
- Scoop, shovel or pour the concrete into the countertop form. Use enough of the mix to fill the mold about halfway up the sides.
- Wear hand protection and press the concrete mix into corners to ensure proper coverage, eliminate any large air pockets and roughly make level.
- Place the re-mesh on top of the mixture, keeping it about 2 inches from the sides.
How to build a concrete countertop?
How to Build a Concrete Countertop. 1 Step 1: Build the Mold. To determine the size of your countertop, measure the base cabinets that the countertop will be sitting upon (Image 1). Add an ... 2 Step 2: Make Cutouts. 3 Step 3: Build Support Frame and Prep Wire. 4 Step 4: Mix and Pour Concrete. 5 Step 5: Remove the Mold. More items
How do you make a 3x4 countertop?
Our island countertop will be 3’ x 4’. The key to a great countertop is a well-built mold to pour the concrete into. Start with a 4' x 6' piece of 1" thick melamine particleboard. Set it firmly on a pair of sawhorses. Measure and mark the exact dimensions on the mold base (Image 2), then cut to your dimensions using a circular saw.
How do you stucco over concrete countertops?
Lay the stucco wire onto the concrete. This will add strength and prevent the concrete from cracking. Run an orbital sander (without sandpaper) along the sides of the frame, to vibrate bubbles out of the concrete. When finished, gently cover the countertop with a sheet of plastic or damp burlap to protect it from dust and dirt.
How do you level a concrete countertop with wood?
Smooth out the concrete with a wood board and trowel. Take a flat-edged wood board and lay it across the width of the form. Wiggle it back and forth like a saw while simultaneously moving it forward along the concrete. It will level out the countertop for you, so no need to worry about using too much concrete.

What goes under concrete countertops?
The plywood for cast in place concrete countertops is a permanent portion of the formwork. The plywood simply serves only as a form bottom, to keep concrete out of the cabinets, and it ceases being necessary once the concrete cures.
How do you place a concrete countertop?
3:0421:16Concrete Countertops! How to Pour In Place | Outdoor Kitchen Part 6YouTubeStart of suggested clipEnd of suggested clipBoard when you're pouring concrete countertops you need first to create a bottom which needs to beMoreBoard when you're pouring concrete countertops you need first to create a bottom which needs to be made up of some sort of cement. Board the sink location needs to be transferred to this purse.
How thick do you pour concrete countertops?
The standard concrete countertop slab thickness is 1 ½ to 2 inches, similar to countertops made of marble or granite. However, contractors can create the illusion of a thicker countertop by casting a drop-front edge.
Does concrete countertop need rebar?
Concrete countertops are not supported by a subgrade, as are floors and other slabs. They are like cantilevers and must be reinforced to limit structural cracking and ensure sufficient tensile strength and ductility.
How much should a concrete countertop overhang?
a. Overhangs -You can do up to a 12" overhang without any additional support or reinforcement. All you will do is let your cement board overhang the cabinets. Remember the form will add another 1-1/2" of overhang.
Do concrete countertops crack?
Over time this wetting and drying cycle will cause the concrete to crack, much in the same way a piece of steel will eventually crack if it's bent back and forth enough times. Heat also can cause hairline cracking. Crock pots are a common source of heat related hairline cracks in countertops.
How long does it take for concrete countertops to cure?
Curing: Proper curing increases the strength an durability of concrete. Curing should be started as soon as possible and should continue for a period of 48-72 hours. Countertop Mix should be moist cured by covering with plastic sheeting.
How many bags of concrete do I need for countertop?
An 80-pound bag of Quikrete's Countertop Mix will yield approximately 0.6 cubic feet of concrete. For example, to make the above 2-foot-by-3-foot countertop, you'll need two 80-pound bags.
How much support does a concrete countertop need?
“There should be between 1/4-inch and no more than 3/8-inch of concrete between the bottom of the countertop and the reinforcement.
Can I use chicken wire to reinforce concrete?
Chicken wire or wire mesh can be safely used as a reinforcement in concrete when the concrete is not used in structural or high-weight areas. The wire mesh or chicken wire can add stretching strength that concrete does not have, giving the concrete rigidity when facing specific pressures.
How do you seal a concrete countertop?
2:2513:49Seal a Concrete Counter Top - YouTubeYouTubeStart of suggested clipEnd of suggested clipOption number one is a concrete countertop sealer made by chain. I had a special order this off ofMoreOption number one is a concrete countertop sealer made by chain. I had a special order this off of Amazon for around $30. It's a water-based clear coat satin finish and it's also a food-grade.
