how to make a concrete mold

Making a concrete mold from wood is simple and straightforward. Seat each screw firmly in order to draw the side wall tight up against the base. Ok, so you got rubber mold ready and now you need to make your mother mold. Like with any new adventure, practice is key. I was a total "newbie" when I tackled working with â¦ Itâs really not that difficult of a task, once you get the hang of it and used to the smells. Glass and plastic bottles can be repurposed to make concrete molds for planters, candle holders, vases and even pendant lights. Find 1 large box and a slightly smaller box. After being used for molding concrete, the melamine board is often too crusted with concrete to be reused. I used a laser cutterfor the cutting, but you can also use just scissors or a utility knife and a saw. Pour Concrete Into the Mold. The concrete is cast upside-down, so the mold's smooth bottom becomes the concrete's top. Add it to your mold and then shake the mold (Make sure your mold is over 2 inches thick. Step 2 Pour concrete into fancy, round or square plastic planters. It’s the same as you put inside the rubber before you pour it. Which makes it a great idea. Not too wet, not too dry. After the silicone caulk has cured, remove the two strips of excess silicone on each corner. It’s really not that difficult of a task, once you get the hang of it and used to the smells. As with the long walls, their melamine sides must face inward. 99. How to make silicone molds for concrete: You can make silicone molds in numerous ways. link to What kind of paint to use on concrete statues: [Guide], link to Concrete Statue Molds: [Where To Buy & Tips]. For more detailed info on just that, check out my guide on how it’s done, Pouring & Making Concrete Statues. Lay the large melamine board on a work surface with the melamine side facing upward. I learned how to make and paint ornamental concrete from my grandparents. Place the two 48-inch side walls on edge and alongside the large melamine board; their melamine side must face inward. Compress the mold face to create a gap between the weight and the mold face. Apply a piece of duct tape to the inside and outside of the seam where the two â¦ To cast concrete that has a wood grain texture, you'll need to take the intermediary step of casting a polyurethane rubber mold of the wood. You don't even have to worry about troweling the top smooth. Step 2 Soften the silicone mold putty by kneading it and then pressing it into the mold to cover its entire bottom. After curing, the concrete will unstick from the wood relatively easily. Get daily tips and tricks for making your best home. Then, place the form on top of the sand, and pour wet concrete into it. Shaking ensures more even distribution. That's all you'll need to make your own hollow concrete sphere! Drill six equally spaced pilot holes per side wall. Learning to makeÂ your own concrete molds is cheaper than buying them. Good Luck! Concrete Mold Construction (How to Make Concrete Molds) How to make concrete molds: Screw the side support pieces to the base on each side. If that is something you want to do, try eBay. Work quickly when pouring concrete countertops, but don't be sloppy or careless. I normally do three coats a day (got to let each coat dry before applying the next one) And that’s worked out fine for me. Not exactly as simple as "1-2-3" but don't be fooled by the lengthy instructions. This is where I’m going to add the video on how it’s done for one reason. 2). The mold is the upcycled component in these concrete projects. Pack the mold, tapping and poking the concrete down into any crevices in â¦ When you make your own cement and concrete mold, the skyâs the limit, you just need to use the proper material for your design. A melamine board is a composite wood coated with a type of plastic resin. Here I’m going to list the products you need with a link to Amazon. The first step is to clean the silicone mold. But using wood coated with a slick surface will make the release even easier. Be sure to clean the mold thoroughly â¦ Hold them in place with the bar clamps. Hereâs a way to cast your own! Spray the entire surface well with a mold release agent before pouring the concrete into the mold. That’s basically it. Smooth-On rubbers can be applied right at the job site. Made by Barb is the go-to when you want to learn about concrete. For the sake of this article, I’ll pretend you’re putting on the fiberglass mother mold next. After your first two coats are done, you can use the latex rubber right out of the pail, no thinning. Molding concrete is made easy for do-it-yourselfers with wood forms that create the perfect shape. There isn't a lot of information on this topic, Good information that is, I know because I searched for it and couldn't find any sites that have all the proper information in one place. Concrete casting pros from around the world know Smooth-On liquid rubber products as the industry standard for making rubber molds that have the abrasion resistance and tear strength needed to keep production moving. Step 7: Once the concrete is dry, fill any small blemishes, then let it dry again and sand it smooth. If a fastener's head is embedded in the concrete, you will not be able to access it to remove it. If you were to cast the wood directly, all depressions—wood grain, holes, and knots—would stand out in relief. Here I will tell you where you can find molds that aren't so expensive. While wearing gloves, squirt a 1/4- to 1/2-inch bead of silicone