| Basic |
EN 1995-1-1 : 2008 / 09 (Eurocode 5)
DIN 1052 : 2008-12
SIA 263/1 : 2009 + 265/1 : 200 |
| Wood gradings / qualities, according to: |
EN 338, EN 1194
DIN 1052 : 2008-12
SIA 265/1 |
HW + HS : Isonorm
(HW=HM, TCT / HS=HSS) |
|
 |
| L |
S |
| Step length |
Hardwood D30
EN 338 |
| mm |
mm |
| 900 |
36* – 40 |
| 1000 |
40* – 44 |
| 1100 |
40* – 44 |
| 1200 |
42* – 46 |
|
 |
| mm |
mm |
| 900 |
36* – 40 |
| 1000 |
40* – 44 |
| 1100 |
40* – 44 |
| 1200 |
42* – 46 |
|
 |
| mm |
mm |
| 900 |
36* – 40 |
| 1000 |
40* – 44 |
| 1100 |
40* – 44 |
| 1200 |
42* – 46 |
|
|
* Static requirement, in case of inferior dimensions, change steps.
|
Indoor stairs
Pedestals stairs: In general, suitable for all buildings.
Straight stairs: By apartment buildings; consider half-pace.
Helical stairs: Mostly in one-family houses.
Spiral stairs: Unapt for main stairs.
Steep stairs: Alternately step, limited admission, alley ≥ 500 – 700mm, handrails on both sides.
Safety: Opening ≤ Ø 120mm.
Half-pace: After 18 steps at least.
Raising proportion: 2 x ↑ + 1 x ↔ = ~ 620 – 630mm (walk line area).
Walk line: From the interior; spiral stairs from the exterior.
Step depth: At the walk line ~ 250 – 290mm. At the inner well side string ~ 120mm.
Passage width: In one-family houses ≥ 800mm, in apartment buildings ≥ 1100mm.
Wall distance: Steps and half-paces ≤ 50mm, handrails ≥ 50mm.
Balustrade height: For stairs and balustrades ≥ 1000mm.
Handrails: Step-leading edge – handrail-upper edge ↑ 800 – 900mm. Ø 40 – 50mm. |
