Quality labels
| SKH | Timber test bureau, Wageningen, Netherlands | |
| Swedac | Swedish test institute, Stockholm, Sweden | |
| SKT II | Patented with logo on screw head | |
| Quality control in accordance with QS 9000 and ISO 9001 2000 | ||
| SKH | Timber test bureau, Wageningen, Netherlands | |
| Swedac | Swedish test institute, Stockholm, Sweden | |
| SKT II | Patented with logo on screw head | |
| Quality control in accordance with QS 9000 and ISO 9001 2000 | ||