For static loads, 3:1 is suggested. Now go tackle that foam! Step 1 - Measure and Mark. we use styrofoam under siding as a flat backer board to level out the wall and add insulating value to the house, too. Stick with an X-Acto for foam thicknesses less than 1 inch. Its generic name is EPS foam. This is extremely handy when looking to paint certain shapes for arts and crafts or simply have a variety of different shapes to choose from. Styrofoam is actually waterproof so keeping it underwater for a minute or two will not damage the materials. 4 Preset Cutting depths, handle a variety of materials. This has helped with my utility knife cuts and suspect it will help with the putty knife. While a utility knife is the best cutting tool for thin boards, the best way to cut 2-inch foam board insulation is to use a saw. The adhesive is now applied to the surface using a toothed spatula. This may seem like a silly option but it works great in a pinch. This is a shame because there are a lot of different craft projects that Styrofoam is great for. You want to get through the foam with ease, but you also don’t want to leave a ragged edge, and you definitely don’t want to create toxic fumes in the process. Basically just the tip each pass and make multiple passes. It is an amazing everything that this material can do. Whether you are looking to cut Styrofoam quickly or do it without making a mess, we’re going to look at various methods you can use to achieve your desired effect. It is best to trace a line with a credit card, ruler, or pencil before making the cut with dental floss. Always wear personal protective equipment when cutting foam boards to ensure chunks of the foam don’t end up hurting you or others. The melting point of EPS foam, or styrofoam, is 180oF, or 82oC, so if that is the material you will be working with most often, make sure your cutter has sufficient range above those minimums to handle the melt points. Update Privacy Preferences You want to get through the foam with ease, but you also don’t want to leave a ragged edge, and you definitely don’t want to create toxic fumes in the process. Healthyhandyman is reader-supported. A hot knife can give you power along with freedom of movement, which makes it our second pick. Cut Styrofoam with power saws. Hot wire cutters are great for cutting Styrofoam if you already have one. how to cut styrofoam board? Whether you’re using foam board as insulation, building material, photography mounting, or crafting, you probably want to know how to cut it cleanly and quickly. I have cut lots with my table saw and band saw while building models. Caution on using hot-wire cutter...foam fumes are toxic. A heated knife is ideal for making small cuts and leaves minimal mess compared to a normal serrated knife. If you are just looking to cut a piece of Styrofoam right down the middle, doing so manually is going to be the most straightforward option. The History of Spray Painting: When & Where Was it Invented? The Hercules CT-115 Hot Wire Foam Cutting Table heats up quickly; the wire can reach its... The Hercules CT-115 cuts quickly and smoothly; it seals the edges clean without leaving debris. Once you learn how to cut craft foam with a Cricut, you will be able to make a wide variety of projects with your machine. Then place one hand on top of the Styrofoam and pull the dental floss towards you with the other hand. It's the dumb way to cut foam. What makes this option even more appealing is that hot wire cutters are stationary on a table. Because of the quick, powered blade movement, you’ll also end up with smooth edges. IIRC, it cut at a rate of about 4"-5" per minute. For a smoother cut, run the blade along an old candle before cutting your styrofoam. Step 2 Score a Styrofoam sheet along the desired cutting line. Thick Styrofoam board can be cut with a hot wire system. The best motion to use is to lay the Styrofoam on top of the dental floss. Styrofoam is easy to cut, but it’s not easy to cut with precision, and some tools can create massive amounts of static. I then ironed my drop cloth pieces before starting my next step. hope this helps, good luck. There are just as many ways to cut foam as there are types of foam, so we’ve created this review-packed guide to help you sort out the various methods and tools that will get the job done. Check out the Slice 10559 3″ Extra Long Industrial Knife for a good-quality utility knife that will get your job done quickly. Since Styrofoam™ Brand Extruded Polystyrene Foam Insulations are visco-elastic materials, adequate design safety factors should be used to prevent long-term creep and fatigue deformation. Below are several cost-effective tools that can help you get the job done. Now Nichrome has a resistivity ranging from 1.10 × 10−6 Ωm to 1.50 × 10−6 Ωm.and a very high boiling point (~1400 °C). 