To install laminate flooring on stairs start by removing the overhang or the underside of the stairs with a jigsaw.
How to finish stairs with laminate flooring.
The risers go on next.
Once this is done measure and cut out your pieces of laminate to make tread pieces riser pieces and stair nosing.
How to finish stairs with laminate.
The international building code specifies a maximum riser height of 7 inches so a single laminate plank usually suffices but you may prefer to use pine poplar or some other stainable wood instead.
Cut a piece of laminate flooring for each tread.
The riser must come flush with the surface of the tread and the stair nose which goes on last curls around the top of the riser and either fits flush against the laminate.
Measure each tread separately as stairs are often slightly out of square and even very small gaps will be visible in the finished product.