Are concrete countertops easy to maintain?
Concrete countertops offer a completely customizable, handcrafted surface popular in kitchens, bathrooms and outdoor entertaining areas, as well as in restaurants and bars. Concrete counters marry functionality and beauty, plus they are inherently durable and easy to clean and maintain.
Are concrete countertops cheaper than granite?
Generally, concrete countertops are not cheaper than granite. Concrete starts at around $65 per square foot, while basic granite can be as low as $40 a square foot. Concrete counters are an artisan product that come with higher labor costs.
How do you pour in place of outdoor concrete countertops?
1:358:52How to Build a Concrete Countertop (for your Outdoor Kitchen) - YouTubeYouTubeStart of suggested clipEnd of suggested clipUsing a circular saw with a fine-toothed plywood blade cut along the outside edge of the line it isMoreUsing a circular saw with a fine-toothed plywood blade cut along the outside edge of the line it is important to cut all of the side forms the same way otherwise your countertop thickness will vary.
How do you cast in place on concrete countertops?
2:4519:29How to Make a Cast in Place Countertop - YouTubeYouTubeStart of suggested clipEnd of suggested clipWith our mix you want to make it less add less water to make it more pliable. And that you can work.MoreWith our mix you want to make it less add less water to make it more pliable. And that you can work. It. So I'm placing half just a little bit of concrete down.
What are the pros and cons of concrete countertops?
Pros and Cons of Concrete CountertopsPro: 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.
How to measure for a countertop?
To determine the size of your countertop, measure the base cabinets that the countertop will be sitting upon (Image 1). Add an extra 3/4" for each overhang. Our island countertop will be 3’ x 4’.
How to finish a slab of concrete?
Prepare the surface for finishing by etching it with a solution made from 1 ounce of muriatic acid mixed in 1 gallon of water. Wipe the surface thoroughly with a sponge dipped in the acid solution. Wear eye protection, a respirator and acid-proof gloves. If you’re working inside, open doors and windows for better ventilation. Rinse the slab with fresh water to remove the acid mixture and then let it dry completely.
How to keep concrete from leaking out of mold?
Run a small uniform bead of 100-percent silicone caulk in all the inside corners and seams of the mold. Smooth the bead with a caulk tool and let it dry thoroughly for 24 hours (Image 3). You can also use the tip of your finger to smooth out the caulk. The silicone will seal the joints of the mold and prevent the wet concrete from leaking out of the mold.
How to measure for cutouts in kitchen?
If you need to have a cutout in your countertop for a cooktop or a sink, measure and mark it on the mold's base. When determining the size of the cutout, take into account the thickness of the side pieces of the melamine mold. Do a dry fit of the cooktop or sink to make sure the size is correct.
What to cover countertop with to protect it from dirt?
When finished, gently cover the countertop with a sheet of plastic or damp burlap to protect it from dust and dirt (Image 5).
How long does it take for concrete to cure?
Plan for basic color treatments and plain edges. The key to success is building a sturdy, leak-proof mold in which to pour the concrete. P lan to spend a couple of weekends on this project. It takes about a week for the concrete to cure, so work in a space where the countertop will not be disturbed.
How to cut a mold base?
Measure and mark the exact dimensions on the mold base, then cut using a circular saw.
How much does it cost to build a concrete countertop?from thespruce.com
Once again, the idea that concrete is used for sidewalks and patios, thus it must be inexpensive, is false. Expect to pay $150/sq ft or more for full-service concrete countertop fabrication and installation.
How to finish a slab of concrete?from hgtv.com
Prepare the surface for finishing by etching it with a solution made from 1 ounce of muriatic acid mixed in 1 gallon of water. Wipe the surface thoroughly with a sponge dipped in the acid solution. Wear eye protection, a respirator and acid-proof gloves. If you’re working inside, open doors and windows for better ventilation. Rinse the slab with fresh water to remove the acid mixture and then let it dry completely.
HOW DO I HIRE THE RIGHT CONTRACTOR?from concretenetwork.com
When choosing any contractor, get several written estimates and check references carefully. It's especially important to see a portfolio of their work and provide actual samples of the colors and finishes they offer. Visit their website to find photos and descriptions of their prior work. Get more tips on how to hire a contractor for interior concrete work.