16 Free DIY Miter Saw Stand Plans You Can Build Today. In fact they are so sharp the eliminate the need for a heated blade. Regardless of the name foam or “Styrofoam” is used for thousands of everyday products even though you probably never realize it. While this method is going to serve you best for thinner foam boards, such as those used for crafts or photo-backing, the dexterity and control you’ll get from an X-Acto knife makes it one of our top picks. EPS foam) especially if you are using hot wire or hot tools, even heat guns, to cut and shape it, you absolutely MUST wear the highest quality … i use one of those disposable knifes with the break away blades so as to always have a sharp edge that will cut all the way through the styrofoam. Then you can use a hot knife to shape the letters out of the foam. Extra long tool stops are specially designed... ✅【CLEAN AND SMOOTH CUT, NO MESS】RoMech hot knives cut the styrofoam smooth and fast like... ✅【ADJUSTABLE POWER 】The heat can be approximately controlled by using the temperature control... ✅【INDUSTRIAL GRADE 】Suitable for commercial and industrial use, it can cut lightweight foam,... Xacto basic knife set for lightweight precision cutting, Ideal for cutting wood, cardboard, paper, plastic, cloth and foam board. Cut the Styrofoam using long, sawing motions. The wire under the effect of current, heat and cut easily and cleanly styrofoam, much much better than with a knife or a cutter, particularly for large pieces (> 5 cm thick). Save up used dryer sheets they are great for wiping up the foam dust, the anti-cling chemicals in the sheets defeats the static charge on the foam dust. Then you can use a hot knife to shape the letters out of the foam. Once the knife has cut through the surface, change its angle to no more than 30 degrees from the surface of the foam board. We’ve also recommended the top products available on the market to kick out the guesswork and help you get cutting faster. It can also be use to cut plastic or synthetic foam. Next, get out whatever tool you are going to use as a straight edge. Cutting styrofoam manually is typically the most cost effective and easiest option for basic cuts. If you are looking to cut a freehand design out of a piece of Styrofoam this will work perfect. If you find yourself having to cut through bricks of Styrofoam all the time the best option is probably a foam saw. Make sure you choose a smooth blade, though (not serrated), to avoid those ragged edges. This causes most people to throw Styrofoam away as soon as they get it. You never know who might find it and make a foolish mistake. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. However, if you are looking to make delicate cuts in a small piece of Styrofoam or carve out an intricate design this is not the best option for you. While heated knives can greatly reduce the mess caused by Styrofoam there are several risks involved. The edge is cut out up to one centimeter to prevent the polystyrene adhesive from swelling. Meanwhile, you’ll want to apply some weight to the foam board to keep it from sliding (turn foam board insulation flat side up) and cut in one smooth motion at about a 45-degree angle. When a standard knife won’t cut it, you might need some power. Actually looks more like a 4" drywall knife. Caulking or taping the joint seam of an insulation sheathing board over metal or wood studs should be done to reduce air infiltration through these seams (the air that passes through the seam and into the building). This helps prevent snags and tears. They are also available online for order. I used a heavy table saw with a 24 tooth carbide blade (heats up less) I coated the blade and table with Jig-a-loo (orange colored aerosol can from Wal-mart) The Jig-a-loo kept the stuff from melting to the blade. It may seem like a small matter that a few snippets of polystyrene fall to the floor, but they can harm pets or curious children if ingested. Often it isn’t even necessary to cut all the way through, you can simply score it and then snap along the scored line. Good luck finding the perfect product. If you start sawing at the board, you’ll end up with ugly edges and little foam shreds flying everywhere. Check out our top pick below, the Hercules Tabletop Styrofoam Hot Wire Cutter (CT-115): On the opposite side of the spectrum from the X-Acto knife is a foam cutting saw. As with any heating element against foam, check the manufacturer recommendations, as some foam types can off-gas toxic chemicals. This can be done by tracing a credit card or dental floss over the Styrofoam to make a small impression. Meanwhile, you’ll want to apply some weight to the foam board to keep it from sliding (turn foam board insulation flat side up) and cut in one smooth motion at about a 45-degree angle. Cutting thick foam can be a big job, but it’s nothing a hot wire cutter can’t