Standard stair tread 

Available in your choice of natural timbers or white primed, ready to be finished on site by painting, staining or varnishing. 
Standard treads are manufactured with a notch on the underside for the top of the riser to be slotted into. 
Designed to be cut to the desired depth at installation if required. 
21mm x 268mm 
1.0 metre length 
18mm notch, the standard thickness of hardwood risers, thinner risers can be accommodated with wedges.