What Is A 5 4 Deck Board?
What Is A 5 4 Deck Board? The most popular thickness for decking boards in North America is a 5/4 thickness which is an actual 1” thick. Use the table below to understand the most common board thicknesses: Decking Thickness Definition Table. Nominal Thickness. What is the actual thickness of a 5 4 board? 5/4ths