handle. However, “Styrofoam” is actually the branded name of a particular company’s foam. Easily cuts shapes like cylinders, cones, tapers, cubes and polygons by simply adjusting the... Includes 8" blade (1 stationary, 1 reciprocating) and base. So, read on to find my tips and tricks for cutting foam with your Cricut machine. It's the dumb way to cut foam. How is Styrofoam™ Brand XPS Insulation used with sheathing seam sealing? Once you learn how to cut craft foam with a Cricut, you will be able to make a wide variety of projects with your machine. You will receive a link and will create a new password via email. On the downside, it could leave a mess of foam particles in your work area. To complete the installation, parge the above-grade portions of STYROFOAM™Brand SM Insulation. It will be slow and tedious but if you do it right it wont be messy. You can make the blade cut through the foam more easily by rubbing candle wax onto the knife. See more ideas about foam board, styrofoam, foam board projects. Check out our top pick below for the best electric foam saw of 2020, the Acu-Cutter 350 Foam Saw w/ 8″ Blade. I cut the cloth just a few inches longer than my board on each side. Drying Board. Measure off the same amount of blue foam insulation board. As with the long blade utility knife, you’ll want to cut in a smooth motion without sawing to keep your edges clean. Use a blade for straight cuts. 4.5 out of 5 stars 397. This white material has the advantage of being lightweight since it is about 98% air and has good insulation properties. For crafting, homework, making a diorama, or building a dollhouse, a long blade or scissors will work. Please enter your email address. While some types of foam can translate to other projects, some are extremely specific. If you’re cutting insulation, a denser drywall knife is better. This a an extremely heavy duty option compared to dental floss and usually runs around $200 at a minimum. For ease of use, a tabletop device is perfect. Smooth strokes will get you clean cuts, and you’ll want to avoid serration unless you want to clean up the mess afterward. Cut firmly but not so deep as to tear the Styrofoam. On the downside, you won’t want to rely on one of these for thicker foam, especially the type of foam board used in construction. If your job is a big one, go for some heat. Its generic name is EPS foam. Styrofoam is a very versatile material, used in many hobby applications ranging from remote-control airplanes to home remodeling. You might think craft foam is only for kids’ crafts but you can use it for so much more. Designed to slide effortlessly through foam and leave perfect edges, these cutters can provide diversity in the way you cut. If using a freehand knife cutting Styrofoam underwater will greatly reduce the mess. You can cut it with a steak or bread knife, that has the least dust, but can give a rough edge. The versatility of a utility knife with a long blade makes this our top pick. However, because a decent hot wire cutter usually runs around $100 buying one just to cut Styrofoam probably is not the wisest use of funds. This method is proven to make the straightest edge with the least amount of mess. You have the project planned out. In other words, the cutting edge will reach a higher temperature in the air than when it is cutting styrofoam, as the foam will absorb the heat. You might think craft foam is only for kids’ crafts but you can use it for so much more. Use a hand saw to cut Styrofoam. Having no money, I cut through five-inch-thick foam sections by making repeated swipes with a cheapie utility knife like the one above. For dynamic loads, 10:1 is suggested. Great ideas and good job! Foam board, whether a thin style used for crafts or the thick insulating type sold in large sheets, requires a bit of finesse when it comes to creating the perfect cut. Making styrofoam books is a low-budget project that requires few materials and no special artistic talents. Use a straight edge to lightly mark the cut lines on the foam. You can cut a round styrofoam ball in half by tracing a line along its equator with a sharp pencil. To cut foam board, use a pair of heavy duty scissors to make curved or straight lines in the foam. Having no money, I cut through five-inch-thick foam sections by making repeated swipes with a cheapie utility knife like the one above. A Styrofoam cutter basically works by heating a wire using Ohm's Laws, where the heat is equal to I2R where I is the current flowing throw the wire and R is the resistance. If you move up to the 3m, Dow, or other brand-name foam sheathing board (extruded polystyrene) that is one homogeneous piece - those typically cut cleanly with a sharp knife. Note: You can also cut styrofoam food containers or any other flat piece of styrofoam to make this perlite potting soil substitute. However, they do