Platform or stairs

Abstract

A platform or staircase comprising a plurality of platform or staircase panels, characterized in that each panel comprises a composite material comprising: a plate-shaped main body made of natural stone with a thickness of 7 mm to 9 mm; a fabric arranged on the rear surface of the main body made of, in particular overlapping, glass fibers with a mass per unit area of ​​approximately 500 g / m 2 , a casting of epoxy resin filling the pores of the fabric and adjacent spaces, whereby natural stone, fabric and epoxy resin form a closed layer composite, wherein the composite panel is bonded to the landing or staircase via its back by means of a two-component polyurethane adhesive which expands by at least 100% of its applied volume after application and contains a reaction retarder with a delay time of 0.5 min to 5 min.