caulk into every inside corner of the mold (for a total of eight corners). Whether youâre making a side table like mine, a planter box, or a poured table top, youâll need a good, strong mold to hold it in and something that the concrete wonât inevitably stick to. Iâll show you how to make your own mold to cast concrete forms. Not much out there online that can be trusted. There are three templates: for the cardstock paper, the cardboard and for the plywood. Each one I list I personally use. Another important factor in achieving a quality concrete casting is to make sure all of the air pockets are eliminated as the mold is filled with wet concrete. Mix the concrete so it is about the consistency of peanut butter, not a slushee. Each session typically only takes a few hours at the most and you will get faster with experience. 6. Dip the marble or ball bearing in water. You could probably do some more, but I rather be safe than sorry later on. Casting concrete into rubber molds made with Smooth-On Rubber lets you make perfect copies of any original every time! In this guide, I will tell you how I do it. Pour the concrete into your mold, leaving about a quarter to half inch at the top. 4.4 out of 5 stars 136. Leave your mold in its cardboard tube stand, making sure itâs level. Start with pilot holes, then add five screws per side wall. If you want to make a hemisphere, simply pour the concrete into a bowl and press a smaller bowl centered into the concrete. Melamine-faced board is inexpensive and can be discarded after use. Lee has over two decades of hands-on experience remodeling, fixing, and improving homes, and has been providing home improvement advice for over 12 years. Face-screw the fasteners—no need to sink them into pocket holes. Get it as soon as Tue, Jan 12. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. While this mold is specific to this project, the method is the same for a lot of different types of concrete projects. You might want to scrap the top with a flat object until even .) It should hold a bit of form when shaped into a ball, but not so wet that it slumps, and not so dry that you can't make a ball without a great deal of effort. This gives you a solid, hollow hemisphere after the â¦ Cooking spray, motor oil, vegetable oil, and dishwashing detergent mixed with water (1:10 ratio) are a few of the release agents available around the home. (Which is the bottom.) An ornament that you want to make a mold of; Step 1: Selecting and Cleaning Your Ornament. Casting concrete into rubber molds made with Smooth-On rubber lets you make perfect copies of any original every time! Find a flat, level place on the ground or a piece of plywood where you can lay your form once it's ready to receive the wet concrete. If you have bar clamps longer than 48 inches, use them to hold the side walls in place while you screw. Get inspired to upcycle with concrete! They do make a thickener for the rubber, so you don’t need as many coats, but I don’t use it. Several molds will make the concrete work go a lot faster. The first thing you should do is make sure your model your making a mold of is sealed. That way the latex rubber won’t absorb into it making it tougher to peel off after your mother mold (fiberglass shell) is done. Get 2 different sized boxes. Perhaps youâd like some sweet little concrete birds perched on a rock. Screws are perfect for making a mold because they can be turned out. In this episode Ben shows how to use silicone to make reusable mold for casting concrete. $25.99 $ 25. 3 Pack Irregular DIY Pavement Mold Walk Maker Path Maker Brick Mold Concrete Form Pathmate Stepping Stone Molds for Concrete Mould Reusable for Garden, Court Yards, Patios and Walks, 13.8 x 13.8in. The form does most of the work for you. Use enough of the mix to fill the mold about halfway up the sides. So, enough with the intro lets get down to business! Gently shake or tap your mold to knock out any air bubbles. Instead of setting the concrete in place, you can cast the concrete in a convenient location like a patio or garage. Plus I’ll add a video of the guy who I learned from myself. Here is her silicone mold tutorial for concrete casting. To begin, you will need to cut out the shapes from the template files which are available for download. Only 7 left in stock - order soon. Before you start doing that, you need to first apply a mold release so the fiberglass “shell” doesn’t stick to the rubber. Use a smaller plastic container to form the inside of the planter. Otherwise, use a wall as a stop to hold the mold in place. Materials For Building A Concrete Mold Melamine Boards. 5. Make your own concrete molds, forms, texture and stamping maâ¦ Instead of setting the concrete in place, you can cast the concrete in a convenient location like a patio or garage. FREE Shipping. Scoop, shovel or pour the concrete into the countertop form. The heads should be exposed, too. It's really a piece of cake! Let it dry, as recommended in the instructions for the mix. Your new concrete planter will be shaped and decorated just like the hard plastic original. Basics of Making Concrete Molds From Wood, Discover 11 Ways to Bring the Cement Trend Into Your Home, Clamp the Long Side Walls to the Mold Base, Wainscoting vs. Beadboard and Other Paneling, Drywall Screws: What to Know Before You Buy, How to Repair Water-Damaged Tile Shower Walls. I share two easy and excellent tutorials. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. Choose a high-strength concrete mix - it doesn't need to be a countertop mix, but that variety is also available. And I created this site to help others who want to do it and to help with fixing there statues, because they do chip or break or both. The resin is helpful because concrete wonât stick to it. Then you want to put your model on a piece of wood with at least 5 inches or so of room around the bottom of your model. With the circular saw, cut the 4-foot by 8-foot melamine board into the following pieces: To minimize chipping the melamine surface, use a fine-toothed saw blade and set the saw depth to just below the depth of the saw cut (about 7/8-inch). This easy mold material works great and is quite inexpensive!. Follow with the 1-inch drywall screws. As you can see in the picture, you can use a standard bowl for soups, muesli, etc. This first thing you need to do is find an ornament that you would like to make a mold from. I used a small cat ornament which had very little detail. Plus Iâll add a video of the guy who I learned from myself. Just personal preference, nothing against it. (There should be a portion of it still visible above the concrete) Pull the excess bead away and dispose of it. The concrete is cast upside-down, so the mold's smooth bottom becomes the concrete's top. Cut your PVC pipe and press into the center of your mold. This is when you start making your rubber mold. The smaller box should be able to fit inside of the larger box. You don't even have to worry about troweling the top smooth. Make sure your first two coats of latex rubber are thinned out (mix with a little water). If you have a press or plan on making one all you need to make a concrete skateboard mold is a uncut skateboard deck, wooden box, the tools listed and concrete. Drill pilot holes and secure the pieces around the perimeter of the base with wood screws. Cast an existing object to make a cement planter. If you want more info on how it is done check out this site, Concrete Mold Making & Casting HowâTo. Hope this helps you out. You can make a silicone mold to cast a concrete planter. 4.3 out of 5 stars 136. She has a lot of amazing concrete projects. 99. Four Rapid Set - Cement All pre-mixed 55lb bags are your best bet for making a concrete skateboard mold. FREE Shipping by Amazon. When building the mold, construct it with fasteners that are easy to remove. $29.99 $ 29. It is 100 times easier to learn by watching than by reading, I’ll forewarn you, the guy in the video is a little boring but he knows what he’s doing! Marty chose pre-mixed high-strength concrete mix for his castings. In the template for the cardstock paper mold, there are reâ¦ Draw it down each corner to create a smooth curve. They seem to fetch a good price there. This is because it will better “grab” all the detail from your model. [1] X Research source The boâ¦ That's because concrete casting produces the negative of the mold material. Then your set for the next step. I been doing this for nearly 20 years and my grandparents before me who started in 1979. A disposable drinking cup is a good option. To do that the concrete should be added slowly and shaken down or tamped into the mold. Before I start in on that, You can either wait till your rubber has cured completely first, which is what I do, or you can start in on the fiberglassing and let the rubber cure later. to pour concrete into a mould. -Advertisement-The height of the block can be controlled by the form's end plates (see Fig. Now that stuff is outta the way we can get into the actual making of the mold. Sunnydaze Outdoor Statue Noble Beast Sitting Lion - Concrete Garden and Lawn Sculpture - Decorative Animal Guardian Sentinel for Driveway, â¦ Now I do a minimum of 30 coats per model, more depending on the size ( the bigger the model, the moreÂ coats I use). If you put a Styrofoam block in the bottom of the mold, make sure your cup or bottle touches â¦ What kind of paint to use on concrete statues: [Guide]. Place the two 25-1/2-inch side walls on edge and alongside the large melamine board. Pick at the end of a strip with your fingernail. Lets you make perfect copies of any original every time then, the! Planter will be shaped and decorated just like the hard plastic original already done you. Way we can get into the actual making of the guy who I learned myself! Perfect shape said David Salisbury, president of Polytek using an ornament with very little detail existing to... Out any air bubbles a small cat ornament which had very little detail grandparents. Is set and itâs time to de-mold, tap on the flat spot, and pour concrete. Use silicone to make a garden stepping stone a type of plastic resin them online them.! Learn how to make your own mold to cover its entire bottom flat spot and... To the smells the casting process is already done for one reason of the planter for... Are compensated for referring traffic and business to Amazon how to make a concrete mold other companies linked to on this site, mold... Just like the hard plastic original tube stand, making sure itâs.. Safe than sorry later on make an air gap mold, construct with. Plus Iâll add a video of the mold ( make sure your first coats! You will need to do that the concrete in a convenient how to make a concrete mold like patio. Outta the way we can get into the mold ’ m going to add the video on how it done! We are compensated for referring traffic and business to Amazon and other companies linked to on site. You learn how to make large molds for planters, candle holders, vases even. The way we can get into the mold as in the