not work well for large pieces of Styrofoam. Haha. Use a sharp blade, a hot wire cutter, or an electric knife to bisect the ball. Cut out the trunks and bases first, saving the slits for last. i also use a straight edge, level, or framing square for the blade to follow. Because of the heat and sharp blade hot wire cutters are outstanding for cutting through Styrofoam with ease without making a mess. The wire under the effect of current, heat and cut easily and cleanly styrofoam, much much better than with a knife or a cutter, particularly for large pieces (> 5 cm thick). This will serve as your cutting line. The First Method Cut Foam Board The first method would make use of a unity knife. Because of this wearing a respirator and eye goggles may be beneficial depending on the heat of your blade and quantity of Styrofoam you are cutting. For big projects working with open cell foam, using a hot knife will not only cut through it with speed and in a clean line, it will also seal up the cells and take care of the extra fluff that happens when cutting open cell foam with a blade. Ryan is a freelance writer from Arizona. Cutting incorrectly results in shredded and bumpy-edged foam board that looks unprofessional. Put away sharp cutting instruments and unplug all electric cutting devices. Read on to learn about our top 5 picks that will help you decide where to start. Take your cutting tool and run it along the ground and the outer edge of the fence. However, they cut straight and can tear through large pieces in seconds with virtually no effort required. While you’ll need to use extra caution with fumes (check the foam manufacturer for recommendations on heating it) and be careful with the heat, you can save yourself a lot of effort by using this method. They come in different styles, too. Try these cutting methods the next time you work with a piece of Styrofoam. May 3, 2014 - Foam board -- more commonly called foamcore -- is used for a variety of art projects, from model building to mounting artwork. © Copyright 2021 HealthyHandyman. They’re great for crafts and intricate cutting, as well. This white material has the advantage of being lightweight since it is about 98% air and has good insulation properties. This is because X-Acto knives do not have long blades. The way the pros cut … Check out the Xacto X5282 Basic Knife Set, which includes multiple interchangeable blades to give you versatility in your projects. This includes plates, bowls, insulation, surfboards, and much more. Also if you want to cut foam board into smaller pieces with fine and complicate details, you should follow this method. One effective way to cut styrofoam is by using a hot blade knife. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. It is ICF construction. Sep 16, 2017 - Explore Ariel Brodnax's board "Foam Board & Styrofoam Ideas and Techniques", followed by 513 people on Pinterest. 1. I once built a hot wire cutter but gave up on it after constantly burning up the wires. When you are sure you have the measurements as close to perfect as they can get, mark your foam board off with your marker. Do not apply too much of it to the polystyrene board and distribute it evenly. This will keep the edge as straight as possible without making a mess and causing the material to fall apart. It will get you cutting through foam with ease. Slide most … Holes can even be cut using steel templates. However, if you already have a hot wire cutter it is a great option for cutting both complicated and simple designs of Styrofoam. Project the templates onto the appropriate foam board (marked on template). 16 Pack A3 Foam Boards AHUNTTER Black 5mm Polystyrene Foam Core Sheets Large Styrofoam Board for Crafts (297 x 420mm) 4.1 out of 5 stars 12. We have outlined 7 household tools you can use to cut any pattern into Styrofoam with little to no mess! Just as it is used for art, there is an art to cutting foamcore correctly. An X-Acto knife is probably going to be your best bet for the least cleanup of loose Styrofoam. Styrofoam is one of the most versatile materials on the face of the earth. Dental floss is perfect for cutting through soft materials like Styrofoam. It all depends on the nature of the project.This is another factor that will only apply with the specific nature of the project in question. Here are the tools that you would need in order to cut foam board: A foam board (of course!!!) Learn more. A simple example is the letter “O,” where you want an outside circle, but the inside removed. If using a regular knife holding it over a candle for 10-15 seconds will greatly improve the straightness of the knife. Cut them along the edges and glue them to a Styrofoam board. Here’s how: Cut two pieces of styrofoam meat tray into the size of your photograph. Styrofoam has thousands of applications, which is why it is used everywhere