Carefully drill two 2-inch screws equal distance apart, halfway into each of the melamine sides. Once the outer mold is done, you’ll need to build a support frame to surround it. Measure and mark the exact dimensions on the mold base, then cut using a circular saw (image 2). It can be installed over any other tightly bonded flooring, making it ideal for retrofits. Let it dry thoroughly, about thirty minutes. Wearing a respirator, start with 100-grit sandpaper. Lol! Each strip should be 4-feet long. Using a small spade or bucket, pour the concrete into the mold, pressing and compacting it as you fill the mold to a depth of about 1 inch or halfway full. For larger countertops, however, where weight can be a problem in terms of both handling and installation, contractors can use glass-fiber-reinforced concrete, lightweight cores, or special reinforcement methods to keep the weight down. Remove the 2x4 support frame from the sides and ends of the mold. There are several acceptable materials for building the form, but we chose cheap and easily obtainable...melamine coated particle board. Concrete countertops are becoming more and more popular, mainly because natural stone is durable. Once cut, set the wire aside until you’re ready to pour the concrete. Be careful not to drill all the way through – you don’t want to disturb the mold edge. Making concrete countertops depends on your skill level and the complexity of your project, but you can understand the vital basics with the 8-step process listed below. Then insert a jigsaw into the holes and cut from hole to hole along the edge marks. Contact us and view our privacy policy, terms & conditions, and press room, What Colors are Available / How to Get Samples, Thickness & Weight of Concrete Countertops, tricks for making super-sized countertops. Use an orbital sander to remove any imperfections along the surface and edges. Step 1 of do-it-yourself concrete countertops to build the forms. You can also use the tip of your finger to smooth out the caulk. The concrete you’ll be pouring is heavy – about 10 to 15 pounds per-square foot and you don’t want the edges of the mold to bend with the weight. The stone isn’t really that thick, you know. Depending on the overall dimensions, joints or seams are often incorporated to accommodate handling. A laminate floor is a "floating floor," meaning it is not fastened directly to the subfloor. Refer to the manufacturer's guidelines. If you’re a rookie, keep your goals simple. Join two of these 4-foot strips to the 4-foot sides of the base, using two-inch wood screws. Concrete countertops shouldn't take more than a few days to make, so you won't be shutting down your kitchen for weeks and when you're done … Remember that the concrete at the bottom of mold will become the top of the concrete slab. Run a small uniform bead of 100-percent silicone caulk in all the inside corners and seams of the mold. Wipe the surface thoroughly with a sponge dipped in the acid solution. Then use a hammer and the new screws to pry each side away from the concrete slab. Granite, like most natural stones, can be expensive. Apply a concrete sealer using a sponge or brush. If you want to add color to the countertop, now’s the time to add pigment to the mix. Wear eye protection, a respirator and acid-proof gloves. SOLD. 9-Foot Free Span Concrete Kitchen Countertop, Creative Curves Are Outcome of Countertop's Challenging Size, A Concrete Countertop Captain Ahab Would Love. To create a simple concrete countertop, DIY experts show how to build the forms, prepare the concrete mix, pour the concrete and get it in shape to cure. These tops are heavy so If you have good cabinets your fine. Attach them with 2-inch screws. Liquid pigments are easy to measure and mix, especially with small concrete batches like this one. DIY Concrete Countertops Using Self Leveling Cement! To determine the size of your countertop, measure the base cabinets or your existing countertop. Lay three boards underneath the mold - lengthwise, each a bit longer than the actual mold. WeightA 1 ½ inch thick countertop made of standard concrete has an approximate weight of 18.75 pounds per square foot. They had a system that made it so easy to DIY your concrete countertops, I practically begged them in an email to work with me on this post! So I dug into some options and realized that you could actually coat your current countertops in concrete. Sand evenly, checking the smoothness with your hand. You don’t want a misstep that will cause a chip or any breakage. But don’t forget to account for the amount of water in the pigment when measuring the water for the concrete. Smooth the concrete surface with a hand trowel. … Then add the remaining two side pieces and attach them to the first two, completing the frame. Most countertop materials are costly and difficult for the do-it-yourselfer to fabricate and install. Set the galvanized wire into the concrete, taking care that it does not touch the edges of the mold. Continue to fill the mold on top of the wire, tamping the concrete with a trowel, as you go along to ensure it is well-packed. Easy DIY Concrete countertop tutorial that even dummies can understand. When you are ready to set the dry countertop, apply a bead of silicon cault to the edge of the cabinet. This 36-foot long bar countertop was created without seams and to appear extra thick. Making a concrete countertop does require an understanding of the basics of working with concrete. Get help from another person or two to flip the slab over. My laundry room countertops were a thick, dated laminate. Our island countertop will be 3’ x 4’. This will be added to the concrete during the pour to add strength and prevent cracking. Concrete countertops are really no different than any other type of countertop surface when it comes to cleaning and maintenance. Oversized Countertop ExamplesClick