- vertical load
- static torsion
- soft, heavy and hard body impact
- slamming shut and open
- closure against obstruction
- resistance to jarring and vibration
- abusive force on handles
- operating forces
- cycling – as an indication of anticipated service life.
Halspan completed over one million cycles on a 54mm thick Halspan® door fitted into a softwood frame using standard ironmongery. This showed no sign of fatigue after completion of 10 months’ continuous opening and closing.