QA

Question: What Is 5 4 Deck Boards

5/4 Decking Actual Dimensions 1″ x 5.5.” If you use 5/4 decking, you are getting two-thirds of the board of a 2×6.

Why do they call deck boards 5 4?

Quarters refer to the thickness of rough-sawn lumber measured in ¼-inch increments. Instead of reading it as a fraction, it should be read as a number of quarters: 5/4 is five quarters, 4/4 is four quarters, etc.

What length is 5 4 decking?

Lumber sizes are usually given in “nominal” measurements. The nominal measurements are a board’s size before it has been planed smooth (surfaced) on all 4 sides.Decking Planks. Nominal Size Actual Size 5/4 × 6 1″ × 5-1/2″ 6/4 × 6 1-5/16″ × 5-1/2″.

Is it better to use 2×6 or 5 4 decking?

5/4 x 6 is produced specifically for decking and is milled with a radius edge or bull nose. 2×6 is thicker and is stronger, but is also more expensive. For lumber decking, both the moisture content of the lumber and the environment its installed in matter.

What is a 5 4 inch board?

5/4 means approximately 1-1/4″ thick. 6/4 means approximately 1-1/2″ thick. 8/4 means approximately 2″ thick.

What size are standard deck boards?

Deck boards are typically 12 or 16 feet long, roughly 5-½ inches wide and about an inch thick – though specific dimensions can depend on the style of board you choose. Composite decking can come with two bottom profiles.

How wide is a 5 4 board?

Hardwood Lumber Dimensions Nominal Size Rough Size Actual Size: Surfaced 1 Side 5/4 inch 1 1/4 inch 1 1/8 inch (29 mm) 6/4 inch 1 1/2 inch 1 3/8 inch (35 mm) 8/4 inch 2 inches 1 13/16 inch (46 mm) 12/4 inch 3 inches 2 13/16 inch (71 mm).

What is the best size wood for decking?

Select 5/4×6 inch deck boards to fasten in a perpendicular pattern to joists spaced 12” or 16” on-center (OC), or diagonally on 12” OC joists. Use 2×6 planks for 16” or 24” OC joists, or if running diagonally to 16” OC joists. For high traffic decks, 2×6 planks offer a more solid and safer surface.

Can you use 5 4 deck boards?

“Five-Quarter” or “5/4” This is the most common decking board sold; based on standard 16” OC joist spacing and type of material, this may be the minimum allowable thickness.

Should I use 2×6 or 2×8 for deck?

For upper-level decks, 2×10 is recommended as the minimum size to use for strong guard post connections. 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″.

How many decking boards do I need for a 10×10 deck?

For a 10×10 square deck, you would therefore need twenty-two 10′ deck boards. Dimensions for deck boards can vary depending on the look you want and the deck board type you use. However, the most common is a 5/4” thick by 6” wide deck board of any length.

How many deck boards do I need for a 12×12 deck?

For example, a 12-foot x 12-foot deck of 5/4 x 6 pressure treated wood decking on 16 inches on center spacing of joists will require: A 12-foot long deck with joists 16 inches on center will require 10 joists. 20 fasteners x 26 (number of rows of decking) = 520 fasteners. Add 10 percent to be safe.

What size is 4/4 lumber?

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.

Can you use 1×6 for deck 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 boards have a gap?

When using wood decking, you want a gap of at least 1/8 of an inch after your decking has dried out. If you’re using decking that’s already been dried out, you can leave a 1/8-inch gap when you install. Many decks will use “green” wood, or wood that hasn’t been dried down or kiln dried.

How much weight can a 5 4 deck board hold?

In short there’s no one right answer to “how much can my deck hold?” However, one rule of thumb to keep in mind while answering the question is that the answer commonly is that if a deck is properly designed, it’s built to hold 50 lbs. per square foot. It’s possible that it could hold much more weight than 50 lbs.

What type of wood is 5 4?

It simply refers to how many 1/4-inches thick the rough stock is. For example, 4/4 (read out loud as four-quarters) is 1-in. thick in the rough. 5/4 is 1-1/4-in.

How thick is a standard deck board?

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”.