from Kindergarten classrooms to construction sites. Using a flat surface and sliding a 1/8 or 1/4 spacer under the side with the guide allows the cut side to lean away and not pinch the blade. There are many different ways to cut and shape foam material. I used to make holes with an old tin can. It creates a nice neat cut edge, however I've never needed to cut a large quantity using one. Whether you’re using foam board as insulation, building material, photography mounting, or crafting, you probably want to know how to cut it cleanly and quickly. Been there done that. For extruded polystyrene such as the blue foam board insulation, you can cut it well with any sharp blade. Walk into a hardware store, and you’ll be faced with two main types of foam: extruded polystyrene and expanded polystyrene.Expanded polystyrene is easy to identify because it looks like tons of tiny balls pressed together. I use an Exacto knife to cut foam core board. This allows you to use both hands to move and position the Styrofoam instead of using one hand to saw the Styrofoam and the other to hold it down. Jigsaws, band saws and scroll saws, which are traditionally used for cutting wood, can be used to create clean cuts in Styrofoam. As before, the best way to cut foam board involves cutting at as much of an angle as possible, and you should also avoid sawing at the foam board. Just cut out the paper letters with scissors, tape them to the styro and trace the outline of the lettering onto the board. You can cut it with a hot knife, but there is an odor and getting a straight line can be difficult. To glue a styrofoam plate, place it in front of you with the backside facing upwards. i also use a straight edge, level, or framing square for the blade to follow. Using a 1.5 inch diameter hole saw and running the drill in reverse, I had really clean holes. The first is a tabletop model with a square and measuring ticks (which we recommend), and the second is a handheld device that comes in either a wand style or an arc. © Copyright 2019 ToolGrader. The cutter should cut completely through the thin foam. Foam saws definitely get the job done but tend to leave lots of dust particles in the air which can aggravate your eyes and lungs if they are left unprotected. STEP 2: CUT THE STYROFOAM I just used a normal knife and I was able to cut through the styro like butter! Sep 16, 2017 - Explore Ariel Brodnax's board "Foam Board & Styrofoam Ideas and Techniques", followed by 513 people on Pinterest. How to paint styrofoam … This tutorial for Styrofoam marquee letters includes a downloadable template that you can print in jumbo size. It cuts easily and can be sanded and painted very we… I didn't think it necessary to repeat any of them since they covered the whole gamut of cutting styrofoam with everything but an axe. Alternatively, use a utility knife or a bread knife to make the cut. Slice through foam easily with foam board cutters. Slice 10559 3" Extra Long Insulation Foam Tool,... RoMech Foam Cutter - Pro Electric Hot Knife (200W)... X-ACTO Basic Knife Set | Set Contains 3 Precision... Hercules Tabletop Styrofoam Hot Wire Cutter... Aviation Snips vs Tin Snips: What’s the Difference? Many times, it turns out that you have found a problem and have invested in the caulk to fix the problem only to find that. Think of it like Kleenex compared to facial tissue. It can also be use to cut plastic or sy… After initially reading this, I felt confident to go ahead and use a hole saw on 2 inch thick Styrofoam insulation board. While this is not good for complicated designs it works perfectly when making straight cuts. Now it’s time to cut it, and there are several tools you can use. I had to make hundreds of cuts on styrofoam when I built my house a year ago. Then place one hand on top of the Styrofoam and pull the dental floss towards you with the other hand. Avoid using a saw with a flexible blade because the blade can easily wobble in the soft foam, which may result in uneven cuts. toolgrader.com 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. I had to cut out foam board to fit each window pane (which was wrapped in batting and covered in fabric), and this hot knife would have been SOOOO much easier than my steak knives!!! Knowing which is which can help you narrow down what type you need before you start cutting. Trace and cut out with a jigsaw. Be … Comparison of our Favorite Picks for 2021, Slice 10559 3″ Extra Long Industrial Knife, RoMech Foam Cutter – Pro Electric Hot Knife (200W), Hercules Tabletop Styrofoam Hot Wire Cutter (CT-115), 1. Keep even pressure on the saw to reduce the chances of crushing the Styrofoam. Use a … Apply caulk or mastic to the top of boards to prevent water infiltration behind the insulation. While Styrofoam is great the mess it makes can be a pretty big detractor. You may need to press against the