<< My builder wants to use Lousiana Pacific Top-notch OSB for the subflooring
in our new house. I haven't heard much about the product, can anyone shed some
light (pros/cons) to using it? >>
The people that build with it don't have to live with it. OSB is still resin
and wood scrap. For putting down a quality hardwood floor, IMHO nothing beats
plywood. Before plywood the old fashioned way was diagonally laid tongue and
groove boards, Haven't seen that anywhere for years except in old houses.
Sheathing was done that way , too, in the better structures. Durability is not
a very high priority these days...