![](https://g5test.stair24.com/wp-content/uploads/2023/12/IMG_3305_2-scaled-1.jpg)
Stair termins
![Points Image](https://g5test.stair24.com/wp-content/uploads/2021/11/stair_details-scaled.jpg)
Detail
1.
Stair comfort formula
2.
Stringer
3.
Post
4.
Handrail
5.
Step
6.
Riser
7.
Child slat
8.
Cover plate
9.
Baluster
10.
Bottom slat
11.
Balcony
12.
Cover slat
13.
Free passage
14.
Headroom
15.
Step run
16.
Step rise
17.
Additional measure for installation
18.
Connection slat
Description
Stair comfort formula
Stair comfort formula 2H+B=630 mm, came from human normal step length. Best final result is between 590…650 mm.
![Stair comfort formula point image](https://g5test.stair24.com/wp-content/uploads/2021/11/1.jpg)
Stringer
Material wood, under paint is used material pine covered with HDF. Stringers can be closed (Classic) where steps will be fixed in stringers with tenons. Or can be open stringer (Modern) where step is placed on stringer and fixed with dowels.
![Stringer point image](https://g5test.stair24.com/wp-content/uploads/2021/11/2.jpg)
Post
Material wood. Stringers and handrails fixed to post with screws.
![Post point image](https://g5test.stair24.com/wp-content/uploads/2021/11/3-1.jpg)
Handrail
Material wood. Balusters are drilled into handrail. Handrail distance measured from step nose.
![Handrail point image](https://g5test.stair24.com/wp-content/uploads/2021/11/4.jpg)
Step
Material wood. Steps will be fixed in stringers with tenons. Or can be open stringer (Modern) where step is placed on stringer and fixed with dowels.
![Step point image](https://g5test.stair24.com/wp-content/uploads/2021/11/5-2.jpg)
Riser
Material wood or MDF. Top edge and ends are with tenons in steps and stringers, bottom edge fixed in steps with screws.
![Riser point image](https://g5test.stair24.com/wp-content/uploads/2021/11/6-2.jpg)
Child slat
Material wood. Fixed into steps with screws. Max distance between lower step and child slat 99 mm.
![Child slat point image](https://g5test.stair24.com/wp-content/uploads/2021/11/7.jpg)
Cover plate
Material wood or MDF. Finishing and material choice same as stringers or steps.
![Cover plate point image](https://g5test.stair24.com/wp-content/uploads/2021/11/8.jpg)
Baluster
Round wooden balusters 22 mm or round stainless steel 20 mm. Rectangular balusters 25×25 mm. Drilled into stringer and handrails (Modern type of stringer will be drilled into steps).
![Baluster point image](https://g5test.stair24.com/wp-content/uploads/2021/11/9.jpg)
Bottom slat
Material wood or wood covered with HDF. Finishing and material choice same as stringers or steps. Fixing will be trough baluster hole to floor with screws.
![Bottom slat point image](https://g5test.stair24.com/wp-content/uploads/2021/11/10-1.jpg)
Balcony
Balcony length <3500 mm is made without middle post. Include bottom slat, posts, balusters, handrails. Finishing and material choice same as stair railing.
![Balcony point image](https://g5test.stair24.com/wp-content/uploads/2021/11/11-1.jpg)
Cover slat
Cover slat will cover well hole edge. Material and finishing same as bottom slat.Dimensions 25×45 mm. Optional, not standard.
![Cover slat point image](https://g5test.stair24.com/wp-content/uploads/2021/11/12-1.jpg)
Free passage
1. no handrail.
2. inside railing.
3. outside handrail.
4. in.railing out.handrail.
2. inside railing.
3. outside handrail.
4. in.railing out.handrail.
![Free passage point image](https://g5test.stair24.com/wp-content/uploads/2021/11/13.1.jpg)
![Free passage point image](https://g5test.stair24.com/wp-content/uploads/2021/11/13.2.jpg)
![Free passage point image](https://g5test.stair24.com/wp-content/uploads/2021/11/13.3.jpg)
![Free passage point image](https://g5test.stair24.com/wp-content/uploads/2021/11/13.4.jpg)
Headroom
Smallest distance between walking line and roof edge.
![Headroom point image](https://g5test.stair24.com/wp-content/uploads/2021/11/14-1.jpg)
Step run
Horizontal measure from step front edge to next step front edge.
![Step run point image](https://g5test.stair24.com/wp-content/uploads/2021/11/15-1.jpg)
Step rise
Vertical measure step top edge to next step top edge.
![Step rise point image](https://g5test.stair24.com/wp-content/uploads/2021/11/16-1.jpg)
Additional measure for installation
Stringer/post/riser extra measure for installation. Its not part of stair height measure. Its not part of first step rise.
![Additional measure for installation point image](https://g5test.stair24.com/wp-content/uploads/2021/11/17-1.jpg)
Connection slat
The upper tier and floor baseboard connection molding. Selectable as an additional supply, does not belong to the standard supply.
![Connection slat point image](https://g5test.stair24.com/wp-content/uploads/2021/11/18-1.jpg)
25.11.2021