By using this service, some information may be shared with YouTube. Thanks to all authors for creating a page that has been read 211,329 times. Disclosure: BobVila.com participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for publishers to earn fees by linking to Amazon.com and affiliated sites. "Bricks" for buildings and other construction can be made from clay, shale, soft slate (Soft Slate / Brick Cutting Blades), calcium silicate, concrete (Concrete Block/Brick Cutting Blades), or shaped from quarried stone (Rock/Stone Cutting Blades). We use cookies to make wikiHow great. If the brick doesn't come apart from a firm strike, score around the cutline once more with your chisel. But most likely, you're going to find yourself in situations where you need to cut them. Use a tape measure, small framing square, and pencil to mark the brick on all sides you plan to cut so that you can visualize the desired size and shape. Fire bricks and masonary bricks are manufactured with different ingredients. It’s larger, thicker and wider than regular brick, and you can find it at most brickyards. Amid the current public health and economic crises, when the world is shifting dramatically and we are all learning and adapting to changes in daily life, people need wikiHow more than ever. Be sure that the top and bottom lines and the pair of sides lines are parallel to each other—you need to accurately score along this line. Gerber specializes in providing brick and stone laying services, concrete installations, and masonry repairs. Use a diamond saw with either an 8-inch or 14-inch saw blade. However, this can create stains due to chemicals from the bricks leaching into the water. Begin by outlining the shape of the fire pit with blocks. Doing so can cause the brick to split and break unevenly. To avoid bricks that break unevenly, lightly chisel the brick on all 4 sides before you hit it hard on one side to break it. For tips on cutting brick with a cold chisel, read on! Gerber Ortiz-Vega is a Masonry Specialist and the Founder of GO Masonry LLC, a masonry company based in Northern Virginia. With the angle grinder firmly in your hand and its blade perpendicular to the brick, turn on the switch that activates the tool. With a high degree of durability and a wide price range, they can be adapted for use in many situations. Use a 1 inch (2.5 cm) wide cold chisel and hammer to remove jagged edges. If using a saw, mark along this point with a pen, remove the straight edge and cut along the marked line with a saw. The process requires only a few basic tools and materials, and can be accomplished just about anywhere. Luckily, whether you use a cold chisel to make rough cuts or a power saw for clean, precise cuts, cutting bricks isn't as tough as you might think. How to Replace Fire Bricks in a Wood Stove. Just be aware that you're more likely to create a messy or jagged break using this method. You can often find large quantities of this type of brick for low prices or even for free at demolition yards or advertised in local classifieds by people who are tearing down old buildings. While many cuts will be straight during a brick installation project, you may run across circumstances that require an L-Shaped or curved cut. Thankfully, a little know-how and an electric powered angle grinder with attached diamond cutting blade have simplified the job for today’s DIYers. The best way to do it is to first try it … An ideal workbench would include a set of sawhorses with a scrap of plywood or similar on top; this provides a stable surface when cutting the brick. Fire Bricks Fire bricks, including firebrick squares and brick splits are dense clay bricks that are specially made high temperatures. Dense firebricks can be cut only with diamond wheel attached to high speed handheld angle grinders, on an ordinary building brick saw or sliding drop saw for cutting bricks. To cut bricks, you need a power saw with a blade capable of cutting through them. You can break or cut a brick in half to make sure it is solid clay. Generally, you should be using around 18 blocks per course, but you can add more to widen the fire pit if you choose. Copyright © 2021 Acton Media Inc. All rights reserved. This not only facilitates accurate cuts but provides a little leeway until you gain the feel of the tool and cutting process. If … Please consider supporting our work with a contribution to wikiHow. By using our site, you agree to our. How to cut down vermiculite board into bricks: Lay out the vermiculite board on a flat surface Measure out the length you need to cut and place the straight edge at this point. Stop when only. They can also be used to line a fire pit in the backyard or anywhere else a brick is needed that can withstand high temperatures. US Distribution; Canadian Distribution; Products. What You Will Need: Portland cement (You can purchase a 94 lb. Fire brick mortar and/or fire bricks can become damaged after years of use which can cause a fire brick to fall out or crack. If you can't find a step, grab the brick with your hands and firmly hit the tip of the unwanted end onto a concrete floor. You agree that BobVila.com may process your data in the manner described by our Privacy Policy. Take your time when measuring and determining the shape of the cut and be as accurate as possible to reduce material waste and re-cuts. Since brick sizes vary depending on the type and style you are using—the average range is between 1-5/8-inch through 2-3/4-inch thick with some specialty bricks even thicker—the size of your angle grinder is important if you need to cut through the brick in one pass. Next, attach a diamond blade to the saw and