What to do if concrete pulls off?from wikihow.com
If a little concrete pulls off with the wall, you can trowel some of the excess concrete back on with a spritz of water.
How to clean a countertop that has been dried?from wikihow.com
Clean the countertop once it has completely dried. Put on some rubber gloves and then wipe down the countertop with a mixture of 10 parts water to 1 part muriatic acid to remove any remaining residue and prepare the material for sealing. Remove the excess acid with a squeegee. 5. Sand your countertops.
What is countertop fabrication?from thespruce.com
During fabrication, the countertop slabs are usually reinforced with fiber or metal mesh of some type to give them strength and rigidity. After fabrication, the countertop is allowed to cure fully, and the surface may be ground and polished to whatever finish the client has requested.
How long does it take for concrete to cure?from hgtv.com
Plan for basic color treatments and plain edges. The key to success is building a sturdy, leak-proof mold in which to pour the concrete. P lan to spend a couple of weekends on this project. It takes about a week for the concrete to cure, so work in a space where the countertop will not be disturbed.
What is the best way to tap a countertop?from bobvila.com
When tapping, pay special attention to the lower portion of the form along the sides and ends. These will be the edges of the new countertop, and as such, most DIYers want them to be as smooth and bubble-free as possible. While some bubbles can be filled later, a smooth, uniform surface offers a professional look.
Where to place concrete form?from bobvila.com
In most cases, the concrete form can be positioned either on a sturdy workbench or on two or more heavy-duty sawhorses with sturdy boards between them to hold the structure.
How much does a concrete countertop weigh?from bobvila.com
Lift the concrete countertop into position on top of your base cabinets. The countertop could weigh more than a hundred pounds depending on the size and thickness, so two or more strong helpers will likely be necessary. If the initial measurements were accurate, the new concrete countertop should fit perfectly in place.
How many bags of countertop for 11x32?from oldworldgardenfarms.com
We used a total of 15 bags for an 11 x 32″ wide counter. At $5 per bag- that is a pretty inexpensive countertop!
How to dissipate air bubbles in concrete?from bobvila.com
Lightly tap the sides of the form gently with a rubber mallet to create the vibrations necessary to dissipate air bubbles. As you tap, the wet concrete will level out, and a slight amount of water may come to the surface. The taps should be very light, and not hard enough that the concrete in the form sloshes around.
How to keep concrete from drying out?from bobvila.com
Photo: hgtv.com. Lay a plastic sheet over the concrete to prevent it from losing too much of the moisture it needs to cure properly. Generally speaking, the longer you allow the concrete to dry, the stronger it ends up being.
What is a sealer for concrete?from bobvila.com
The sealer creates a barrier between food preparation, spills, and the concrete countertop. Concrete is naturally porous, and without being sealed, it can absorb spills, such as wine or juice, which can stain it.
What is the worst way to ruin a concrete countertop?
What’s the worst way to ruin a beautiful concrete countertop? Mess up the installation. This final step in the concrete countertop process isn’t something that you can overlook. Installation is just as important as reinforcing, casting, curing or any of the steps that fall before it. A botched installation can ruin even the most beautiful concrete project.
Why does my countertop crack?
Using a rigid adhesive like an epoxy can cause your countertops to crack, especially if movement occurs at or near a joint. The reasoning for this is the way concrete is reinforced. Concrete is reinforced throughout its length, but not at its ends.
How to carry heavy slabs?
Before you start carrying heavy slabs walk from your truck to the installation area looking for any potential obstacles. Identify problem areas like stairs, corners, etc. Set up sawhorses in areas where you feel you may need a rest so you’ll have a safe place to set your slab.
What is the final step in a concrete project?
Installation is the final critical step in a concrete project. It’s an exciting time, but also an important one. Missteps can ruin an entire project, leave the customer unsatisfied and ruining all of your hard work. This is one step that you have to get right. Take your time.
What to do with a signed cabinet modification checklist?
While a signed checklist won’t always guarantee a perfect job site, it will help you create a paper trail to support additional charges for a second delivery when the job site is actually ready. Make a List…. And Check it Twice.
Can cabinets be moved around?
Sometimes cabinets get moved around or altered after templating resulting in the finished slabs not fitting. Take your templates and any photos you’ve taken with you to the installation so you can easily prove that the cabinets have been moved or altered if needs be.
Do you dry fit slabs before gluing?
