For the deck surface, you can use 2x4s, 2x6s, or 5/4x6s. The 5/4 decking (pronounced “five-quarter”), available in cedar and pressure-treated fir, is 1 inch thick and 5-1/2 inches wide with rounded edges that make for a splinter-free surface. Cedar 1x lumber usually has one rough side and one smooth side.
What is the best size wood for decking?
Width: Six-inch wide boards are ideal in most cases. Four inch wide material takes longer to install, creates more gaps and requires a lot more fasteners—but you can use it. Eight inch wide boards, because of their greater width, have more of a tendency to crack and cup, avoid using them.
What size should deck boards be?
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.
What is the most common deck board size?
The most common or standard deck board width is 6-inch wide planks based on square-foot coverage, labor, and material cost.
What is the best thickness for deck boards?
16” on center = Standard for residential decking applications. 12” on center is recommended for a sturdier underfoot feel, when using standard deck board thickness of 1”. 24” on center = Sometimes used for commercial applications such as docks and boardwalks, wider joist spacing requires greater deck board thickness.
Can I use 1×6 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 2×6 for deck boards?
Wood decking is commonly available in 2×6 and 5/4 x 6 profiles. 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. Spacing between deck boards provide a few critical functions.
How much does it cost to build a 20×20 deck?
The average homeowner spends $2,200 to build a 10×10 foot deck, $6,160 to build a 14×20 deck, and $8,800 to build a 20×20 deck. The cost to build a deck with pressure-treated wood, hardwood, or composite is about $25 per square foot, for both materials and installation.
Is 4×2 OK for decking?
4 x 2 Timber Rail / Joist. Pressure treated timber joists. These decking joists are the most common sized framing timber for decking. They provide a solid structure for fixing your decking boards too.
Can you use 2×10 for deck boards?
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.
Should deck boards have a gap?
Proper deck board spacing should have a 1/8-inch gap after the decking has dried out. If you install your decking using wet boards, pressure-treated decking that has not yet dried out, then you should install them with no gap as a gap will be created as they dry and shrink. Deck spacing isn’t anything to take lightly.
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.
Can you use 2×6 for deck joists?
You can use 2×6 as deck joists if the deck is low enough to the ground as not to require guard railing. When using S-P-F 2×6 deck joists, the span must not be greater than 9’0″ (2.73m) with joists at 16″ o.c. (400mm), and 9’10” (3.01m)with spacing at 12″ (300mm).
How thick should patio decking be?
The most commonly used thickness for deck construction is 1-1/4”. But you can also get boards 2” thick, while there are boards only ¾” thick. It depends on the material, how flexible it is, and its hardness rate.
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.
How thick is a 1×6 deck board?
Nominal vs. Actual
| 1x Lumber | |
|---|---|
| 1×6 | 3/4 x 5-1/2 |
| 1×8 | 3/4 x 7-1/4 |
| 1×10 | 3/4 x 9-1/4 |
| 1×12 | 3/4 x 11-1/4 |
What size is 5 4 decking?
5/4 Decking Actual Dimensions 1″ x 5.5.”
Can you use 1 inch boards for a deck?
For the deck surface, you can use 2x4s, 2x6s, or 5/4x6s. The 5/4 decking (pronounced “five-quarter”), available in cedar and pressure-treated fir, is 1 inch thick and 5-1/2 inches wide with rounded edges that make for a splinter-free surface.
Can I use 2×8 for deck boards?
Q: Can I use 2×8 treated lumber as deck boards? A: No, that’s a not a good idea. Lumber wider than 6 inches should not be used as a flat surface. Wide, flat boards have a tendency to pool rain water, which can lead to cupping problems.
Can I use 3×2 for decking?
3×2 can be used but you’ll have to support it more frequently throughout its length, say every five feet or so.
When should I use 2×6 or 2×8 deck?
That’s a model deck code which includes joist span tables. If there is to be a railing, you need the joists to be at least 2x8s. 2x6s don’t have the depth needed to resist the leverage that can be placed on a railing post bolted to them.
Is it cheaper to build your own deck?
When you construct a basic deck with the least expensive lumber on the market, you will probably pay between $8-10 for every square foot of area if you build it yourself. But, if you hire someone to build it, you could end up paying as much as $25 per square foot.
How many hours does it take to build a deck?