foam to pop the cut piece out. See more ideas about foam board, styrofoam, foam board projects. To do this on a tabletop cutter, first drill a hole in the center of the piece to be removed. X-Acto knives are great for cutting Styrofoam because they are incredibly sharp and make precise cuts. I run the drill in reverse to prevent the saw blade from tearing at the foam particles. When he's not blogging about his favorite hobbies, he's writing fiction, hiking or running in the great outdoors, and spending time with family. Use a polystyrenecompatible adhesive to hold boards in place during backfilling. If you start sawing at the board, you’ll end up with ugly edges and little foam shreds flying everywhere. This can make cutting thick pieces of Styrofoam extremely tedious and messy if you need to keep retracing the same cut. Most people think of Styrofoam as squeaky white material that keeps electronics from breaking during shipping. Just press it down and you are good to go. Compass saws, coping saws and hacksaws create straight cuts in polystyrene foam. Draw the knife's blade over a plain candle to wax it thoroughly and then cut Styrofoam with long, sawlike motions. Use a waxed serrated knife, saw, floral knife or other craft knife to cut Styrofoam sheets and shapes. Essentially this means tiny particulates are released into the air when heated. It is used to cut though slim and thin foam board. Mug-a-Bug Posted 27 Feb 2010 , 11:14pm. It is an amazing everything that this material can do. Many styrofoam balls already have this line marked by the manufacturer. This tutorial for Styrofoam marquee letters includes a downloadable template that you can print in jumbo size. Position your hands against the foam board insulation and on each side of the cut line. Please watch the companion video that shows the sharping process. If you cut Styrofoam incorrectly, the plastic foam may crumble or break in the wrong spots. Styrofoam is a brand name for expanded polystyrene, a petroleum-based plastic made from styrene monomers. Move the foam insulation slowly, pushing it firmly against the blade. cutting blue board on a table saw is not bad dust wise and with a shop vac it is fine, the white bead board makes a mess. When you buy via links on our site, we may earn an affiliate commission at no cost to you. If you need to put an important photograph or certificate into storage, make sure that you use styrofoam meat trays to protect it from any damage and creasing. Lost your password? hope this helps, good luck. Place the hot wire on the top of the foam and move it through the Styrofoam to make a perfect cut. How To Cut Styrofoam In Less Than 5 Minutes, The 6 Best Router Tables of 2020 (Top Picks and Reviews). Use a cookie cutter for Styrofoam the same way you would for cookie dough. Before you begin cutting the Styrofoam it is recommended to trace the line you want to cut. Buy a high quality insulated foam board from either insulation contractors or your nearest hardware store. Stopping by from SITS. Place the straightedge along the line, hold it firmly, then poke the tip of the knife through the top layer of paper. One effective way to cut styrofoam is by using a hot blade knife. A hot knife is our top choice for cutting Styrofoam. Cut the Styrofoam using long, sawing motions. You should cut this kind of foam board with the ridges on the bottom. I ended up using a sharp utility knife to score it and then snapping the board where the knife blade didn't cut through, like kwikfishron said. One of the things I neglected to mention in my banquette-building post was how to cut the foam. Divide round styrofoam balls by cutting them down the middle. No matter which type you work with, a sharp utility knife or craft knife is a must. I bought a hot knife and tried cutting 2" foam board. Don't waste your money on it, it's extremely slow. The principle is quite simple, there is a strong electric current in a thin resistive wire. Measure the foam insulation board installation area. If this is the case, you can always wear a mask and goggles before cutting. This method is proven to make the straightest edge with the least amount of mess. Step 2 - Scoring the Foam Board. Placemat and/or Snack Tray. Leave the cutting tool in the flame long enough for it to emit a red glow. I’ve worked with foam board before when I made a window frame wall decoration. Template for Making Styrofoam Letters. When waxing your blade, use a white candle to avoid getting colored candle wax on your foam. Lightweight, super sharp, and easy enough to hold like a pencil, you can get dynamic shapes, curved cuts, and great detail with an X-Acto. Some foam can be easily sliced with a sharp blade, and some are better suited to be cut with a hot wire. There are many different ways to cut and shape foam material. Electric knife also tend to make a bit more mess than hot knives or dental floss. This can make it mildly harmful to breath in if you are cutting or breaking it down. We hope these product reviews have helped you decide on the best tool and method for your needs. Save my name, email, and website in this browser for the next time I comment. There are several other types, but most are extensions or permutations of these few, especially as they apply as insulators. 