How do you build a low deck over concrete?
Quote from Youtube video: And now we're just gonna frame over the whole thing. And our decks gonna sit right on top of here it's perfectly the code very easy to do but make sure if you're doing it your slab is in good shape.
Can you build a deck on concrete slab?
An existing concrete patio will make your deck installation much easier and faster, and you can install your deck directly onto the concrete. You will want to account for water drainage and material expansion/contraction, so it is best to place boards called ‘sleepers’ underneath the deck.
How do you build a low deck on uneven concrete?
Lay the deck frame over the uneven concrete surface. If you’re applying the deck directly over a concrete surface, use the bricks and temporary support beams to lift any sagging portions of the frame. If you’re constructing a raised deck, adjust the frame’s height and evenness using temporary support beams.
Can decking be laid on concrete?
Decking boards must NEVER be laid directly on the ground but instead should be fixed to joists of a suitable sub-frame. In most cases we recommend installing your Alpha Composite Decking on a solid concrete base using plastic composite joists.
How do you build a ground level deck on concrete?
Quote from the video:
Quote from Youtube video: Using a spade bit i then countersunk the holes. So that the heads of the concrete. Anchors are well and truly beneath the surface of the joist. And then follow that up by pre-drilling the holes.
How do you build a deck below ground level?
Quote from the video:
Quote from Youtube video: To give me a better visual we started by laying out a frame of the deck till similar to deck I used three inch deck screws. But you can also use joist hangers which is probably a better option.
How do I attach deck posts to concrete slab?
Quote from the video:
Quote from Youtube video: And use anchors that could be installed into cured concrete. If installing into concrete at the time of the pour post bases like the PBS or CBS q column base are ideal.
Can you lay joists on concrete?
The new timber joists need to be suspended above the concrete, normally by around 150mm to prevent moisture transmission through the timber and to provide airflow around the floor.
What is a sleeper system deck?
A sleeper system is a substructure between a solid surface and Trex decking. Drainage, access, and airflow are critical. Water must be able to flow through and away from the deck. For repairs and removal of debris, joist system access may be necessary.
Can you build a timber deck over concrete?
You cannot simply screw decking boards directly to the concrete slab itself. You need to have battening in place for the decking to sit on. This allows air to flow through the structure and it helps to level the height.
Can I build a deck directly on the ground?
Yes, you can build a deck directly on the ground, but with some conditions. A deck on the ground must be built with ground-contact wood, and the substructure needs to be adapted for minimal height. Even though technically a ground level deck is elevated up to 24”, here we will discuss decks built less than 8” high.
How do you make a concrete patio uneven ground?
Mark off the area as usual and then dig it out to the required depth. The depth depends on what type of concrete you’re using and whether it needs a gravel base. You’ll need to dig out more on the higher side to make it level with the lower side. Smooth out the ground and then check the level in all directions.
What is the best sub base for concrete?
The best sub-base for a concrete slab is gravel. The soil has to be prepped first before the gravel can be laid down; pouring concrete directly onto rock is not considered a best practice. You can use different kinds of gravel for the subbase as long as it is clean and uniform in shape and size.
What kind of gravel do you use under concrete?
crushed stone
What Material is Used for a Slab Base? The base in concrete construction is usually a form of crushed stone. Most concrete contractors want a mix of coarse and fine aggregate to create a compactable base that is going to be safe for settlement and drainage.
Can you pour concrete without gravel?
Yes, you can pour concrete over dirt. If you have a very compact soil-type, such as solid clay, then you may have ground that is solid enough to support a slab over a period of time.
Does a 4 inch slab need rebar?
No, rebar is not required for a 4-inch slab of concrete on grade. A 4-inch-thick slab cast on the ground and in constant touch with it will float, with no need for rebar. For concrete that is 5–6 inches thick, rebar is suggested.
Can I pour concrete directly on dirt?
Long story short, yes you can pour concrete over dirt.