You can save most of that cost by putting in some serious time and sweat equity. A 12 x 24-foot one typically requires two people to complete and will take anywhere from one to three weeks depending on experience and skill level. A professional team can usually have the project done in a week or less.
Is it worth it to build your own deck?
The Bottom Line. It may seem overwhelming at first, but if you have the time and a solid understanding of basic construction principles, you can build a pretty incredible deck all on your own. Just keep in mind that while a DIY deck project might be a great option for some, it’s not the solution for everyone.
Should decks be sloped?
The main reason to slope your deck is to reduce the chance of ponding, or water collecting on the decking. With a slope, the water is able to run off and drain sufficiently. You need to make sure that the slope is not noticeable but sufficient enough to do the job of draining.
How far apart should joists be for decking?
Decking Joist Spacing
Decking joists should be spaced at 400mm centres. Structural posts should be positioned no more than 1800mm apart. Use a joist and spirit level to mark the ledger height at the wall.
What lengths do 4×2 come in?
4×2 Timber lengths
3.6 metres x 100mm x 47mm. 4.8 metres x 100mm x 47mm. 5.4 metres x 100mm x 47mm. 6.0 metres x 100mm x 47mm.
Can a 2×10 span 16 feet?
The length of one 2×10 joist span depends on the wood species and how far apart it is from the next 2×10. A 2×10 southern yellow pine joist can span 16 feet and 1 inch without support. A doubled 2×10 beam can span 11′ without support for a deck that is 4′ wide.
How far can I span a 2×8 for a deck?
Depending on various factors, the maximum span for a 2×8 floor joist is 16′ 6”. The maximum span for roof rafters is 23′ 9”. For headers, the maximum span is 11′ 2”. Finally, a single deck beam has a maximum span of 5′ 11” and double maxes out at 8′ 9”.
How far can a 2×8 span without support?
A rule of thumb is 1.5 times a joist’s depth but in feet when spaced at 16” centers. In general, a 2×8 will span 1.5 x 8, so 12-feet.
Should you nail or screw deck boards?
Decking screws are better than nails when building a deck. Decking screws hold down your decking more securely than nails and will stop your decking from warping. Also, you can easily remove screws for deck maintenance without causing damage.
How do you stagger deck boards?
A common method for staggering a deck is to start the first row with a full plank, then cut one-third of the next row’s first board off the end. The row after that has an additional one-third cut off and then repeat when you get back to a full board.
What is the correct way to lay decking boards?
What is the correct way to lay decking? Any decking board manufacturer or professional will tell you: “The proper way to install a decking board is ridge side down.” The ridges are designed to allow for airflow, to stop moisture sitting in the ridge, and allow for a stronger structure.
Can I use 2×4 for deck joists?
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.
How far can a 2×6 span without support?
A 2×6 can support up to 50 pounds per square foot of weight without sagging with a maximum span of about 12 feet when spanning a distance horizontally, with the 2×6 standing in a vertical position. This number includes both live and dead weight.
How far can a 2×6 beam span on a deck?
Decking made of 2x4s or 2x6s can span up to 24 inches. If you will run decking at an angle, you might need to put the joists closer together.
What decking boards are best?
Here’s a look at the best decking materials worth considering.
- 1) Composite Decking. …
- 2) Natural Softwood Timber Decking. …
- 3) Hardwood. …
- 4) Thermowood. …
- 5) PVC Decking. …
- 6) Aluminium. …
- Factors to Consider When Choosing Decking Material.
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.
How many posts do I need for a 12×16 deck?
A standard deck will need four footings parallel to the house, but they will need to be temporarily braced by 6 inch-by-6 inch posts. Using doubled boards, you will then need to build beams on the top row of the posts to frame the edges of the deck. These must be topped with adjustable post caps.
How do I figure out how many decking boards I need?
The first step for answering “how to calculate how much decking I need” is to determine your deck’s square footage, or area, by taking the length of your deck times the width (L x W). EXAMPLE: For a deck that is 16 feet long and 12 feet wide, multiply 16 by 12. This gives you 192 square feet, your deck’s total area.
How much lumber do I need for a 8×10 deck?
You will need six 4-by-4 or 6-by-6 pieces of lumber for the posts and four 2-by-10 pieces of lumber that are at least 10 feet long. The latter will combine to make up the two large beams to support the deck. You will also need eight 2-by-6 beams for your joists, which have to be at least 8 feet long.