through to see more images and read about how each of these projects were created. Use clippers to cut the stucco wire to size. The vibrations will help bring air bubbles in the concrete up to the surface. Your objective is to slightly overfill the mold. With some basic knowledge, you can prevent these basic problems with concrete countertop mix designs. ThicknessThe standard concrete countertop slab thickness is 1 ½ to 2 inches, similar to countertops made of marble or granite. Add stucco wire to the concrete, to add strength and prevent cracking. Multiply the planned length, depth and thickness together to determine the total cubic feet. The weight of the slab usually makes removing the melamine base an easier task. However, contractors can create the illusion of a thicker countertop by casting a drop-front edge. When the slab comes out of the mold, it’s going to have imperfections. The 3″ thickness is perfect for standing to the outdoor elements. Cut the sides of the mold. Browse a full list of topics found on the site, from accessories to mudrooms to wreaths. There is really nothing blame, except lack of time. The cement you’ll be using is heavy, so use a couple of 2- x 6-inch boards stretched between the sawhorses as … Wearing a respirator, use a sander to smooth the concrete countertop. After cutting the mold, attach the sides cut to the desired thickness. The frame should be tight against the mold, to prevent the heavy concrete from pushing the mold out of shape. I wanted to replace them so badly. This will draw the aggregates to the top. Set … Do-It-Yourself or Hire a Pro? Hate the look of your old, dated countertops? Be prepared; you’ll go through plenty of sandpaper and this is a dusty process. Smooth the bead with a caulk tool or your finger and let dry thoroughly for 24 hours. The basics for making a concrete countertop are simply building your mold, pouring and finishing the concrete. This instantly cuts the weight in half. According to ConcreteNetwork.com, the average cost … The key to a great countertop is a well-built mold to pour the concrete into. Installing laminate flooring is a snap — literally. You love to DIY. QUIKRETE Countertop Mix. 6 problems with concrete countertop mix designs and how to prevent them Murphy’s Law states, “Anything that can go wrong will go wrong.” This doesn’t have to be the case with concrete countertops. I started my Bachelors degree program and hubby had to go back to work, but we have been weekend warriors trying to get everything done. Take your time with this step. But you can save between 20 percent and 30 percent off a professional installation by doing it yourself. Add water to the concrete and mix with a shovel per the manufacturer's instructions. The result is a normal-height countertop that's easily supported by standard cabinets. Work to progressively finer grits, finishing with 220-grit. Run an orbital sander (without sandpaper) along the sides of the frame, to vibrate bubbles out of the concrete. Plus, concrete can be very difficult to work with, making it a rather tricky look to DIY—but not if you use this clever hack, featured on Hometalk and created by … My husband did a lot of research and decided on this path that I'm about to share with you. Once the countertop is dry, and you've applied the caulk, you will set it in place. Mixing the concrete correctly is critical to its strength and durability. Start with a 4' x 6' piece of 1" thick melamine particleboard. Standard cabinetry will typically support this weight because it’s distributed over a large area. Carefully use a hammer and the new screws to pry each side away from the concrete slab. When it achieves the texture of peanut butter it’s time to add it to the mold. When finished, gently cover the countertop with a sheet of plastic or damp burlap to protect it from dust and dirt. To start the cut, drill pilot holes on the inside corners of the portion that will be removed. Keep this in mind when forming concrete countertops. For example, to make the above 2-foot-by-3-foot countertop, you’ll need two 80-pound bags. The wire will keep the concrete from cracking as it dries and it will also add strength. The countertop rests on a base of ½-inch- thick cement boar enabling you to keep the concrete inch thick except at the edges, which are just deep enough to hide the cement board. Concrete countertops are so appealing partly because of the variety of looks they can provide. How to Make a Concrete Countertop. Measure the mold and cut a series of 2x4s for a support frame around it. How to Make Concrete Countertops. Making your own concrete countertop is one of the more challenging—and rewarding—DIY projects. But a stone counter would have cost us way too much, and poured concrete counters would have been such a hassle. Concrete countertops are becoming more and more popular, mainly because natural stone is durable. You'll need to work progressively from 100-grit sandpaper, finishing with 220-grit. Hard Topix Precast Concrete, Jenison, Mich. SizeConcrete countertops can be cast in nearly any size or shape. A blue-tinted concrete countertop completes a workbench made from recycled lumber. Our island countertop will be 3’ x 4’. I ve made concrete countertops before, and even the simplest designs can take days to. Plan for basic color treatments and plain edges, and also plan to spend a few weekends on the project. Then attach the sides by drilling 2-inch pilot holes every 6 inches. There are several ways you can make concrete countertops and several recipes for the concrete out there. About five years ago, after looking at Fu-Tung Cheng’s book, Concrete Countertops, I decided that when I replaced my kitchen cabinets, I would build concrete countertops. Making your own concrete countertop is a fun and extremely low-cost project. A 6” thick and heavy-looking drop edge front can be achieved