Spines are made of steel and painted with electrostatics powder coat. For the wide range of color, pelase click on metal paint tag. Steps are produced by 4 cm beech massive panne and colored with wooden colorant. Except beech, oaken, iroko can be used for production.

Barriers are aluminium. Step distance can be arranged between 18,5 cm - 22 cm. Up to 280 - 300 cm floor high, 13-14 steps possible. Ladders manufactured as  L or  U sytle. Click for ladder plans.