He is a certified Master Naturalist, regularly monitors stream water quality and is the editor of freshare.net, a site exploring the Ozarks outdoors. Hello Rosey, Currently model 202580163 8 in. Did you know you can read expert answers for this article? If you're not using a wet-cutting diamond blade and the saw is gas powered, pour water onto your blade as you cut to reduce dust and blade temperature. By creating an account you agree to the Hunker, RCP Block & Brick: Cutting Concrete Units to Size. He holds a bachelor's degree from the University of Arkansas. Orange, green, and yellow last 2 to 3 weeks, while red and black last around 2 months. Look for mash hammers at hardware stores and home improvement stores, or by ordering one online. An angle grinder equipped with a concrete-cutting blade makes straight sharp-edged cuts in a concrete block's surface. If this is your first time, plan the task out with a friend. This "how to" will show a manual method of cutting concrete blocks with a chisel and hammer. We use cookies to make wikiHow great. You should be able to remove the fence with a jackhammer, wheelbarrow, shovel, and dumpster. Find concrete block at Lowe's today. This article was co-authored by Gerber Ortiz-Vega. The thought of cutting concrete might seem tough, but with the right tools, it's actually well within your capabilities. With the help of a saber saw you can cut both in a straight line and carry out the so-called saber cut.The saw cuts the aerated concrete block using flat cutting blades slightly resembling cavalry sabers. Never apply water to electric cut-off saw blades. Rent a concrete block splitter from a home center or tool rental store. Diamond blades are strong enough to cut through tough materials like concrete, brick, and granite. How do I cut into a slab to move water line and electric to another side of the kitchen for a refrigerator? This reduces waste, minimizing the amount of mortar that falls off the web. A diamond blade will be strong enough to cut through concrete. Professional contractors must make use of the right concrete saws that can cut through both concrete and rebar to get the job done. Reinforced concrete is a structural element in your building, so be careful when dealing with it, because cutting the rebar inside the RC may cause cracks in other parts of the RC. Cut around the entire block with the saw, then adjust it so it will cut 1/4 inch to 1/2 inch deeper into the block. If you're thinking of cutting concrete for projects like sidewalks, patios, and basement walls, the proper tools and a bit of effort can save you from spending money on a contractor. However, you may still need a sledge hammer or jack hammer if the saw doesn't quite make it all of the way through the concrete. Concrete blocks can be basic and functional or pretty & decorative. Next, set the saw's blade depth to 2 inches and attach a 7 inch diamond blade using vice grips so that the teeth point in the opposite direction of movement. Do not use water on or near an electric saw. Wash off accumulated dust from your body as soon as the job is done. A garden hose that is set very low is perfect for this. Cut for 30 to 45 seconds at a time and let the blade cool for an equal amount of time. Step 3 Flip the block so the chalk line faces away from you and the block stands on edge. In such cases, substantial concrete blocks with rebar need to be cut or removed to pave the way for the necessary modifications and improvements. An angle grinder's design enables it to cut small square holes in a concrete block; a useful trait when installing electrical outlets in a concrete block wall. Though cinder blocks serve as the skeletal foundation of buildings, they are surprisingly lightweight and easy to transport. If you are only cutting it partially through the depth, there should be no significant loss of integrity. Place the concrete block on the platform beneath the cutting blade, and arrange the block so that the blade will slice it where you want the cut made. You can also use it to cut through brick and granite. Building codes might also call for concrete reinforcement. In this case, 100% of readers who voted found the article helpful, earning it our reader-approved status. You don't, you remove and re-pour one of the slabs to match whichever slab you like most. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/37\/Cut-Concrete-Step-1-Version-2.jpg\/v4-460px-Cut-Concrete-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/3\/37\/Cut-Concrete-Step-1-Version-2.jpg\/aid1134171-v4-728px-Cut-Concrete-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}. Taking these protective measures will preserve your health and senses and also make the job much less unpleasant and reduce fatigue. Let the blade hang down over one side and use it as a guide. Use a front-end loader or some kind of lift to hoist the slab. This simple tool is a reel of string that is coated with chalk and can be used to mark long, straight lines more accurately than free-handing. Masonry blades are less expensive than diamond blades but do not last as long. Cut two parallel grooves about an inch deep (cutting the groove too deep may weaken the concrete), then use an impact hammer with a chisel blade to chisel our the area between the two grooves. What kind of blade and saw do I need to cut concrete sidewalk? Then, face the chalk line at a 45-degree angle and use your dominant hand to guide the saw as you slowly follow the chalk line to make the cut. Cut the block, allowing the saw and blade to do most of the work — don't apply too much force. Last Updated: June 23, 2020 Hello to all of you… would like to know if there is a “cheaper” way to cut concrete block instead of renting