how to cut a hole in firebrick

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I started by drilling a hole using a small drill bit from underneath. Use water if you can as one stated it helps keep the blade cool and dust down. Most importantly wear some sort of respirator that dust is not good for the lungs. Install the side fire brick panel. These hole cutters are generally capable of cutting holes between 30mm and 125mm in diameter, but usually have a maximum depth of cut of about 10mm. If you mark the inside of the hole, you will need to widen it in the following step. Put your foot on the sandwich and chisel off the part of the brick on the outside with your brick set. (Since 2002). Get a hammer drill and few smaller bits. Thanks for the help. In this example, the desired depth of the hole was achieved first, and then it … If I do this process again, I am buying a plasma cutter first. Mark the workpiece. I hate to drag out the wet saw if I don't have to. The part to be broken off is on the outside. Set the brick on flat sand. I use a brick set to cut firebrick. Afterward, flip it over and do the same to the bottom side. If you're planning on using hard fire brick you'll need to buy a masonry hole saw. This method is dust and water free. The pumice-type firebrick is not something you will find at Lowe's or even a masonry supply store, but only from an outfit that specializes in refractory and insulation for kilns, boilers and such. You could use power tools, I suppose, but if you’re only cutting a few bricks for one project, it’s faster and cheaper to use hand tools. Take off the C-clamps to remove your cut and intact section of firebrick. The base is done and I'm setting out the fire bricks in a herringbone pattern. Give it a solid blow with your hammer; the brick should split along the score. 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. Intentionally cutting a hole in my roof – yikes. It absorbs water within seconds. The part of the firebrick you want to save must be the part between the 2X4 pieces. Here are three Granite Guys in Russelville. I take great pleasure from learning that I can do easily something I thought was really tough or complicated, and many … That is the brick it was designed and tested with. Step 1 Remove the grout from between the bricks on the fireplace surround. Firebrick Sizes Firebrick will wear on the edges if not cared for before installation. Now stone counter tops are all the rage I'm sure they would have something that would work. I'll look into other sources and see how they compare -- shipping, etc. If you need a nice clean hole, then you have to get a core drill bit of the appropriate size. An average fire brick is typically 4.5 inches x 9 inches x 1.5 inches. Not money, but certainly time. One option you have when remodeling a fireplace is to cut and remove the brick fireplace surround and then reface the wall. For a better experience, please enable JavaScript in your browser before proceeding. If the chimney base sat on the flatter part of … and cut with a cheap diamond blade. Using the pumice rather than the clay bricks on the oven floor is likely to affect the required R value of the floor under the stove./QUOTE]. Previous Step Next Step. Paid Subscribers don't see ads! October 17, 2008: The picture above is of the burner holder set in position before being welded. Oh you're probably talking about a diamond blade in a circular saw or compact table saw, maybe? included. Thanks for this. Rather than explosive charges, the force of the hammer and chisel blows break the brick along the line of drilled holes First, draw a line across the surface of the brick where you want to cut the brick. No need for a wet saw just cut outside with a respirator. I think there are other vendors for the pumice brick but it doesn't come to mind right now. For a better experience, please enable JavaScript in your browser before proceeding. The part to be broken off is on the outside. I wanted to strattle one of the ribs. You'll be though the brick fairly quickly and wont burn up … Cut the brick with a masonry chisel if precision is important. The Hearth Room - Wood Stoves and Fireplaces, http://www.hearth.com/talk/threads/jags-splitter-build-pic-heavy.83540/, http://www.amazon.com/QuadraFire-Pumice-Bricks-832-3040-Uncut/dp/B00AWS3HQO, http://www.stoveworld.com/Pumice-Firebrick-Splits-6-Pack-p/2rpala999.htm. Rough-out the hole… Cutting your own firebrick (or any other square brick or stone) is no big deal - all you need is a hammer and chisel. I have a "Chunk "of hard firebrick material, specifically it is a flame holder for an industrial furnace. Triangular Hole Cutters. Cutting the hole in my roof was an unpleasant thought. Fire Brick Saws have a specail treatment applied to the teeth that allows the saw blade to stay sharp even after making many cuts in the fire brick. Be sure that both lines are parallel to each other. The piece should be slightly smaller than the hole (by about 1/16" to 1/8"). The problem I'm having is cutting the firebricks,I got a new segmented diamond blade for the 9" grinder but it's not liking cutting the bricks. (This will not damage your wood saw) Replace your new fire brick! JavaScript is disabled. I'm building a forge, and the firebrick floor is only going to be 3" wide, I have 4 1/2" firebricks. Then make light cuts 3/16 at a time flip the brick and cut from both sides. They can drill up to 75mm diameter holes, operate off very … With a hammer, you are able to take it in one hand while holding the fire brick with the other hand. You can cut them no problem with a diamond blade in a grinder/chop saw/ or quick cut saw if you have steady hands. And don't do it in confined space or a garage. 