Laminate flooring floats over the subfloor and although you need to hold it down with baseboards it s stable over a large area such as a living.
Installing laminate on stair stringers.
Laminate flooring installation on stairs.
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.
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.
However installing laminate flooring on your stairs is a completely different matter.
You need to take care of the treads risers and stair noses which can get a bit complicated at times.
You have to ensure that there are no gaps and spaces in the flooring and it is complete and perfect in every way.
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.