If you're thinking of the finely grooved side, yes, but not for that reason. The real reason is that the finely grooved side will splinter if you look at it in a funny way if you use it as the upper surface.
Would-be forum deckerers: always screw down your decking through the outermost grooves on the board, otherwise they will curl up like corrugated iron.
If you're thinking of the finely grooved side, yes, but not for that reason. The real reason is that the finely grooved side will splinter if you look at it in a funny way if you use it as the upper surface.
Would-be forum deckerers: always screw down your decking through the outermost grooves on the board, otherwise they will curl up like corrugated iron.