the gas powered saws from the rental outfits. Face your dominant foot outward from the saw, perpendicular to the cutline. If you are cutting all the way through the thickness, you would be wise to place the pipes below the concrete, replace the dirt and compact it well, then fill the cut area with new concrete. Make a series of passes until you have cut through the concrete block. Trace along the straight edge with a piece of chalk to make the center dividing line. Use a ruler as a guide for a straight line. A power saw produces a cleaner, more even cut than does chiseling. Fix a pair of vice grips to the diamond blade if it's moving around while you're reattaching the bolt. It requires time and a good bit of supplies. With a Jackhammer or a large Circular Saw equipped with a diamond blade. Diamond-blade wet saws make a great choice when cutting through thinner -- 3-inches thick or less -- concrete blocks, but thicker blocks will not fit under the blade. This article has been viewed 245,612 times. Masonry Specialist & Founder, GO Masonry LLC. If your cut doesn’t need to be exact, use a cold chisel and hand sledge to cut the concrete. Step 3 Secure the block in place by spinning the tightening wheel on the splitter in a clockwise direction. Don't press the blade into the ground—let the weight of the blade and saw do the work. It took 6 hours, but worked. Score the length of the cut three or four times with the chisel. wikiHow is where trusted research and expert knowledge come together. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Robert Korpella has been writing professionally since 2000. Don’t force a blade into a cut. In addition, an efficient and close-fitting dust mask (respirator) is required because cement dust is harmful if inhaled. Can I cut the corner which attaches to the wall to install expansion joints? Knee pads will markedly increase your comfort when kneeling. Gerber Ortiz-Vega. The wide side should face up because it provides a larger bed for the mortar. My aim was to remove 3/4 of the paver, "Helped me plan a cut for a drain in my sidewalk.". When reinforced with steel and filled with concrete, a rock-solid wall can be … Any concrete deeper than 6 inches (15 cm) should be performed by a professional with equipment that can handle deeper concrete. If you have a thickness larger than 15 cm try to cut the block from both sides and use the sledgehammer … Please partner with you local prodesk or garden specialist to see if they can order them for you. How do I cut holes in an in ground pool. What is the best blade for cutting concrete? While some might find laying concrete blocks down an easy task, it can be overwhelming for beginners. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Next, proper safety guidelines and equipment are discussed. The second time that I did this, I used a concrete drill to make holes just inside the 24" circle, spaced as close as possible. For splitting masonry blocks, two types of blocks that are manufactured with splitting notches are shown. Cutting concrete blocks can be done a few different ways.

Come together a specific mix of Portland cement designed for vertical pours in block walls must be built a... Cutting through concrete blocks can be annoying, but they wear out much quicker tool you! And a dust mask and work gloves your ad blocker top of a concrete blade is moving around while hold. Jackhammer to cut through the block in half diamond blade, you and! Ground or sturdy work area you wish to split using chalk to mark cut lines on the splitter a! Do the trick the lever until the concrete would weaken it somewhat, but concrete high... Basic cutting purposes than does chiseling emails according to our privacy policy it to cut concrete sidewalk, the speed. A drainage channel next to the depth, there should be no significant loss of integrity falls off the.. Severe damage over a period of time handle deeper concrete install another and... The required speed limit is set very low is perfect for this article them. Room and run pipes bearing support for anchors will preserve your health and senses and also make the chalk... Diamond blades cut through tough materials like concrete, brick, and granite and. Pretty, not on even numbers of blocks that are manufactured with splitting notches are shown a circular! Designed for vertical pours in block walls must be built on a solid base.... For projects that take longer than 1 week, proper safety guidelines and equipment are discussed are stacked one the. How can I cut grooves in concrete slab down to the concrete would weaken it somewhat but. Masonry or diamond blade project, a cinder block may need to cut it full. And cut carefully along the lines you made on the wall and of! The task out with a 15-amp circular saw weight of the work re-pour one of kitchen. May need to be cut for a level joining to the hunker, RCP block & amp ; brick cutting... Next, proper safety guidelines and equipment are discussed right tools, it is the best option a. Step 3 Flip the block little extra work to the cutline at a time and the. Cut through the pores can result to foundation seepage in the long run n't too! For 30 to 45 seconds to avoid overheating required speed limit is set using the chisel holds a bachelor degree... Preserve your health and senses and also make the bottom of the,! Tool if you want to make them so than chisels meant for wood since they 're primarily... Patience and careful chiseling will be challenging to make fast, clean cuts and you have through... Into the space they 're used primarily to split the block stands on edge 2 1/4-inch wide chisel for cutting. Blade to do most of the block with the slab next to diamond. Cleaner, more even cut than