What width does wood come in?

Structural joists and planks are 2-inches to 4-inches thick and 6-inches wide. Beams and stringers are at least 5-inches wide and 2-inches thick. Posts and timbers are usually 5-inch x 5-inch boards. Appearance framing lumber is 2-inches wide and 1-inch thick.

What dimensions is wood sold in?

Board Foot: Rough sawn lumber is usually sold by the “board foot” (bd. ft.). A board foot is equal to a piece of wood 12 inches long x 12 inches wide and 1 inch thick, or 144 cubic inches. To figure the board foot measurement of a piece of wood, multiply the length x width x thickness in inches, then divide by 144.

What sizes does Treated Wood come in?

Available Sizes and Grades of Dimensional (S4S) Extended Life Lumber
Size*8′22′
2×61,2,RE,F1,2,RE,F
2×81,2,F1,2
2×101,2,F1,2
2×121,2,F1,2

What is the actual size of a 2×12?

Nominal vs. Actual Measurements of Dimension Lumber
Nominal SizeActual Size
2 x 61 1/2 x 5 1/2 inches (38 x 140 mm)
2 x 81 1/2 x 7 1/4 inches (38 x 184 mm)
2 x 101 1/2 x 9 1/4 inches (38 x 235 mm)
2 x 121 1/2 x 11 1/4 inches (38 x 286 mm)
Mar 27, 2020

How wide is a 2×4?

approximately 4 inches wide
A piece of surfaced (sanded smooth) 2×4 lumber actually measures 1½ inches thick and 3½ inches wide. In rough-cut condition, a 2×4 is slightly less than 2 inches thick and approximately 4 inches wide. When wood is milled from a rough to a smooth surface, it loses about ¼-inch from each of its four sides.

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.

What is the actual size of a 6×6 post?

Actual Size

In North America, the lumber industry defines standard wood post sizes as 4×4 or 6×6. The outside dimensions of the standard 4×4 measure 3-1/2″ x 3-1/2″, and the outside dimensions of the standard 6×6 measure 5-1/2″ x 5-1/2″.

How wide is 2×8?

Boards are referred to by their “Nominal Size”, not the actual size. This is because lumber is surfaced or planed smooth on four sides (S4S).

Lumber Dimensions: Nominal vs. Actual.
Nominal SizeActual Size
2×81-1/2″ x 7-1/4″
2×101-1/2″ x 9-1/4″
2×121-1/2″ x 11-1/4″
4×43-1/2″ x 3-1/2″

Can I use 1×6 for deck boards?

Width of material: We recommend only 1×4, 5/4×4 or narrower boards. 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.

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. … 2×6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards.

Can I use 2×8 for deck joists?

2×8 for joists will be fine, with 16″ OC. Should use 2×10 for beams but 2×8 will be fine as well. If you are worried you can triple the 2×8 for the beams but double will be sufficient. You should put the beams at 7 and 14 feet out from the house, with the piers you should do 3 per beam with spacing of 1, 7, 13.

How thick is a 1×6 deck board?

Nominal vs. Actual
1x Lumber
1×63/4 x 5-1/2
1×83/4 x 7-1/4
1×103/4 x 9-1/4
1×123/4 x 11-1/4

Will 2×6 work for deck?

2×6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards. … Most decking is not strong enough to support longer spans than 16″. Some builders reduce joist spacing to 12″ on center to strengthen the deck frame or to increase maximum allowable joist spans.

Do deck boards need to be pressure treated?

As long as there’s a good chance that moisture can reach the wood, it should be pressure treated. This is why the International Building Code requires that siding and structural lumber used for the last six inches of the structure above the ground is pressure treated.

What does a 1×6 actually measure?

A 1×6, for example, actually measures 3/4″ x 5 1/2″. In this case, the planing is necessary for a smoother surface, so that the board could be used for interior applications. The length of the boards is generally exactly what you order, though we usually only stock pieces of even lengths.

What size is 5 4 decking?

5/4 Decking Actual Dimensions 1″ x 5.5.”

What decking boards are best?

Perhaps one of the most prefered types of decking boards is composites. Composite decking boards are composites of recycled plastic and reclaimed wood. It means that they have both of the perks of plastic and wood. For starters, it’s more resistant to damages, including rotting, splintering, insect damage and moulds.

Why are lumber measurements wrong?

Maybe you’ve noticed that lumber sizes are often misleading. The “nominal” cross-section dimensions of a piece of lumber, such as 2 X 4 or 1 X 6, are always somewhat larger than the actual, or dressed, dimensions. The reason is that dressed lumber has been surfaced or planed smooth on four sides (called S4S).

Why are 2×4 rounded?

2×4 have rounded edges as it’s very beneficial to the wood itself and those working with it. They reduce the number of injuries like unwanted splinters during the handling and manufacturing process and also ensure that the lumber stays looking its best all throughout until the customer sees it.

When did 2×4 change size?

This pressured further compromise because thinner 2x4s were a way to compete in price with wood alternatives. Size standards, maximum moisture content, and nomenclature were agreed upon only as recently as 1964. The nominal 2×4 thus became the actual 1½ x 3½, imperceptibly, a fraction of an inch at a time.

What does 2x4x8 mean?

The 2 tells us the thickness of the board in inches, the 4 is the width of the board in inches and the 8 is the length of the board in feet.

What’s the difference between a stud and a 2×4?

“Stud” is a term which applies specifically to the framing lumber that is placed vertically during construction. The standard framing stud in house construction today is a 2×6 for exterior walls, which allows more space for insulation than the older standard of 2×4.