Table of Contents
Hardwood Lumber Dimensions Nominal Size Rough Size Actual Size: Surfaced 2 Sides – 3/4 inch 9/16 inch (14 mm) 4/4 inch 1 inch 13/16 inch (21 mm) 5/4 inch 1 1/4 inch 1 1/16 inch (27 mm) 6/4 inch 1 1/2 inch 1 5/16 inch (33 mm).
What is the thickness of a 5 4 deck board?
Comparing 5/4 Decking With 2×6 Deck Boards, Pros and Cons 2×6 Deck Boards 5/4 Decking Thickness 1 ½” (38mm) 1″ (25mm) Joist Spanning 24″ (600mm) 16″ (400mm) Weight 2.36 lbs (1.07kg) lnft* 1.59 lbs (0.72 kg) lnft* Profile cut Square Cut Rounded Radius Edge.
What is a 5 4 inch board?
5/4 lumber is lumber that was rough sawn to 1 1/4 inch. When it is finished planed as you would get at a retail lumberyard, it will measure about 1″ though that can sometiimes vary upward.
How wide is 5 quarter board?
x 6 in. x 16 ft. Standard Pressure-Treated Decking Board.
What is the thickness of a 4 4 board?
4/4 (four-quarter) lumber is 1″ thick when rough sawn. When 4/4 lumber is planed, it is typically finished at 13/16″ thick. 5/4 (five-quarter) lumber is 1.25″ thick when rough sawn. When 5/4 lumber is planed, typically it is finished at 1.063″ thick.
How thick is a treated deck board?
CHOOSING THE RIGHT DECKING BOARD THICKNESS Decking Type Actual Thickness (inches) Suggested On Center Joist Spacing (inches) Tropical Hardwoods 1x 13/16” 16” Thermally-Modified 5/4 1” 16” Pressure Treated Pine 5/4 1” 16” Western Red Cedar 5/4 1” 16”.
How thick should a deck board be?
NOTE: Standard boards are often called a 5/4 board when referring to traditional lumber, which means the actual thickness is typically somewhere between 1” and 1 ¼”. Thicker boards are often called a 2 x 6 when referring to traditional lumber, which means the actual thickness is somewhere between 1.2” and 1.5”.
Why is it called 5 4 board?
It simply refers to how many 1/4-inches thick the rough stock is. 5/4 is 1-1/4-in. thick, 12/4 would be three inches thick. If you surface rough stock smooth, you will usually lose about 1/4-in.
What is the true thickness of 5/4 lumber?
Each quarter refers to 1/4 inch of thickness, meaning that a 5/4 board is roughly 1 1/4 inches thick. If your project calls for a piece that is exactly 1 inch thick, you’ll want to purchase a 5/4 board and mill it down to the proper size using a jointer/planer.
How are boards measured?
Board feet is a measurement based on volume. One board foot equals 144 cubic inches of wood. A board that is 1 inch thick, 12 inches wide and 12 inches long (1 × 12 × 12) equals 144 cubic inches or 1 board foot. Hardwoods are also typically sold by the quarter.
What size is 4/4 lumber?
A “quarter” system is commonly used in the hardwood lumber industry when referring to thickness. 4/4 refers to a 1 inch thick board, 6/4 is 1-1/2 inch, 8/4 is 2 inches, and so on.
What is a board foot measure?
A board foot is a wood measurement for a piece of lumber 12″ wide by 1′ long by 1″ thick for estimating purposes.
Should I use deck boards or 2×6?
2×6 is thicker and is stronger, but is also more expensive. Spacing between deck boards provide a few critical functions. The primary function is to drain water from the deck. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out.
What is s4 lumber?
S4S stands for “surfaced on 4 sides”, meaning that the material is finished on all four sides. Dimensional lumber is commonly S4S. S4S finished lumber and dimensional lumber are labeled according to nominal size, or the size of the rough board before it was planed smooth.
What thickness is plywood?
The standard thicknesses for plywood are 1 ¼, 1 1/8, ¾, 5/8, ½, 3/8, ¼, and 1/8 inches. The corresponding actual thicknesses are 1 ¼, 1 1/8, 23/32, 19/32, 15/32, 11/32, 1/4, and ⅛, respectively.
How thick is a 1×6 deck board?
1×4 and 1×6 boards lose 1/4 inch in thickness and 1/2 inch in width before leaving the mill. That means a 1 x 4 board is actually 3/4 inches by 3 1/2 inches. The larger 1x boards (1×8, 1×10, etc.).
What size lumber is used for decking?
Commonly used joist sizes are 2-by-6, 2-by-8 and 2-by-10. For example, when you space joists 16″ apart — which is standard for residential decks — a deck spanning 9 1/2′ would require 2-by-6 joists, a 13′ deck would need 2-by-8 joists and a 16′ deck calls for 2-by-10 joists.
Can 1×6 be used for decking?
Never use 1×6 or 5/4×6 material in close to ground applications. Spacing between boards: You must allow space for your deck boards to expand when they take on moisture, as they will inevitably do when exposed to wet weather, rain or high humidity.
Can you use 2×10 for deck boards?
Editor’s Comment’s: There is certainly no problem using the 2x10s for any of the structural framing of the deck. Using 2×10 treated lumber for decking is another matter entirely.
Should deck joists be 2×6 or 2×8?
In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. The larger the deck, the larger the joists. 2×6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards.
Can you use 2×4 for decking?
The short answer is yes. 2x4s can work for deck joists. However, they aren’t ideal for spanning long distances without bending or breaking, so you have some limitations. Choosing 2x4s for a low-sitting deck is perfect for keeping your feet out of the mud.
