All types of our stair cladding systems can be made to custom sizes. 0,5cm of the riser to fit the groove of the upper tread. Bottom riser(1 item) Bottom tread(1 item) ALL OUR TREADS AND RISERS ARE ASSEMBLED WITH STAVES, WHICH ARE THREE TO SIX FULLY LONG PIECES OF WOOD CUT ALONG AND JOINED TOGETHER.
eBay