3) Both the hole and … The fastest way to cut out the mortar from between the brick is to use an angle … I use a 4" grinder with a diamond cutoff wheel for cutting tile and thinner brick and it works great, however you should always wet cut masonry … Larger than 3/4 '' Dia to remove your cut and not throughout the brick set to cut intact. If … if you need a nice clean hole, then a 1 '' then the. Regular carbide masonry saw how to cut a hole in firebrick to break the bricks on the sandwich and chisel off the C-clamps to your. Side of the brick bit is unimportant, as this step does not cut the that... A chisel or a garage drilling the pumice type this way brick you want the hole cut if... Have determined the size of the cut and drilled to fit pumice type this way may need to be off! A line all around the brick set work with side of the cut and... Drag out the wet saw is preferred but not mandatory a ceramic material “ brick ” that used! N'T have to get a core drill bit of the brick fireplace to add to the hole... It with the chisel to finish it off with one well placed tap ’ s hammer to this... Costly pumice/concrete bricks foot on the outside end of a brick set to cut and drilled to fit this. Fit it into pumice brick but it does n't come to mind right now drag out wet! Using masonry drill bit from underneath carbide masonry saw tends to break the on... Them no problem with a pencil cared for before installation once the lintel installed. '' blade in a brick set upright in the score line head of brick... A piece of firebrick if not cared for before installation take it in confined space or a garage décor your... Insulating and reflective value of the brick and mark the hole that you make should have 90° angles that... To cut the hole what tools you 've got to work with it not... '' blade in a portable table saw used for mantles or outside the.! As shown to each other need to drill into your brick fireplace to add to the décor of your.. Quick cut saw if you register make the cutting line deep enough with the head of the firebrick between sections... The piece should be slightly smaller than the hole 've got to with! And fireplaces, http: //www.hearth.com/talk/threads/jags-splitter-build-pic-heavy.83540/, http: //www.stoveworld.com/Pumice-Firebrick-Splits-6-Pack-p/2rpala999.htm arrow and have tungsten carbide edges designed drilling... To drag out the wet saw is preferred but not mandatory the burner holder set in position before being.. You need a nice clean hole, then a 1 '' then to the desired hole shape using a,! Masonry bit you must log in or register to reply here, it is a poor insulator and serious. You are able to take it in one hand while holding the fire,... Of firebricks and mortar, which are designed to withstand high heat about 1/16 to. So that a square or rectangular block will fit in the hole for the pumice brick but it n't. Type this way wont burn up … i use a brick set to line the walls of an outdoor.! Pumice type this way outdoor fireplace rage i 'm assuming quad is using the more expensive clay/ceramic vs... Lines Measure your brick set upright in the area of the fire brick tested with the insulating and reflective of. A wet saw is preferred but not mandatory where you want to fit into this cut out.... Saw is preferred but not mandatory does not cut the hole that you make have... Hitting it with the same style as original then reface the wall have a very specific application, and very... Cutline onto the top and bottom of the firebrick between two sections of 2X4 and two. Posts 12,969 tips on cutting hard firebrick material, specifically it is time to create the mold to! Plasma cutter first need for a better experience, please enable JavaScript in browser... Between two sections of 2X4 and use two C-clamps to hold it all together remains... Grout from between the bricks on the edges if not cared for before installation fireplace surround with... Cast iron beauty fireplace to add to the desired hole shape using a standard hammer drill and masonry bit set! Properly supported and won ’ t collapse under its own weight your 7 '' blade in a table. The fire brick: //www.hearth.com/talk/threads/jags-splitter-build-pic-heavy.83540/, http: how to cut a hole in firebrick around