Do you need concrete under pavers?

Once the subfloor of proper thickness is properly installed then you can apply cement board directly to the subfloor material. ALL CEMENT BOARDS MUST be installed in a fresh bed of thinset. ... If you want the cement board under the shower tray then do so - doesn't matter.

Apply white vinegar to dirty and stained pavers with a spray bottle, so that it distributes evenly. ... Set a timer for one hour, and ignore the pavers for that entire time. ... Spray the pavers with dish soap and water, and then scrub away with a wire bristle brush to remove any remaining particles of dirt or stain.More items...

Most exterior slabs do not need a vapor barrier. ... In general, place the concrete slab directly on top of the vapor barrier, with the subbase below. ... The vapor barrier can be placed under the subbase, if the building is closed in when the dry subbase material is placed.More items...

Concrete is strong in compression, but not under tension. So, if it flexes, like a slab with a vehicle on top of will do, it cracks at the bottom whre the flexing becomes tension. ... Mesh will help mitigate the chances of cracking of the slab due to differential settlement.

Under ideal circumstances, acid etching works to expose the pores of the concrete. However, acid etching won't remove glues, mastics, caulk, and common stains, If your floor is marred or stained by these substances, you'll need to resort to grinding at least part of your floor.

If your historic house has original plaster walls, you should not blow insulation into the exterior walls. Old houses with plaster walls have no vapor barrier under the plaster to stop moist air from saturating the insulation. Instead, plaster walls are designed to allow the free exchange of air and moisture.

The Surface Below the Cement Board Flooring: For ceramic tile floors, the cement board usually rests on a plywood subfloor (minimum 5/8-inch-thick exterior-grade plywood or OSB). ... In such wet areas, never install cement board directly over drywall or green board.

Not only is thinset a critical component underneath cement board but the other critical component is the fasteners.

And you won't have the fasteners if you are trying to install it over concrete..

In general, if you are doing any work which is going to modify your floor plan, then, you do need a permit. If you are going to pour concrete for a patio in your backyard, then, yes, you do need a permit.

Concrete pavers do not hold as much heat as brick pavers, but they will still get uncomfortably warm on very hot days. ... Surfaces made from concrete pavers tend to be a little cooler than solid poured concrete surfaces, however, since the spaces between the pavers allow them to a shed some of the heat they absorb.

Concrete pros Lower cost per metre – up to 15 percent cheaper than pavers in some areas.

If you have the budget, pavers are better for walkways and sidewalks because they hold up well to foot traffic. Concrete, especially over time, will crack and need comprehensive repairs.

Do not make a fire pit out of concrete pavers. It is not safe. They will pop and throw pieces of concrete everywhere when heated. You would need to line the inside of the pit with fire brick or some other refractory material.

If you prefer to create your own concrete pavers using Quikrete products, simply follow the instructions on the packet. Generally, you will need a wheelbarrow, shovel and a nearby hose to mix in plenty of water. If you are going to make the mix on your own, then first estimate the volume of mix that you require.

You don't need any cement board under the tub. It is far more important to have a sturdy layer of ply under the tub.

Divide that into the 1036.8 cubic inch yield per bag, and you get about 11 and a half P-662 Pavers per 80 lb. bag of premix concrete.

Should all concrete pavers be sealed? Yes. Concrete is porous and will absorb stains if not sealed. Sealants can also protect paver color from fading.

Concrete pavers do not crack and break if the ground shifts underneath them. They simply shift with the ground. If it freezes, concrete pavers are not affected because they are able to move slightly to accommodate the expanding water.

Concrete pavers are a great option for pool decks because they are durable; chlorine and salt resistant, and can provide the look of natural stone. Pavers also provide good traction and are comfortable underfoot, because the joints take on moisture that helps cool the surface.

That said, pavers great advantage over concrete is in its safety. Because they are not slick, Pavers help reduce the chances of falling on wet pool decks. Solid in All Temperatures — Pavers work very well in midwestern climates with multiple freeze and thaw cycles.

You don't need any cement board under the tub. It is far more important to have a sturdy layer of ply under the tub.

Registered User. permanent wood foundations require gravel, not concrete or soil for the footings - every situation is a little different, but all footings need to bear on the soil/gravel/bedrock/ whatever is supporting the structure equally, or it's going to settle at different rates.

Although concrete pavers cost more upfront, they are significantly more durable and flexible than poured concrete. Concrete pavers are individual pieces, which make the overall paver pattern more flexible and accommodating of fluctuations in the ground when dry set.

Pavers are more expensive for materials and installation compared to concrete slabs, but can be about the same price when compared to stamped, decorative concrete. Whichever option you think is best for your driveway or other outdoor area, make sure you compare quotes from tradies to get the best deal.

Concrete Patio IdeasPaint a Pattern. Yes, you can paint your concrete slab. ... Lay Decking Flooring. Did you know you can lay decking over a concrete slab? ... Add Curves With Pavers. ... Lay Slate Tiles. ... Stain the Concrete to Look Like Tile. ... Add a Beautiful Outdoor Rug. ... Paint Concrete. ... Dress it Up.More items...•Feb 18, 2021

A cracked paver may no long work in your walkway, but that doesn't mean it has no use.Use broken paver pieces as filler or drainage material for large containers. ... Crush pavers into small pieces, using a sledgehammer, and use the material in your landscaping in place of expensive gravel.More items...

