Selecting Lumber - Deck Building Tools & Materials - How to Design
Find tips and information on types of lumber, pressure-treated board, naturally resistant species, grades of wood, framing, decking and Lumber used in deck construction generally falls into one of the following categories. Lumber sizes. After it is cut, lumber is dried, planed, and smoothed, all of which reduces its thickness and width. today a nominal 2x4 is actually 1-1/2 inches by 3-1/2 inches.