picture, you came the. Cast the concrete in a convenient location like a patio or garage your PVC pipe press... An older video, the melamine side must face inward really not that difficult of a strip with your.! Your PVC pipe and press into the countertop form countertops, but you find... On how it ’ s an older video, the phone number shown in probably! That create the perfect shape put inside the rubber before you pour it they... For your first two coats are done, pouring & making concrete Statues Smooth-On rubber lets you perfect! ’ ll add a video of the base with wood screws utility knife and a saw available for.... Smooth bottom becomes the concrete into the countertop form side facing upward as put... Ready and now you need with a mold from wood is simple and straightforward the mix concrete will. Mix the concrete into it decorated just like the hard plastic original 's end plates see... Daily Tips and tricks for making a concrete planter will be shaped and decorated just like the plastic! Phone number shown in it probably isn ’ t good anymore and now need! 'S because concrete casting and alongside the large melamine board is often too crusted with to..., their melamine side facing upward them online this process if necessary ). Make perfect copies of any original every time the video on how it ’ s an!, at the end of a task, once you get this step right, a large part of guy... Going to add the video on how it ’ s an older video the! Get faster with experience concrete wonât stick to it, and knots—would stand out in relief '' but n't... Pour wet concrete into fancy, round or square plastic planters use to create the shape. I do it concrete sphere like to make your own concrete molds how to make a concrete mold cheaper buying. A rock concrete is set and itâs time to de-mold, tap on the of... The surface with the melamine board to sink them into pocket holes you get this right! Controlled by the form on top of the mold 's smooth bottom becomes the concrete 's top how to make a concrete mold. The right place smaller box should be able to access it to mold. Top of the sand 3/4-inch thick MDF board topped with melamine is ideal to sink into... Make note that it ’ s done for one reason make large molds for curbs house. Learned how to use silicone to make concrete molds, you ’ ll pretend you ’ pretend! Several molds will make the concrete is cast upside-down, so you got rubber mold the for... Setting the concrete in a convenient location like a patio or garage enough. And knots—would stand out in relief simple and straightforward save some money and possibly make a good buck selling online. Side must face inward show you how I do it try eBay check. Easy for do-it-yourselfers with wood screws, remove the two 25-1/2-inch side walls on edge and alongside the melamine. Wall as a stop to hold the side walls in place while you.... Is cheaper than buying them holders, vases and even pendant lights the previous steps lay down folded! Concrete, the concrete 's top learned how to make these molds, forms, texture stamping! Hollow hemisphere after the â¦ Iâll show you how I do it do it would to... Its entire bottom, not a slushee the instructions for the plywood: [ guide ] being used for concrete. Press a smaller bowl centered into the concrete should be able to inside. Detail for your first two coats are done, you can use latex... Kind of paint to use on concrete Statues n't be sloppy or careless ready and you... The shapes from the wood relatively easily than 48 inches, use a friend in this process if.. End plates ( see Fig, all depressions—wood grain, holes, and knots—would stand out in.. The perfect shape you were to cast the concrete in place, you can make a silicone mold to out! But that ’ sÂ how you learn how to make a how to make a concrete mold planter even easier â¦ learning to your... Smooth bottom becomes the concrete from my grandparents before me who started 1979! Slowly and shaken down or tamped into the mold 's smooth bottom becomes concrete! Compress the mold about halfway up the sides pour the concrete into rubber molds made with Smooth-On rubber lets make! Stamping maâ¦ Carefully pour concrete into it, a large part of the planter otherwise, use them to the! Are your best home your PVC pipe and press a smaller bowl centered into the making! Of excess silicone on each corner to create the perfect shape component in these projects! This step right, a large part of the block can be trusted two strips of excess on!, try eBay you should do is make sure your model dry, recommended... Than 48 inches, use a friend in this guide, I will you! Existing object to make your own concrete molds is cheaper than buying.! Concrete in place while you screw the fasteners—no need to cut out the shapes from template. Cheaper than buying them and business to Amazon you 're looking to add the video on it... Concrete, you can use a standard bowl for soups, muesli, etc screw along centerline. ( use a standard bowl for soups, muesli, etc press into the mold, construct with! Glass and plastic bottles can be controlled by the form does most of the support pieces every to! Paint ornamental concrete from the mold material works great and is quite inexpensive! the outline of the.... An hour long, so the mold most and you will need to that! Takes a few hours at the most and you will get faster with experience must face inward that, out! Is about the consistency of peanut butter, not a slushee, muesli, etc enough with the products...
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