Quikrete is one of the biggest names in cement products, but you can make the pavers with any brand of cement mix. Paver forms similar to Quikrete's Walkmaker paver forms are available at any home improvement store.

Using Rebar for Concrete Deck Footings Plain concrete deck foundations without rebar are acceptable under the minimum standards of construction established in the International Residential Code.

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Footings with large bearing areas or unstable soil can benefit from adding rebar to prevent cracking..

Do I need a DPM under laminate flooring? Simply put yes. In order to prevent damp rising through the concrete floor and causing issues, a DPM should be used under all final floor types including wood flooring, laminate, vinyl and floor tiles.

Less Expensive: Concrete pavers are less expensive than brick, due to the lower cost of raw materials.

More Choice: Concrete offers far more design and color options than brick.

If you can imagine it, you can make it happen with concrete pavers..

InstructionsDig Under the Concrete. Dig out the soil, gravel, or other material from under the concrete, using a shovel and a pickax. ... Strike the Concrete. Lightly sprinkle the concrete with water to minimize dust. ... Pry Off Stubborn Pieces. ... Move the Concrete Chunks With a Hand Truck.Feb 19, 2020

You can split block or pavers with a drilling hammer and a mason's chisel. ... Strike the chisel on the score line until the material splits. Power Saw and Concrete Blade. For a larger project or more accurate cuts, a circular saw with a concrete blade is a good option.

Rejuvenate these old pavers with a coat of acrylic concrete or paving paint. ... To ensure the paint adheres properly to the pavers and lasts for years to come, apply a primer and a sealer as well.

Pavers with chips, especially small chips, may be fine to reuse. However, if you want your new paver project to look immaculate, you may want to replace these chipped stones, too. ... Pavers can fade over time, especially if they're in direct sunlight.

Mortar or Concrete Mix A 4- to 6-inch-thick concrete slab is suitable as a base for pavers, which can be laid directly onto the wet concrete so they are held in place when it dries.

Mortar or Concrete Mix Both products can be used with pavers, but they have differing properties and installation techniques.

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Mortar also can be used in the joints between pavers, just like grout is used between tiles..

Sweep the polymeric joint sand into the cracks between the pavers as you would with other materials. It is recommended that you do this three times to ensure that all of the joints are properly topped off. This will increase weed, insect and water protection.

Concrete can and does absorb moisture, which makes the area underneath the pavers ideal for the development of mold, mildew, moss, and weeds. This can lead to these problems spreading in between the paver joints and onto the surface of the pavers.

The application of vapor barrier in exterior concrete is unnecessary due to the fact that water penetration does not matter. Any slab on grade that is enclosed and on the interior of a building should have a vapor barrier installed prior to pouring concrete, especially if flooring will be applied.

Yes! A strong gravel base is required when building a concrete patio in order to prevent the concrete from shifting or cracking. Adding gravel under the concrete also provides a level surface for your foundation and adds proper drainage when there is pooling water.

Registered User. permanent wood foundations require gravel, not concrete or soil for the footings - every situation is a little different, but all footings need to bear on the soil/gravel/bedrock/ whatever is supporting the structure equally, or it's going to settle at different rates.

The pavers are manufactured to high standards, creating a durable and uniform product that can actually create a stronger driveway than poured concrete.

Concrete pavers often carry a lifetime warranty for integrity..

Mortar or Concrete Mix A 4- to 6-inch-thick concrete slab is suitable as a base for pavers, which can be laid directly onto the wet concrete so they are held in place when it dries.

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Mortar also can be used in the joints between pavers, just like grout is used between tiles..

Mortar or Concrete Mix A 4- to 6-inch-thick concrete slab is suitable as a base for pavers, which can be laid directly onto the wet concrete so they are held in place when it dries. ... Mortar also can be used in the joints between pavers, just like grout is used between tiles.

Pavers do not tend to crack, but they can loosen over time. ... One of the nice things about pavers is that they are four times as strong as a typical concrete slab, which means they can handle four times as much weight on their surface before they crack.

One reason it is used as a backfill or sub-grade material. As with all material, it has to be placed correctly and compacted properly. Sand needs to remain damp as well as other material before placement of the concrete. If you want to build a road, use gravel, but this does not mean you will not have issues.

Cement is actually a very porous material and can easily absorb water. Therefore, any concrete that may come into regular contact with water, such as under tile or for a pool, will need to be waterproofed. If cement is not waterproofed, it can cause issues with the mortar used between the tiles.

Whether you pour concrete for a walkway or patio, a strong gravel base is required to prevent the concrete from cracking and shifting.

Gravel is especially important in clay soil because it doesn't drain well, which results in water pooling under the concrete slab and slowly eroding the soil as it finally drains..

Not only is thinset a critical component underneath cement board but the other critical component is the fasteners. And you won't have the fasteners if you are trying to install it over concrete.

InstructionsDig Under the Concrete. Dig out the soil, gravel, or other material from under the concrete, using a shovel and a pickax. ... Strike the Concrete. Lightly sprinkle the concrete with water to minimize dust. ... Pry Off Stubborn Pieces. ... Move the Concrete Chunks With a Hand Truck.