Can I put decking over concrete?

Is it safe to build a deck over a concrete patio?

  • Cracks and craters with minimal growth may still be covered without issue, but be cautious if an area of your patio sinks year after year. If the damage to your concrete patio appears too far gone, consult with a local TrexPro® to see whether it's safe to build a deck over your concrete patio.

What should I put between wood and concrete?

Anyplace where wood meets the ground or concrete, the lumber must be pressure treated. For additional moisture protection, a gasket or strip of closed-cell foam can be installed between the concrete foundation and the sill plate.

How do I cover an old concrete patio?

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.May 14, 2019

What can I cover concrete patio with?

Cover an old concrete patio with a wood or composite deck to bring a warm, organic look to the backyard. Build the new deck with wood or composite decking and attach the deck directly to the concrete patio.Jun 17, 2021


How can I make my cracked concrete patio look better?

Caulk and sealer compounds are typically mixed with water and applied with a putty knife or trowel and have a texture similar to grout and can be smoothed or textured to blend with the surrounding area. Once you have your preferred caulk or sealer, place the mixture into your caulking gun and begin to fill the crack.Jan 25, 2019


Can you do pavers over concrete?

According to several paver manufacturers, paving blocks can be installed on top of concrete without mortar if you first lay down a 1/2″ to 1” bed of coarse sand. The process is nearly identical to laying a paver patio over ground. ... Before you begin, make sure your concrete is properly sloped and doesn't puddle.


What is a sleeper system deck?

A sleeper system is a substructure comprising joists that sit between a solid surface (such as concrete) and the decking. ... The sleeper system enables adequate drainage and ventilation which, in turn, protects the deck boards from damage due to moisture build-up.


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. ... Instead, you can put your deck's structural members — posts, girders, and joists — on precast pier blocks set directly in the ground.


How do you cover outdoor concrete?

Lay Tiles Over the Concrete

Laying tile over your patio is another good DIY concrete patio cover-up. If you choose tile, make sure you select one suitable for outdoor use. You'll also want to pay attention to the tile's coefficient of friction (COF).
Nov 9, 2020


Can you pour new concrete over old cracked concrete?

You can put new concrete over old concrete. However, unresolved issues with your old concrete, such as cracks or frost heaves, will carry over to your new concrete if not taken care of. In addition, you must pour it at least 2 inches thick.Sep 30, 2020


Can cracked concrete be resurfaced?

Concrete resurfacing to cover larger cracks or surface problems. Large cracks or holes greater than ¼”, spalling (horizontal peeling or chipping of the surface), and discoloration can be covered with resurfacing or a concrete overlay (a thin layer of cement-based material applied directly over the existing concrete).


How much does it cost to resurface concrete?

Nationally, the average cost for concrete resurfacing is $3 to $10 per square foot, depending on the condition of the original concrete and local labor costs. For smaller projects, some contractors charge a flat fee of at least $500 to $1,000. The new concrete must also be sealed, which costs $20 to $80 per gallon.Oct 19, 2020


What is concrete overlay?

Answer: A concrete overlay is a thin color concrete cement based products that go over existing concrete for repair or decorative reasons. Overlays can be applied as thin as a feather finish up to in most cases 3/4″ depending on the desired finish.


Can you build a low level deck on a slab?

  • Building a low-level deck transformed the look of this outdoor entertaining area. I built a 3800 x 3440mm low-level deck on a concrete slab. The deck meets the house on two sides, with a 120mm clearance on one side and 110mm on the other, so I decided to keep the deck height just above 110mm.


Can you build a Merbau deck over a concrete slab?

  • A Merbau deck built over a concrete slab and pavement in an alfresco area. I built a 90 x 19mm Merbau deck over a concrete slab and pavement in my alfresco area. The maximum height I was able to build the deck was 9.5cm as I could not cover the weep hole in the wall.


What happens if deck blocks are too low?

  • Or if your deck blocks are too low the joist will be suspended and over a longer distance. This can result in a bouncy sensation as you walk on it. All of this means a lot of finicky and time consuming work plus a loss of precious elevation for your specific challenge.


Can you build a wood deck over a concrete porch?

Even if your patio is in terrible shape, you can deck over it. Cracks, craters and seasonal movement along cracks are no problem. ... (depending on the thickness of your decking and whether or not you put spacers under the sleepers). So any door thresholds adjoining the patio must be at least that far above the concrete.


Can you put wood over a concrete porch?

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.


Can a deck be built on top of concrete patio?

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.17 jun. 2021


Do I need a moisture barrier between concrete and wood?

In most cases, either pressure-treated lumber or naturally durable lumber (defined by the IRC as the heartwood of redwood, cedar, black locust, and black walnut) is acceptable. In some cases, separating wood from concrete with a water-impervious membrane or vapor retarder is all that's required.


Can you put untreated wood on concrete?

YES. Any exterior concrete that is in contact with earth may wick moisture. Thus, it is required to place pressure treated wood directly against the concrete if one wishes next to build off that concrete with untreated wood.

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