Quick Answer: What Size Wood Should I Use For Decking Frame?

What kind of wood should I use for a deck frame?

What’s the best deck framing material.

Pressure-treated lumber such as yellow pine, hem-fir are extremely popular framing material options as they are inexpensive and readily available.

Cedar and Redwood are also used often as they are naturally decay-resistant..

What do I need for decking frame?

To build the sub-frame and cut deck boardsQuick-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.More items…

Can you build a deck with untreated wood?

Untreated lumber should be used only if it can be kept dry enough to discourage the growth of rot. … Frequent wetting may leach the borate out of the wood, so it is necessary to coat borate-treated lumber with a water-repelling sealant.

What is the best wood decking material?

The three common choices when it comes to wood decks are redwood, cedar and pressure-treated wood that can be made of various types of wood species. Redwood and cedar are both naturally insect and rot resistant and have a natural look, but each has its own inherent issues.

What size joists do you use for decking?

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.

What screws should I use for decking frame?

An 8 gauge, 2.5” coated deck screw is most commonly used when fastening deck boards to joists. For deck framing, structural wood screws such as Simpson SDS 1.5” screws work with joist and stringer hangers, as well as post/beam brackets.

Does it matter which way you lay decking boards?

No matter what kind of screws you use, always remember to place your boards with the bark side up. Boards can cup away from the bark side which will enable the water to run off the boards.

Can I use 4×2 for decking frame?

if the height is an issue then you can use 4 x 2. It will be a false economy to think that 4 x 2 will be cheaper as you end up putting in more posts and more concrete. DOnt go further apart than 400mm on the centres, the deck will bounce.

Can I use 2×4 for deck joists?

Considering that you will use 2x4s for the joists, at a 12″ span, you cannot make the deck larger than 8’x8′. As you will see in this project, this light construction doesn’t require complex tools or carpentry techniques, so any person with basic skills can get the job done in just a weekend.

How deep do decking posts need to be?

40cmNow you need to dig post holes for the supporting posts. You can mark the ground and move the frame away to give you more room or you can dig the holes with the frame still in place. Dig down to a depth of 40cm for a ground level deck or further of you have soft ground or if the deck is being raised.

How far can a 2×4 span without support?

Subsequently, question is, how far can a 2×4 span without support? 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.

Which direction should you lay decking?

Deck boards with grooves are designed to channel water away from the deck. To help with drainage, they should be fitted with a slight tilt in the direction of the grooves. Some people choose to put the grooved or reeded side face down to allow for airflow underneath the boards to prevent a build up of moisture.

Can I build a deck directly on the ground?

Floating decks can be set directly on the ground or, preferably, a bed of gravel. But it’s best to support the deck on concrete blocks. This keeps the wood off the ground and away from moisture so the wood stays drier and lasts longer.

How far apart should noggins be on a deck?

These should be spaced at maximum 400mm centres and fixed to each other using Richard Burbidge landscape screws and/or galvanised nails, joist hangers, metal angles or 100 x 100mm timber offcuts. For additional strength, noggins (offcuts of joists) are then fixed at 90° to the joist.

How far can a 2×6 decking span without support?

How far can a 2×6 Rafter span without support? The table states that 2 X 6 rafters spaced 16 inches on center (o.c) can span a maximum distance of 13 feet 5 inches.

Does decking attract rats?

Of all the possible places for rats to set up home, underneath properly wood decking is one of the most inhospitable of places. This is because a sterile area is created before construction using a weed-suppressing sheet held in place with a layer of gravel.

Should decking be laid level?

The decking should slope away from the house at a fall of 1:100 and so you need to drop the deck by 10mm for every 1 metre of the deck. … The ground should slope slightly towards the outer edge (away from the property) of the decking to allow adequate drainage.

Does decking frame need noggins?

Most decks will not require the noggins, although it is advisable to always add a couple.

How many footings do I need for a 12×16 deck?

four footingsA 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.

How far can a 2×6 floor joist span without support?

Similarly, how far can a floor joist span without support? Joist Spans A live load of 60 pounds per square foot demands more support and shorter spans. Spaced at 12 inches, the joist may only span 16 feet 8 inches. At 16 inch spacing, 15 feet 2 inches and 13 feet 3 inches at 24 inch spacing.