width 8 m depth 6 m height 1m - 1,3m 2 Sound platforms length 1,5 m width 0,8 m Overall height stage 5,75 m Clearance height stage 4,75 m Max load platforms 300 kg/m2 Max roof load after installing poles 720 kg = 4 x 120 kg/beam + 2 x 120 kg/sound beams Maximum snow depth 4 cm Maximum wind speed after installation 60 km/h Stage floors Anti slip plywood - low flammability