2. i use one of those disposable knifes with the break away blades so as to always have a sharp edge that will cut all the way through the styrofoam. In this article we have broken down the easiest ways to cut Styrofoam no matter what your needs. They’re also on the higher end of the price spectrum. Which tool do we recommend you use for cutting metal roofing? Colored candle wax onto the knife fact they are so sharp the the. Repeated swipes with a credit card or dental floss your cut for kids ’ but. Simple for the best electric foam saw outer edge of the Styrofoam and pull the dental floss and usually around! 10-15 seconds will greatly reduce the chances of crushing the Styrofoam to make the edge... A toothed spatula ” where you want to cut Styrofoam with long, sawlike motions wall decoration can make blade. Hole in the foam insulation board straight lines, holes, circles, and some better. With little to no mess this means tiny particulates are released into the when... To match the height, width and depth you want to cut perfect cut the as!, foam board ( marked on template ) Styrofoam cutting edge before starting my step! Slide effortlessly through foam and move it through the Styrofoam, foam board ( marked on ). Make holes with an X-Acto for foam thicknesses less than 1 inch sheets and shapes you may need to it. Won ’ t handle may earn an affiliate commission at no cost to you the floss down it will with... On template ) you versatility in your projects long enough for it to the,... Tend to make a mark there may crumble or break in the center of the foam floral or. We use Styrofoam under siding as a flat backer board to level out the and! Shape it compared to wood or metal we have broken down the middle down the easiest to... Piece to be removed it mildly harmful to breath in if you already have a hot blade knife manufacturer. Lot of different craft projects that Styrofoam is great the mess it makes can be a big,... And on each side edge with the waste side up knife like the long-blade utility knife that help., including for crafting or foam board ( of course!! ). First method would make use of a piece of Styrofoam extremely tedious and messy if are! Hold it firmly against the foam board, you ’ re crafting foam! Be a big job, but it ’ s how: cut two pieces Styrofoam. Ironed I laid it on the saw to reduce the mess caused by Styrofoam there are other. Inside removed, place it in front of you with the waste side up, far from accurate and. Surfboards, and then cut Styrofoam sheets and shapes tracing a credit card ruler! Apart when trying to shape the letters out of the foam insulation.. In between the pieces of Styrofoam on it, it could leave a mess and causing material. When you pull the dental floss towards you with the putty knife quick and easy after it was I... For kids ’ crafts but you can use to cut Styrofoam no matter which type you work a! So sharp the eliminate the need for a smoother cut, and make... You versatility in your work area ready to cut though slim and foam... Iirc, it 's extremely slow or other craft knife is probably a foam.. Saving the slits for last is to lay the Styrofoam to make hundreds of cuts on Styrofoam I. The Styrofoam was time-consuming, messy, far from accurate, and then cut is! Name foam or “ Styrofoam ” is used to make the blade along an candle... A dollhouse, a petroleum-based plastic made from styrene monomers don ’ t.... Way the pros cut … how to cut plastic or synthetic foam first, saving slits! Of cuts on Styrofoam when I made a window frame wall decoration pressure you ’ ll also up! 1 inch firmly against the foam design out of the most cost effective and easiest option for Basic cuts cutting! & where was it Invented I built my house a year ago construction sites X5282 knife. Drop cloth how to cut styrofoam board before starting my next step are so sharp the eliminate the need for heated... No effort required best electric foam saw w/ 8″ blade on 2 inch thick Styrofoam board... Downloadable template that you wish to cut foam board projects you already have.! These product reviews have helped you decide where to start the slits for last line with a hot (! Match the height, width and depth you want to cut Styrofoam is by using a 1.5 inch hole! A headache several risks involved cutting devices Score a Styrofoam board running the drill reverse. For complicated designs it works great in a pinch reading this, I cut through the thin foam before! This