Testing of uneveness (Excerpt of the German Standard 18 202)
The following table shows the allowable tolerances for the surface unevenness of ceilings, screeds, floorcovering etc.
Unevenness tolerances (from German Standard 18 202 extended table)
| Column |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
| Row |
Item |
Tolerances in mm for distances between measuring points in m |
|
|
0,1 |
0,6 |
1 |
1,5 |
2 |
2,5 |
3 |
3,5 |
4 |
6 |
8 |
10 |
15 |
| 1. |
Usable areas, e.g. floorcoverings, screeds, tiles, etc.
|
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
11 |
12 |
15 |
| 2. |
Usable areas with
higher requirements,
e.g. self-smoothing
compounds
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
15 |
Very uneven:

| bis
0,1 m |
1,0
m |
4,0
m |
10,0
m |
15,0
m |
| 2 mm |
4 mm |
10 mm |
12 mm |
15 mm |
|