Table of Contents
Can I use 4×2 for decking frame?
4 x 2 Timber Rail / Joist These decking joists are the most common sized framing timber for decking. They provide a solid structure for fixing your decking boards too. When making your decking frame you should use a 400mm spacing between your timber joists.
Can you use 3×2 for decking frame?
Building a deck requires joists or framework that are fully treated to cope with all the extreme conditions for external use. Whether you require 3×2, 4×2 or even 6×2 we are able to supply the required timber for the job.
What size should deck joists be?
Joist Size and Spacing
| Joist Size | 8″ OC | Cantilever |
|---|---|---|
| 2″ x 4″ | ≤ 7′ 4″ | ≤ 8″ |
| 2″ x 6″ | ≤ 11′ 6″ | ≤ 16″ |
| 2″ x 8″ | ≤ 15′ 1″ | ≤ 16″ |
| 2″ x 10″ | ≤ 24″ |
What wood should I use for decking frame?
In general, pressure-treated timber is one of the best options for decking frames due to its cheap cost. Softwoods, such as Cedar and Redwood, are good choices for framing as well, especially if you want a more sustainable and safer option.
Can 2×4 be used as deck joist?
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.
Should deck joists be 2×6 or 2×8?
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.
What do I need for decking frame?
To build the sub-frame and cut deck boards
- Quick-drying concrete – if required.
- Brick trowel – if making concrete pads.
- Aerated blocks.
- Metal joist hanger.
- 50mm nails.
- Decking joists.
- Coach screws – 8 or 10mm x length required dependent on what you’re securing together.
How wide should decking joists be?
Decking joists should be spaced at 400mm centres. Joists are attached to the ledger or double beam with galvanised joist hangers. Place a scrap piece of decking joist material in the joist hanger to set the width and then nail or screw the joist hanger on the inside of each double beam every 400mm.
Can I use 2×6 to frame a 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.
Can 2×6 be used for deck joist?
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).
What kind of wood is used for deck frames?
How far apart should joists be on decking?
For residential decking, the joist space should not exceed 16 inches as measured on the centre. But if you want a more rigid feel for your decking, you can space the joist by 12 inches on the centre. Additionally, for commercial deckings, the standard joist spacing is 12 inches on the centre.
What is the best wood to use to build a deck?
Decking and railings: These are the most visible parts of your deck, so you’ll want to use the best lumber you can afford. Redwood, cedar, and cypress, as well as the exotic species are good choices, but since most decking boards from domestic woods are sapwood and not rot resistant, you should treat them.
What size are the timbers for a wooden deck?
The timbers running top to bottom will be 50mm x 100mm tanalised structural grade timbers. The deck timbers will be screwed to these. (The overall depth of the timber ‘platform’ will be 288mm (11.5in.) all screwed and bolted together to make a solid deck.)
What size deck joists do I need for my Deck?
The minimum joist size is a 2-by-6, which may span up to 11 feet 7 inches without additional support, if they are spaced just 12 inches apart. It’s easy to compare the cost of a 2-by-6 to the cost of a 2-by-8 or 2-by-10 and think that using 2-by-6 joists will save money. Sometimes it will, if the deck is small.
What size beam do I need for a 4×6 deck?
The beams support the joists and transfer the load from the deck onto the posts and ledger. The minimum beam size is a 4-by-6 made from two, 2-by-6 planks. Looking at the chart, if the joists span 10 feet, you can use a 4-by-8 beam with posts spaced 8 feet apart, or a 4-by-12 beam with posts spaced 12 feet apart.