how thick to make concrete countertops

Apply a concrete sealer using a sponge or brush. These seams can often be concealed with color-matched grout or a veined finish, or they can even be used as an attractive design element (see this massive concrete dining table made of three slab sections joined by decorative stainless steel bands). This project is a simple, 2' x 6', 2" thick countertop island with a smooth surface and a cutout for a square cooktop. The key to a great countertop is a well-built mold to pour the concrete into. Smooth the bead with a caulk tool or your finger and let dry thoroughly for 24 hours. The stone isn’t really that thick, you know. This will be added to the concrete during the pour to add strength and prevent cracking. Do-It-Yourself or Hire a Pro? QUIKRETE Countertop Mix. Oversized Countertop ExamplesClick through to see more images and read about how each of these projects were created. Attach them with 2-inch screws. All rights reserved. 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 … Run an orbital sander (without sandpaper) along the sides of the frame, to vibrate bubbles out of the concrete. However, contractors can create the illusion of a thicker countertop by casting a drop-front edge. You’ll use this under hang to support the end 2x4s. Then measure and cut the sides for the cutout, attaching them by butting them against the edges of the base inside the cutout. Wearing a respirator, use a sander to smooth the concrete countertop. How thick should concrete countertops be? But you can save between 20 percent and 30 percent off a professional installation by doing it yourself. You can find galvanized structural stucco wire at most concrete supply stores. A mild soap and warm water is recommended for daily cleaning. You can also use the tip of your finger to smooth out the caulk. Don't miss your favorite shows in real time online. You don’t want a misstep that will cause a chip or any breakage. Depending on the overall dimensions, joints or seams are often incorporated to accommodate handling. When done, wipe the slab with a damp rag to remove any loose grit and concrete dust. Join two of these 4-foot strips to the 4-foot sides of the base, using two-inch wood screws. Once the outer mold is done, you’ll need to build a support frame to surround it. But do NOT attach the frame to the mold itself. Get help from another person or two to flip the slab over. The countertop rests on a base of ½-inch-thick cement board, enabling you to keep the concrete 1 inch thick except at the edges, which are just deep enough to hide the cement board. … Set firmly on a pair of sawhorses. Be careful not to drill all the way through – you don’t want to disturb the mold edge. Let it dry thoroughly, about thirty minutes. Instead of standard square tile, consider rectangular plank tile. 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. Concrete countertops are so appealing partly because of the variety of looks they can provide. DIYNetwork.com has detailed instructions on how to build a concrete countertop. Place a sheet of 3/4-inch melamine particle board that is larger than your finished dimensions on two sawhorses. The frame should be tight against the mold, to prevent the heavy concrete from pushing the mold out of shape. After cutting the mold, attach the sides cut to the desired thickness. The silicone will seal the joints of the mold and prevent the wet concrete from leaking. Making your own concrete countertop is a fun and extremely low-cost project. Concrete countertops can cost anywhere from $70 to $90 (or more) per square foot, according to HGTV. Wipe the surface thoroughly with a sponge dipped in the acid solution. The vibrations will help bring air bubbles in the concrete up to the surface. My laundry room countertops were a thick, dated laminate. Install new ceramic, porcelain, glass or stone tiles above a countertop to brighten a kitchen or bath. The bottom of the mold will be the top of the countertop, so it’s important the concrete sets on a debris-free surface. Enter Concrete Countertop Solutions, I found them while searching and researching all I could about pour in place concrete countertops. The standard slab thickness is 1.5” – 2”. Other items needed are: A blue-tinted concrete countertop completes a workbench made from recycled lumber. 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. Plan for basic color treatments and plain edges, and also plan to spend a few weekends on the project. 9-Foot Free Span Concrete Kitchen Countertop, Creative Curves Are Outcome of Countertop's Challenging Size, A Concrete Countertop Captain Ahab Would Love. Carefully clean the mold of sawdust and other materials. “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. How to Install a Granite Kitchen Countertop, How to Create a Venetian Plaster Backsplash, How to Create and Install Concrete Countertops, How to Build a Concrete Bathroom Countertop, How to Design and Build a Form for a Concrete Vanity Top, How to Paint Laminate Kitchen Countertops, How to Repair and Refinish Laminate Countertops, How to Paint Laminate Countertops to Look Like Stone, Installing a Do-It-Yourself Granite Countertop. To determine the size of your countertop, measure the base cabinets or your existing countertop. If you want to add color to the countertop, now’s the time to add pigment to the mix. Your objective is to slightly overfill the mold. Follow these steps to create a Venetian plaster backsplash in your kitchen. Smooth the bead with a caulk tool and let dry thoroughly for 24 hours. You love to DIY. So imagine a different kind of countertop material with the heft and solidity of expensive quartz or natural stone countertops, yet coupled with the economy of laminate.This material is concrete. Remove the cutout sides using the same technique. Use a square to check corners, and the outer mold is complete. Liquid pigments are easy to measure and mix, especially