Readers ask: Concrete Counter Top How To?

What is the best type of concrete to use for countertops?

For best results, you’ll want a high-strength mix specially formulated to create a smooth concrete surface that can be polished to a high sheen without cracking. Quikrete’s Countertop Mix, for example, contains smaller aggregate pieces and super-plasticizer additives that form a dense and smooth countertop.

Do you need rebar in concrete countertop?

To be effective, steel reinforcing materials should be placed in the bottom half of the countertop slab. Sufficient concrete cover is required to prevent corrosion and rust stains. Pro tip: Don’t use rebar to reinforce countertops that are less than two inches thick.

How do you smooth a concrete countertop?

  1. Sand the countertop surface and sides to expose any air bubbles near the surface using an orbital sander and 80-grit sandpaper.
  2. Mix a slurry and include the same pigment ratio if your concrete is tinted.
  3. Put on some rubber gloves and spread it over the entire surface to fill and smooth over any voids.
  4. Allow to dry.
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Can you use regular concrete mix for countertops?

You can‘t use regular quikrete without additives for a concrete countertop. You can probably find a concrete countertop mix at your local Lowes. You can definitely buy it from Concrete Countertop Solutions. And I‘ve come across some other interesting companies that sell concrete countertop mixes as well.

How do I keep my concrete countertop from cracking?

Properly reinforcing the countertop itself before the concrete is poured is the best way to reduce the likelihood of cracks. Reinforcing the concrete with rebar, welded wire, or something like our FG-50 Fiberglass Mesh is highly recommended.

Can I use chicken wire to reinforce concrete?

Concrete reinforced with chicken wire or hardware cloth yields ferrocement, a versatile construction material. It can also be used to make the armature for a papier-mâché sculpture, when relatively high strength is needed.

Will concrete countertops crack?

A: Yes. Not always, but concrete countertops can develop hairline cracks. The cracks tend to be non-structural and result from the natural shrinkage of the concrete. However, some countertop cracks can be prevented.

What are the pros and cons of concrete countertops?

Pros and Cons of Concrete Countertops

  • Pro: Concrete is durable. The strength of the cement-and-sand mix alone has some hailing it as a rock solid (we had to) design choice.
  • Con: But it can crack.
  • Pro: Cracks can be fixed.
  • Con: Concrete is susceptible to stains and scratches.
  • Pro: So is basically everything else.

Can I use quikrete 5000 for countertops?

Owens uses Quikrete 5000 to make countertops because it is formulated to gain strength in a week while other products typically require 28 days to cure. Mix the aggregate with water, 80 pounds gives you about 2 linear feet of countertop, making sure what you come up with is stiff, not soupy.

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How much do DIY concrete countertops cost?

Putting in your own concrete for a counter may cost a lot less, around $8 to $15 per square foot. This includes the basic materials needed. You may need to pay extra for tools that make the job easier, like a disc sander.

What should I use to seal my concrete countertop?

Acrylics are a commonly used sealer. They come in solvent-based or water-based formulations (solvent-based products are often preferred). These sealers dry water-clear and are UV-resistant. Acrylic sealers can be brushed, sprayed or rolled on to the concrete.

How long does it take concrete countertops to cure?

As a general rule, traditional concrete should moist cure for a minimum of 5-7 days before being allowed to slowly and evenly dry out. However, most concrete countertop artisans use high-performance mixes that allow for a cure time of 1-2 days before proceeding with processing and sealing.

Can I use sandpaper on concrete?

The good news is that concrete can be sanded with relative ease when the proper equipment is used, such as a good concrete sandpaper (made using diamond instead of sand). There are also three different types of sanded finish you can achieve, depending upon the tools and amount of removed material.

When should you polish concrete countertops?

Allow the concrete countertop to cure for a minimum of 10 days before polishing. Concrete younger than that is still too soft to polish well, and concrete older than a month will be more difficult to polish and will use up more pads.

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