs.

Stair width and railing requirement

In addition to the rules for the slope and the appearance are in the DIN 18065 for stairs as the minimum width of the stairs eighty centimeters set. In general, the rule that a handrail is required from three levels. It can be a railing or a wall-mounted construction.

The height of the banister must be at least ninety centimeters in private buildings. If the use of wooden stairs by small children is to be expected, a railing form is to be selected, which makes it impossible to fall through and makes it difficult to climb over.

Types of construction and stair timber

  • Open staircase
  • Two stringer
  • staircase
  • Staircase with one or two turns
  • spiral staircase

For coiled variants, the drafting of the staircase must be calculated in the drawing in order to meet the necessary requirements for undercutting the staircase.

As a type of wood are soft and hard woods, from which the substructure and the steps can be sawed themselves. Here too, building regulations regarding the strength and attachment of load-bearing parts must be observed.

Tips & Tricks

If you build a wooden staircase yourself, have the plan approved by the responsible building authority. The rules may differ in the individual federal states.

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