set the blade to a depth of 1/2 inch. To cut brick with a circular power saw, start by drawing a cut line on the front and back of the brick with a pencil. By signing up you are agreeing to receive emails according to our privacy policy. Navanna Bricks - Wire Cut Bricks, Clay Bricks & Chamber Bricks Manufacturer from Madurai, Tamil Nadu, India We've been helping billions of people around the world continue to learn, adapt, grow, and thrive for over a decade. The Dos and Don'ts of Air-Drying Everything You Own, 5 Ways to Prevent Cracks in Concrete—and 1 Easy Fix. Cutting your own firebrick (or any other square brick or stone) is no big deal - all you need is a hammer and chisel. Your support helps wikiHow to create more in-depth illustrated articles and videos and to share our trusted brand of instructional content with millions of people all over the world. You should always cut on the waste side—the section of brick you do not want to use—of the pencil line. But with the arrival of COVID-19, the stakes are higher than ever. Another alternative is a. Use a block splitter. RUTLAND Fire Bricks are perfect for intermediate duty for building new fireplaces or to replace old or broken bricks in existing fixtures (wood or coal stoves, furnaces, and fireplace inserts). Lay out the fire pit at the location you selected. Fire bricks absorb heat, providing a buffer between the fire and the firebox, maintaining a high temperature and preventing damage to the wall behind a fireplace. Pro tip: Firebrick is a dense brick that’s kilned to withstand high temperatures. https://www.thisoldhouse.com/more/how-to-hand-cut-brick, https://www.bobvila.com/articles/how-to-cut-pavers/, https://www.thisoldhouse.com/how-to/circular-saw-101-how-to-adjust-blade-depth, Please consider supporting our work with a contribution to wikiHow. Now, move the base of the saw upward to reveal the blade. Manufacturing Process; Award Winning Paver Projects; Blog; Dealer Search . Cut the bricks using a circular saw with a concrete blade or a stone chisel and hammer. Hate Cooking and Cleaning? Robert Ferguson, Bob Vila. They are different from regular masonry bricks because of their ability to withstand temperatures up to 1,800 degrees Fahrenheit. Step 1. Place the brick on your workbench with the marked surface facing up. A Brick with Many Faces Fire brick is a generic term that encompasses any brick that can withstand repeated heating and cooling at various temperature ranges. Clay bricks have been used for construction for thousands of years -- and while some advances have been made, and mechanization has made the process easier and faster, the essential technique for making bricks from clay has remained unchanged. However, true bricks are ceramic, and therefore created by the action of heat and cooling. To remove fire bricks it is usually necessary to remove the baffle plate first which sometimes rests on top of the fire bricks as many stoves use this method to keep the fire bricks in position, making them much easier to remove. Those will allow you to split each brick in half with ease. The refractory clay bricks are suitable for either indoor or outdoor use, and are suited for both industrial and domestic applications. Decades ago, cutting brick would have required a mason’s hammer or cold chisel to score and snap each building block. They are made from clays which contain a high level of silica and alumina with traces of iron and manganese. Every day at wikiHow, we work hard to give you access to instructions and information that will help you live a better life, whether it's keeping you safer, healthier, or improving your well-being. This article was co-authored by Gerber Ortiz-Vega. Word of caution: Make sure the angle grinder is in the Off position before connecting to the power source so that it doesn’t inadvertently start work without an operator. For tips on cutting brick with a cold chisel, read on! Dig a 45 inch by 45 in. If you cannot cut all the way through the brick, you must score the material as deeply as possible on one side with the angle grinder, slide the brick to the edge of your work surface, and finish the cut by lightly tapping the top of the waste side of the brick with a hammer to snap it off. Cutting brick with a hammer alone is best for normal cutting work, such as making closure bricks to go around openings in a wall or finishing corners. So I used Vitcas pre-made cement which was like working with clay and allowed me to make coils of putty to place the bricks onto, I could then carefully tap these down to the correct level. Cutting dry bricks may be faster but will create lots of dust. Remove the blade from the brick every 30 seconds to maintain a cool blade temperature. Last Updated: February 3, 2021 Prepare the Area. Fire bricks line the floor and walls of your wood stove to protect the steel from excessive heat. These bricks heat and cool much the same way fire bricks do. Cutting completely through the brick material with one pass will depend on two things: the thickness of the brick material and the size of the angle grinder and diamond blade you are using. A DIY backyard upgrade that will pay dividends in both personal entertainment and property value. For example, an angle grinder designed to use a 4-1/2-inch diameter blade can cut approximately 2-1/4 inches deep—the distance from the center of the blade in each direction—at best, while a 9-inch grinder can cut to depths of approximately 4-1/2 inches. Also, when purchasing wall block, remember that some have an interlocking lip on the bottom for use in retaining walls, not stacked block projects. 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