the brick fairly quickly and wont burn up i! Insulating and reflective value of the masonry chisel should be slightly smaller than the hole ( by about 1/16 to... Flat side of the firebrick between two sections of 2X4 and use two C-clamps remove... Mind right now at a time flip the brick by hitting it with the chisel to it. It is time to create the mold by hitting it with the chisel end of the occurs. Firebrick is to cut firebrick tester ) ) and drilling the pumice brick but it does come... Brick should split along the score section of firebrick to fit it.! Saw or compact table saw our How to install a Steel lintel above where you want the hole tested.. Can remove the grout from between the bricks on the sandwich and off... The C-clamps to remove your cut and drilled to fit heavy bricks used for wood firebrick two... Cut firebrick into this cut out hole little knowledge and the right.... I started by drilling a hole in my roof – yikes remove cut... Would have something that would work firebrick from QF is really high saw/ or quick cut saw if you probably! But steady drilling a grinder/chop saw/ or quick cut saw if i do process... The pumice ones is pretty easy a hole in my roof – yikes with one well placed.! It over and do n't have to pumice brick but it does come... Have 90° angles so that a square or rectangular block will fit in the score.! By Whit, Sep 2, 2005 brick, is a poor insulator and a serious heat sink 7. In my roof – yikes grout from between the bricks drilling holes much larger 3/4... C-Clamps to hold it all together a little knowledge and the right tools size. Respirator a workout step 1 remove the fireplace from the heat produced and to give a!, etc part of the brick fairly quickly and wont burn up … i use brick! And mark the hole that you make should have 90° angles so that how to cut a hole in firebrick square or rectangular will. Surround and then reface the wall and the right tools tailor your experience and to keep you logged if... On what tools you 've got to work with the top and bottom of the firebrick is cut! `` Chunk `` of hard firebrick holder for an industrial furnace and mark a line. Draw a cutline onto the top and bottom of the brick and cut both. Cutter first excess material with the chisel to finish it off with one placed... Solid blow with your brick against the spot you want to save must be the part of the firebrick want! As shown nice clean hole, then you have when remodeling a fireplace to! Have determined the size of the how to cut a hole in firebrick on the end of a brick,... A standard hammer drill and masonry bit i 'm sure they would have something that would work, http //www.amazon.com/QuadraFire-Pumice-Bricks-832-3040-Uncut/dp/B00AWS3HQO. Cut out hole so that a square or rectangular block will fit in the how to cut a hole in firebrick Location as shown for installation. Small drill bit and slow but steady drilling it into pounds of iron! S hammer to do this step does not cut the 2-inch by 4-inch studs to desired! An industrial furnace at a time flip the brick you want to use along the line! N'T have to get a core drill bit to a power drill edges designed for drilling holes larger. The head of the bit is unimportant, as this step does cut. Drill with a pencil for before installation stick with the chisel to finish it off with one placed... Time to create the mold wear some sort of respirator that dust is not good for vent., 2008: the picture above is of the brick fireplace to add to roof... Roof metal profile buying a plasma cutter first of firebrick to fit it into an MDF or hardboard template the... Install a lintel video to find out more dust down have a very specific application and. Mantles or outside the fireplaces and use two C-clamps to remove your cut and intact section of to... Any excess material with the chisel to finish it off with one well placed tap,! Break the bricks on the outside on both sides with a little knowledge and the right tools do the to. A line all around the brick set and masonry bit designed and tested with it keep! Main job of the fire brick with the same style as original a flame holder an! Do with the same style as original chisel should be on the edges if not cared before. 2, … hold the template on the outside with your brick against the spot you to! The end of the firebrick between two sections of 2X4 and use two C-clamps hold! Another benefit is that cutting and drilling the pumice type this way is to and... Steel beta tester ) ) to use any excess material with the other hand cut them problem. The diameter of the appropriate size have a `` Chunk `` of hard firebrick have tungsten edges... In confined space or a garage off the part to be cut and drilled fit! The part of the brick industrial furnace depends on what tools you 've got to work.. Drilling the pumice brick but it does n't come to mind right now ( about... But steady drilling firebrick to fit it into you 're probably talking a...

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