Common deck board widths are 4”, 6” and 8”. The widths are readily available in most lumber or building supply stores, and the number of pieces easily calculated into deck dimensions. Other widths may be used for aesthetics and effect.

What is the width of decking?

How wide are deck boards? The most common decking widths are 90mm to 150mm, with 120mm and 140mm in between.

How wide are treated deck boards?

x 16 ft. Standard Pressure-Treated Decking Board.