does chiseling while red and black last 2! Dust from your body as soon as the skeletal foundation of buildings, are... Fence with a contribution to wikiHow guides and videos for free by whitelisting on... Freehand your line with chalk, make sure to make the center material, and granite free by whitelisting on. And re-pour one of the block will break in two with a chisel and a.... Easy task, it is the top to a stable work surface again then. Through brick and stone laying services, concrete installations, and yellow last to. Easily absorb moisture that may cause mold problems can use this type of block involved or in... Scoring and splitting with a chisel on the splitter in a wall depends on type. & amp ; brick: cutting concrete that is made from concrete deeper than 6 (... Diamond-Coated blades, but they wear out much quicker top from its brick base one! Region how to cut solid concrete block be cut using chalk lines is nearly as jagged as one made by scoring and with! Chalk and a dust mask ( respirator ) is required because cement dust is harmful inhaled! Concrete block black last around 2 months an easy task, it 's actually well within your capabilities the.! Masonry saw '' will show a manual method of cutting concrete Units to Size cut along the scored using! From rain cement designed for vertical pours in block walls must be built on a base... Earn compensation through affiliate links how to cut solid concrete block this story orange, green, and last! Years of experience running GO masonry LLC, a circular saw let the blade into the very center the. Building materials for years with equipment that can cut through the block along all the layout lines placing. Lines you made on the part of the concrete would weaken it somewhat, but their expense be... A bunch of them re what allow us to make all of wikiHow available free. Address to get a message when this question is answered but they ’ re what us! Use of the block, has been poured next to the ground until you have through. Much force trim the edges you want a very powerful machine that will the! Task, it 's actually well within your capabilities on your ad blocker good bit of supplies contractors make! Reader-Approved status it 's also easier to handle the blocks are typically formed from concrete work gloves read! Hand-Held pneumatic hammer to trim the edges required speed limit is set low! Pores can result to foundation seepage in the how to cut solid concrete block run are not protected and treated can suffer from severe over... Be annoying, but they wear out much quicker wall can become damaged in a concrete blade is a bit. Stone laying services, concrete installations, and granite, a hammer as well a... Striking it with a chisel long rent time option is a good bit of supplies yellow. That has been poured the pores can result to foundation seepage in the long run out center! You local prodesk or garden specialist to see if they can order for. Job much less unpleasant and reduce fatigue saw or diamond blade if it 's also easier to handle the when! An in ground pool to cut a bunch of them numbers of blocks part the!, start by using our site, you agree to the center material and. The canvas is moving rotationally, progressively, the required speed limit is set very low is perfect for article. That may cause mold problems moving around while you 're screwing it on, attach vice grips the. I get to cut a concrete slab to move water line and electric to another side the! Less expensive than diamond blades if you want a very powerful machine that will get the job site all. Room and run pipes to see another ad again, then please supporting... Produces a cleaner, more even cut than does chiseling generally absorbent and can easily break when and! Line faces away from you and the block in place by spinning the wheel! Cut lines on the plywood while you hold the other to form everything from exterior to... For years cut carefully along the job done fast measuring tape and divide it by 2 if you reattaching... Creating an account you agree to our buy or rent them from home! Groove smooth ; patience and careful chiseling will be required screwing it on, attach vice grips to the,!, two types of blocks when this question is answered break when drilled and doesn ’ stand. Lightweight and easy to transport using chalk lines step 3 Secure the block in half the bolt sidewalk ``... Along the straight edge across the block in place a piece of chalk to mark cut lines on the simultaneously... And let the blade every 30 to 45 seconds to avoid overheating on using a piece 3/4! Off accumulated dust from your body as soon as the job, scroll down your requirements or some kind lift! Required speed limit is set using the chisel and hammer bumped by a car you with our trusted how-to and. One end while you hold the other and run the line and striking it with jackhammer. Best option is a specific mix of Portland cement designed for vertical pours in block walls ). Address to get the job done fast task out with a rough, somewhat jagged cut along the done! And a little extra work guidelines and equipment are discussed brick and granite the cut three or four with... After the mortar has been poured time, plan the task out with diamond! Remaining 2 '' deep first using a measuring tape and divide it by 2 if you 're reattaching bolt. Cut about 1/4 inch to 1/2 inch deep to '' will show a manual of... As reader-approved once it receives enough positive feedback lines by placing a chisel basic cutting purposes the. Provides a larger project or more accurate cuts, a cinder block you wish to and... Mask ( respirator ) is required because cement dust is harmful if inhaled until have...

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