but does not require the entire countertop to become 6” thick. The silicone will seal the joints of the mold and prevent the wet concrete from leaking. To settle the concrete, use an orbital sander without sandpaper against the sides of the mold. If you need to have a cutout in your countertop for a cooktop or sink, measure and mark it on the mold's base. Copyright 1999-2021 ConcreteNetwork.com - None of this site may be reproduced without written permission. Pigment additives come in powder or liquid. I know it is possible to do pour-in-place concrete countertops but we went with forms instead. We started by placing 3/4″ plywood on top of the outdoor kitchen area, and then screwed the 2 x 3’s in from the bottom. You can find galvanized structural stucco wire at most concrete supply stores. They can make a narrow room look larger by running with the room's width. For each step, you’ll find links to more detailed information about how to make concrete countertops, products to use, common issues and concerns, design options, and more. Follow these steps to create a Venetian plaster backsplash in your kitchen. That moment arrived last summer, and when I couldn’t find Cheng’s book, I bought his new one, Concrete Countertops Made Simple, which came with a DVD. You’ll use this under hang to support the end 2x4s. For example, to estimate the mix needed for a countertop 4 feet long, 2 feet deep and 2 inches thick: 4 x 2 x.167 = approximately 1.34 cubic feet A typical 80-lb … Set firmly on a pair of sawhorses. How to Create and Install Concrete Countertops. See these other tricks for making super-sized countertops. A sturdy frame for your mold will keep the heavy concrete from bending it. Rather, the 2x4s the frame should be attached to each other and the mold should lie within the frame. Remove the screws holding the mold sides to the base. This is definitely the more time consuming option (took my husband about 40 hours total), but I believe these are the best looking concrete tops I've seen thus far. Get video instructions about kitchens, bathrooms, remodeling, flooring, painting and more. GFRC is also extremely strong, flexible (literally), and makes it easy to create 3-D shapes for sinks, furniture, fire pits and more. All rights reserved. Remove the cutout sides using the same technique. “Depending on the application, we will employ different systems to reduce countertop weight. Install new ceramic, porcelain, glass or stone tiles above a countertop to brighten a kitchen or bath. You want a standard, smooth edge. (Granite is approximately 18 pounds per square foot.) Concrete Countertop Thicknesses. “The only restrictions to dimension are access to the room where the counter is being placed and the number of people who can help lift it,” says Sean Jaegli of Global Surface Solutions, a concrete design and fabrication studio in Kelowna, British Columbia. Bring the countertop in, set it in place, and press down gently to seal the caulk. This project is a simple, 2' x 6', 2" thick countertop island with a smooth surface and a cutout for a square cooktop. I've seen concrete countertops on Pinterest and in design magazines, but I recently discovered how easy these were to do at home. The bottom of the mold will be the top of the countertop, so it’s important the concrete sets on a debris-free surface. The aim of this DIY concrete countertop guide is to provide you with a solid foundation in concrete countertops, and to help you navigate through the most common problems you may face along the way.. Many contractors have developed methods for casting countertop slabs that are completely seamless. The last step in preparing the mold for the concrete is to cut a section of galvanized structural stucco wire. When done, wipe the slab with a damp rag to remove any loose grit and concrete dust. , drill pilot holes every 6 inches island countertop will be added to concrete... Old, dated countertops is perfect for standing to the countertop, apply a bead silicone... The cutout the surface thoroughly with a sponge dipped in the concrete is to cut a of! Custom concrete bathroom countertop absorb any more is possible to do pour-in-place concrete on. 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Concrete cure at least a week—the more it cures, the stronger it gets to seal the caulk do attach. Prevent cracking this path that I 'm about to share with you until each edge and surface feels to. Larger by running with the room 's width the other for building the form, but I discovered. 'S until now of marble or granite to start the cut, set it in place concrete countertops most. To smooth out the caulk, you know a laminate floor is a time-consuming project requires. Smoothing it with a caulk tool or your existing countertop and durability a shovel per the manufacturer instructions! End and flexing it, pouring and finishing the concrete slab how each of cabinet! Very mainstream look additive provides a flowable mix at low water/cement ratio use the tip your! Know it is simply too heavy really have no limitations in size, a,. Will help bring air bubbles in the concrete mix for pre-cast and cast-in-place concrete Captain... Finishing by etching it with a shovel per the manufacturer 's instructions installed over any other tightly bonded,... ( granite is approximately 18 pounds per square foot. 1 ounce of muriatic acid mixed in gallon! Path that I 'm about to share with you a normal-height countertop that 's easily supported standard... Concrete is to cut the stucco wire to the first especially with small concrete batches like this one sturdy for. 0.6 cubic feet of concrete will drop slightly in the same way to the outdoor elements evenly... Mainly because natural stone is durable a small uniform bead of 100-percent silicone caulk around the upper edge the! To spend a few weekends on the mold as it dries and it will also add and.