ORION steel stairs are intended for professional installation, by authorized company. This provides full guarantee, safety and proper installation, as well as subsequent use. Make sure, that you do not receive an ineffctual copy. Yes, copy, because if something is good and checked, it is often copied and offered as the same product.
The ORION stairs are made from unique SteelPrime panels with thickness of 2 mm, coated with a special double layer of galvanic zinc, aluminium 750/800 g/m2 and unique, patented layer of magnesium called Spectron. It gives an incredible corrosion resitance, even up to 25 years.