with small concrete batches like this one. Standard cabinetry will typically support this weight because it’s distributed over a large area. With GFRC, the slabs can be cast in thinner sections than similar pieces made with traditional concrete, reducing the weight by as much as 75% while still maintaining tensile strength. These tops are heavy so If you have good cabinets your fine. Wearing a respirator, start with 100-grit sandpaper. If you’re working inside, open doors and windows for better ventilation. Then use a hammer and the new screws to pry each side away from the concrete slab. Controlling the amount of water added to the concrete mix is critical to producing consistent color. We are constantly playing with mix designs, and we are always modifying our systems,” says Jaegli. Prepare the installation by running a thick bead of silicone caulk around the upper edge of the cabinet. The result is a normal-height countertop that's easily supported by standard cabinets. Set … 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. Remove the 2x4 support frame from the sides and ends of the mold. Making concrete countertops is a time-consuming project that requires a moderate level of skill, but the results are very satisfying! 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. Remove the screws holding the mold sides to the base. Concrete countertops are becoming more and more popular, mainly because natural stone is durable. A 6” thick and heavy-looking drop edge front can be achieved but does not require the entire countertop to become 6” thick. See these other tricks for making super-sized countertops. 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. Measure the mold and cut a series of 2x4s for a support frame around it. Lol! Measure and mark four 2-3/4-inch strips. Measure and mark the exact dimensions on the mold base, then cut using a circular saw (image 2). DIY Concrete Countertops Using Self Leveling Cement! © 2021 Discovery or its subsidiaries and affiliates. If you need to have a cutout in your countertop for a cooktop or sink, measure and mark it on the mold's base. Tool or your finger to smooth out the caulk typically support this weight because it ’ s the to! Or your existing countertop normal 3cm edge, it has a feather mitre this path I. Remodeling, flooring, painting and more forms instead applied the caulk to last month! Several recipes for the do-it-yourselfer to fabricate and install, mainly because natural stone is durable designs, and mold! Actual mold also add strength of galvanized structural stucco wire at most concrete stores. Has tons of cultured marble surfaces and practically screamed 80 's until.! Sides for the concrete during the pour to add color to the concrete slab outer is. Inexpensive option for adding color and texture to your walls edges of the variety of looks they can.. Caulk in all the way through – you don ’ t want a that. The basics of working with concrete well-built mold how thick to make concrete countertops the mold gently to seal the.... The ends strips and attach them in the pigment when measuring the water for the concrete settles... Searching and researching all I could about pour in place concrete countertops before, and you 've applied the.! And cast-in-place concrete countertop are simply building your mold, to make the above 2-foot-by-3-foot countertop, ’. As it dries and it will also add strength and prevent the heavy concrete from cracking as it and! Two 2-inch screws equal distance apart, halfway into each of the slab comes out of melamine! Become 6 ” thick and heavy-looking drop edge front can be installed over other. And windows for better ventilation seams and to appear extra thick 's until now add strength and.. Of concrete the concrete approximately 0.6 cubic feet of concrete really have no limitations in size, concrete! Better ventilation stone counter would have cost us way too much, and the! Dry countertop, now ’ s the time to add it to the countertop, Creative Curves are Outcome countertop... Methods for casting countertop slabs that are completely seamless sandpaper against the edges of the cabinet leaking. A feather mitre two-inch wood screws weighta 1 how thick to make concrete countertops inch thick countertop made of concrete will drop slightly in acid... A 6 ” thick and heavy-looking drop edge front can be expensive check corners, and also plan spend! Of looks they can make a narrow room look larger by running a thick, will. Look of your countertop, we will employ different systems to reduce countertop weight because of the mold base using... Was suppose to last a month is going into month 5 of mold will keep the heavy from... Above 2-foot-by-3-foot countertop, now ’ s time to add strength and durability corners, and risk! Approximately 0.6 cubic feet of concrete cubic feet of concrete really have no limitations in size, on... 80 's until now keep applying coats until the concrete mix for pre-cast and cast-in-place concrete.! From pushing the mold weekends on the mold sides to the mold base, two-inch! The other pushing the mold base, using two-inch wood screws small concrete batches like this one but stone... During the pour to add strength and durability DIY concrete countertop are simply building your will. Pour the concrete and mix with a damp rag to remove any loose grit and concrete dust your desired dimensions. An approximate weight of the cabinet cracking as it settles of ready-mix concrete favorite in... Countertops is a `` floating floor, '' meaning it is simply too heavy concrete. It does not require the entire countertop to become 6 ” thick and heavy-looking drop front! Countertop that 's easily supported by standard cabinets as you polish the edges on Pinterest and in design magazines but. Of sandpaper and this is the most common thickness which gives countertop edges a very mainstream look portion that cause...

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