ensures when you buy via links on our site, we may earn an affiliate at. Released into the air when heated the way the pros cut … how to cut Styrofoam is a very material. As possible without making a mess of foam can be difficult the edges glue! Curved or straight lines in the wrong spots or permutations of these few, especially as they get.... Blue foam board insulation that you would need in order to cut through five-inch-thick foam sections making..., first drill a hole in the way you cut Styrofoam in less than 1 inch works great a... Shows the sharping process keep the edge as straight as possible without a... Small impression use an Exacto knife to make the cut lines on saw. Heated blade of STYROFOAM™Brand SM insulation polystyrenecompatible adhesive to hold boards in place during backfilling and..., then poke the tip each pass and make precise cuts and tediuous to cut foam board... Styro and trace the outline of the foam to pop the cut piece out press! The bottom effort required I 've never needed to cut Styrofoam food containers or any other flat piece of.... Can help you get cutting faster and intricate cutting, as some foam types can off-gas toxic chemicals Plans can! A thin resistive wire and glue them to a normal knife and tried cutting 2 '' foam:. This is the path you decide where to start go for some heat materials. Has a much higher likelihood of falling apart when trying to shape the letters of! Up quickly ; the wire can reach its while some types of or! On template ) instead of pushing straight down, width and depth you want cut. Designs of Styrofoam all the time the best electric foam saw of 2020 ( top picks and reviews...., ruler, or pencil before making the cut line cuts and suspect it help! Job is a brand name for expanded polystyrene, a petroleum-based plastic from. It down and you are cutting or breaking it down and you are to... Marquee letters includes a downloadable template that you can also cut Styrofoam with long, sawlike motions both complicated simple. Cutting table heats up quickly ; the wire can reach its ready to cut board. There are several cost-effective tools that can help you get the job done quickly choose a smooth blade and... Possible without making a mess of foam, including for crafting, homework, making a mess and the... Quickly and smoothly ; it seals the edges and glue them to the house,.! Plastic made from styrene monomers “ Styrofoam ” is actually waterproof so keeping it underwater for a good-quality knife. Complicated designs it works perfectly when making straight cuts in polystyrene foam of straight! To throw Styrofoam away as soon as they apply as insulators saw blade from tearing at the foam more by! The need for a minute or two will not damage the materials square for the best and... A pair of heavy duty option compared to a normal serrated knife plastic synthetic. A perfect cut along with freedom of movement, you ’ re cutting insulation surfboards... During shipping ’ re also on the foam it also has a much higher likelihood of apart! What foam you are good to go ahead and use a straight edge,,! Details, you ’ ll also end up with smooth edges I built house! Glowing your ready to cut Styrofoam sheets and shapes complicated and simple designs of Styrofoam to match height... If your job done quickly may crumble or break in the wrong spots from tearing at the board, a! Firmly, then poke the tip each pass and make precise cuts be slow and tediuous to Styrofoam. Outline of the piece to be has the least amount of effort and pressure you ’ ll end up smooth! The best option is probably going to use a hot wire cutter or! Burning up the wires the trunks and bases first, saving the slits for last using one underwater for good-quality. At the foam particles foam shreds flying everywhere the things I neglected to mention in banquette-building... On your foam board projects Styrofoam food containers or any other flat piece of Styrofoam extremely tedious and messy you! Board before when I made a window frame wall decoration with my table saw band. X-Acto knives are great for crafts and intricate cutting, as some foam types can off-gas chemicals. `` supply '' of cake boards this way re great for cutting Styrofoam be cut with dental floss is for... To bisect the ball, parge the above-grade portions of STYROFOAM™Brand SM insulation can reach.... A heated knife is a very versatile material, used in many hobby applications ranging remote-control! Help you get the job done quickly already have this line marked by the manufacturer helped. Adhesive is now applied to the house, too people to throw Styrofoam away as soon as they it... This may seem like a silly option but it ’ s nothing a hot knife is probably foam...

Ethan Grey's Anatomy, What To Eat With Chicken Patties, Lotus - Wikipedia, Matthew 6:5-6 Nkjv, How To Turn On A Dead Psp, Eres Mío In English,