Dry fit all of your slabs before you start gluing down. This will give you an opportunity to make minor adjustments in the field. Once you’re satisfied that everything fits together as it should you can start attaching.
How thick is a 2" counter top?
For example, if you wanted 2" thick countertops, the pieces would be cut to 2 3/4" x 61 1/2" for the long sides and 2 3/4" x 26 1/2" for the short sides.
What to do if concrete pulls off?
If a little concrete pulls off with the wall, you can trowel some of the excess concrete back on with a spritz of water.
What to do if concrete is slumping?
If the concrete starts to slump, put it back on. If not, use your trowel to smooth out the outside edge of the counter into a clean , even surface. If you need, a small spray of water makes the concrete a bit easier to work with. You won't need much.
How to cut melamine for countertop?
Cut the sides for your melamine, choosing your desired thickness. Cut the side pieces to the desired thickness of your countertop, plus 3/4" on both ends and one of the sides to adjust for construction. Adjust the measurements for either the short or long ends , depending on how you want the boards to overlap. How this is done doesn't matter, just as long as they make the shape of the base.
How to cut out a sink?
Measure for your cutouts, like a sink. If you need to have a cutout for the sink, measure or trace the shape that you need onto some paper or cardboard. Then, transfer that shape to some high density, firm foam ( like what is used in flower arranging) and cut it out.
What to do with excess concrete?
Take any excess concrete and use it to fill in any low spots.
Can you mix concrete with less water?
Follow the manufacturer's instructions for mixing the concrete and additives. Generally, less water is used for high strength concrete than normal concrete.
How To Build A Concrete Countertop?from concretecountertopinstitute.com
Hi, I’m Jeff Girard. I built my first concrete countertop in 1999. Back then, I didn’t have a guide to follow, or have beautiful step by step DIY concrete countertop instructions like you have here.
What color is concrete?from familyhandyman.com
Concrete countertops come in a range of colors from bright white to black, like the one shown here. If you’re like most people considering concrete, you may be concerned about how porous it is. Fortunately, that isn’t a problem if you seal the countertop correctly.
What is the Meryl Streep of countertop materials?from familyhandyman.com
Dark Elegance. Concrete is the Meryl Streep of countertop materials. It can play many different roles and succeed at all of them. While concrete might make some homeowners think of their utilitarian outdoor sidewalks, clever homeowners can envision concrete livening up their kitchen.
Can you put radiant heat on a concrete floor?from familyhandyman.com
It creates a seamless look without feeling too cold. However, if you are looking at this and thinking about how cold your feet would be on a concrete floor, have no fear! You can install radiant floor heat yourself after choosing the best floor-warming system for your home.
How To Build A Concrete Countertop?from concretecountertopinstitute.com
Hi, I’m Jeff Girard. I built my first concrete countertop in 1999. Back then, I didn’t have a guide to follow, or have beautiful step by step DIY concrete countertop instructions like you have here.
Why is it important to factor in cost of concrete benchtops?from architectureanddesign.com.au
When evaluating the cost of concrete benchtops in comparison to alternatives, it is important to factor in the costs of customisation, labour, and installation. While the cost of concrete itself is relatively low, the addition of these other factors significantly increases overall costs.
What are the pros and cons of concrete bench tops?from architectureanddesign.com.au
Pros and cons of concrete benchtops. Concrete benchtops have many benefits. Durable and hardwearing, they are also incredibly versatile. Considering how they are made – poured in situ or pre-cast – they can be customised into virtually any shape or size. However, it must be remembered that concrete is made of the same cement, quikrete, ...
How much does concrete cost?from architectureanddesign.com.au
Concrete countertops made and installed by professionals cost about $1,000 - $1,800 for the whole kitchen.
What can be aggregated concrete?from architectureanddesign.com.au
Proof positive that brutalism isn’t the only option when it comes to concrete, aggregate materials can include everything from clear mirror glass to coloured glass pieces and glow in the dark stones on backgrounds of any tone.
Can concrete countertops be used in a kitchen?from architectureanddesign.com.au
Indeed, if combined with the right aesthetic choices, concrete countertops can provide as much warmth as any material. Concrete countertops are ideal for kitchens with an industrial look. However, considering the rich patina that the material develops over time, they are just as capable of providing a rustic feel.
Is polished concrete expensive?from architectureanddesign.com.au
Therefore, while polished concrete benchtops installed in standard layout and left in their natural colour are affordable, customised, personalised countertops can be expensive .
