FAQ: How To Build A Deck On Concrete?

Can you lay decking directly on concrete?

Yes, you can lay or install composite decking on concrete if your want to.

Is it cheaper to pour concrete or build a deck?

Installing a patio flush to the ground can cost much less than a deck. At about $5 a square foot, concrete is usually the least expensive option. Patios are best suited for even ground and the cost of creating a level foundation is very high. Patios don’t require regular maintenance.

How do you attach a deck to concrete?

Setting Posts in Concrete

1. Dig the post hole, making it three times the width of the post and at a depth equal to 1/3 to 1⁄2 of the above-ground length of the post, plus 6″ (right).
2. Pour 6″ of gravel or crushed stone into the bottom of the hole.
3. Set the post in the hole.

How do you attach something to concrete without drilling?

A simple fix might include an adhesive or adhesive-baked hook, while there are other fasteners like hard wall hooks and masonry nails. Powder-actuated fasteners and concrete nail guns are useful for supporting frames and providing a much greater hold.

What should I put under my deck?

If the area under your deck or stairs will collect water or is prone to gathering moisture, an inorganic mulch such as gravel, crushed rocks or river rocks is best. Gravel is a good material to place under outdoor structures, because it allows water to drain and doesn’t decompose.

Can you cover concrete porch with wood?

Covering your concrete porch with wood provides a warmer feel. Covering a concrete porch with wood provides a warmer, cozier feel. It is also a good way to cover up peeling paint, slight chipping and discolored concrete. Whatever your reasons, adding a wood floor to your concrete porch is a fairly simple operation.

What is a floating deck?

A floating deck, also called a free standing deck, is simply a deck that’s not attached to any structure, including (of course) your house. To understand how to build a floating deck, here are a few basics. As an independent structure, a floating deck has a few advantages over an attached deck.

What can I cover my concrete patio with?

You can ‘t turn back time on spalling or cracks, but you can cover them up with the right concrete repair products. For example, a layer of Quikrete’s Re-Cap Concrete Resurfacer will give your patio a smooth and wear-resistant finish with the look of freshly poured concrete, but with a shorter working and wait time.

How much does a 20×20 concrete patio cost?

Cost to Install Concrete Patio by Size

Size in Feet	Square Footage	Price Range
12×14	168	$1,400 – $4,000
15×15	225	$1,800 – $5,500
16×18	288	$2,300 – $7,200
20×20	400	$3,000 – $10,000

What is the cheapest way to build a deck?

Choose wood, but carefully: Untreated wood decks are generally the cheapest to install, but don’t forget long-term costs.

How much does a 14×20 deck cost?

Cost To Build A Deck By Size

Deck Size	Square Feet	Average Cost
12×20	240	$3,600 – $8,400
14×20	280	$4,200 – $9,800
16×16	256	$3,840 – $8,960
20×20	400	$6,000 – $14,000

Why deck posts should not be set in concrete?

A deck post should always be placed on top of footing, not inside concrete because it can break. Concrete tends to absorb moisture and wood expands when it gets wet, so these two factors combined will result in the wood breaking the concrete.

Should deck posts be set in concrete?

There are several ways to set deck posts; we recommend attaching the posts to concrete footers above the ground. This helps to prevent wooden posts from rotting. Set footers a minimum of 6” below the frost line for your area to prevent movement during freezing temperatures.

Should I use 4×4 or 6×6 deck posts?

4×4 post will be fine. I have built many decks for new homes with them. 6×6 is more sturdy of course and will not twist as easy, but for structure purposes, 4×4 will be fine. I would just not go more then 10′ apart with them.