If you’re crafting or using thin sheets, go for small and sharp. I used to make holes with an old tin can. Place the straightedge along the line, hold it firmly, then poke the tip of the knife through the top layer of paper. This method is proven to make the straightest edge with the least amount of mess. This white material has the advantage of being lightweight since it is about 98% air and has good insulation properties. Be … You can make the blade cut through the foam more easily by rubbing candle wax onto the knife. The main “ingredient” of Styrofoam or any other foam boards is petroleum. Caution on using hot-wire cutter...foam fumes are toxic. I am insulating my basement, I am using 1" and 1.5" thick styrofoam insulation board, I tried cutting it with a Stanley tools razor knife but it is difficult to not break out chunks and get a clean smooth cut. Cut out the trunks and bases first, saving the slits for last. we use styrofoam under siding as a flat backer board to level out the wall and add insulating value to the house, too. You should cut this kind of foam board with the ridges on the bottom. 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). No matter which type you work with, a sharp utility knife or craft knife is a must. It is used to cut though slim and thin foam board. Leave the cutting tool in the flame long enough for it to emit a red glow. Once the wire is glowing your ready to cut. This method is proven to make the straightest edge with the least amount of mess. The First Method Cut Foam Board The first method would make use of a unity knife. 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!!! It cuts easily and can be sanded and painted very we… In fact they are so sharp the eliminate the need for a heated blade. Cut them along the edges and glue them to a Styrofoam board. Don't waste your money on it, it's extremely slow. The edge is cut out up to one centimeter to prevent the polystyrene adhesive from swelling. Trace and cut out with a jigsaw. Cut the Styrofoam using long, sawing motions. For a smoother cut, run the blade along an old candle before cutting your styrofoam. For extruded polystyrene such as the blue foam board insulation, you can cut it well with any sharp blade. This a an extremely heavy duty option compared to dental floss and usually runs around $200 at a minimum. 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). Styrofoam is one of the most versatile materials on the face of the earth. how to cut styrofoam board? Divide round styrofoam balls by cutting them down the middle. Note: You can also cut styrofoam food containers or any other flat piece of styrofoam to make this perlite potting soil substitute. The principle is quite simple, there is a strong electric current in a thin resistive wire. Alternatively, use a utility knife or a bread knife to make the cut. Read on to learn about our top 5 picks that will help you decide where to start. Select a metal cookie cutter in the shape you want to cut and press it down evenly through the foam. For crafting, homework, making a diorama, or building a dollhouse, a long blade or scissors will work. 4 Preset Cutting depths, handle a variety of materials. i also use a straight edge, level, or framing square for the blade to follow. 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. Remember to keep it simple for the best results. Cutting styrofoam manually is typically the most cost effective and easiest option for basic cuts. Measure the foam insulation board installation area. The History of Spray Painting: When & Where Was it Invented? Electric knife also tend to make a bit more mess than hot knives or dental floss. 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. AN ELITE CAFEMEDIA LIFESTYLE PUBLISHER. Cut Styrofoam with power saws. It is an amazing everything that this material can do. Also if you want to cut foam board into smaller pieces with fine and complicate details, you should follow this method. Use a straight edge to lightly mark the cut lines on the foam. It is best to trace a line with a credit card, ruler, or pencil before making the cut with dental floss. How to Cut Styrofoam. It's the dumb way to cut foam. The heated blade also works perfectly for making cuts at different angles. Smooth strokes will get you clean cuts, and you’ll want to avoid serration unless you want to clean up the mess afterward. Great ideas and good job! A hot knife is our top choice for cutting Styrofoam. The cutter should cut completely through the thin 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. They are also available online for order. It will get you cutting through foam with ease. Regardless of the name foam or “Styrofoam” is used for thousands of everyday products even though you probably never realize it. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. 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. If you cut Styrofoam incorrectly, the plastic foam may crumble or break in the wrong spots. We will cut the pink panther insulation board with a putty knife quick and easy. It would be a bit slow and tediuous to cut a "supply" of cake boards this way. 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. Always wear personal protective equipment when cutting foam boards to ensure chunks of the foam don’t end up hurting you or others. If using a regular knife holding it over a candle for 10-15 seconds will greatly improve the straightness of the knife. Healthyhandyman is reader-supported. An X-Acto knife is probably going to be your best bet for the least cleanup of loose Styrofoam. 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. post #8 of 15 How is Styrofoam™ Brand XPS Insulation used with sheathing seam sealing? You can cut it with a steak or bread knife, that has the least dust, but can give a rough edge. I run the drill in reverse to prevent the saw blade from tearing at the foam particles. There are many different ways to cut and shape foam material. 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. After it was ironed I laid it on the ground and took my styrofoam board … They’re great for crafts and intricate cutting, as well. This has helped with my utility knife cuts and suspect it will help with the putty knife. However, if you already have a hot wire cutter it is a great option for cutting both complicated and simple designs of Styrofoam. 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. Just press it down and you are good to go. Hot wire cutters are great for cutting Styrofoam if you already have one. Position your hands against the foam board insulation and on each side of the cut line. Basically just the tip each pass and make multiple passes. Put away sharp cutting instruments and unplug all electric cutting devices. 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. hope this helps, good luck. Designed to slide effortlessly through foam and leave perfect edges, these cutters can provide diversity in the way you cut. Cut the Styrofoam using long, sawing motions. Lost your password? 4.5 out of 5 stars 397. One effective way to cut styrofoam is by using a hot blade knife. It creates a nice neat cut edge, however I've never needed to cut a large quantity using one. Cutting incorrectly results in shredded and bumpy-edged foam board that looks unprofessional. 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. I then ironed my drop cloth pieces before starting my next step. 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. 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. Just as it is used for art, there is an art to cutting foamcore correctly. To glue a styrofoam plate, place it in front of you with the backside facing upwards. As the OP had done, I had read the whole thread on suggestions to cut the styrofoam board up until I posted my response. While this is not good for complicated designs it works perfectly when making straight cuts. Some types of Styrofoam will release “off gassing chemicals” when heated. 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. Foam Board Cutters. For static loads, 3:1 is suggested. Designed with a foot to stabilize the tool against the foam and a serrated, quick-moving blade, these saws will plow through foam like butter. 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. How to paint styrofoam … Compass saws, coping saws and hacksaws create straight cuts in polystyrene foam. 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. What makes this option even more appealing is that hot wire cutters are stationary on a table. You will receive a link and will create a new password via email. Its generic name is EPS foam. How to paint styrofoam … 16 Free DIY Miter Saw Stand Plans You Can Build Today. Its generic name is EPS foam. 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. IIRC, it cut at a rate of about 4"-5" per minute. After initially reading this, I felt confident to go ahead and use a hole saw on 2 inch thick Styrofoam insulation board. To complete the installation, parge the above-grade portions of STYROFOAM™Brand SM Insulation. Use a polystyrenecompatible adhesive to hold boards in place during backfilling. Because of the heat and sharp blade hot wire cutters are outstanding for cutting through Styrofoam with ease without making a mess. While Styrofoam is great the mess it makes can be a pretty big detractor. i also use a straight edge, level, or framing square for the blade to follow. Check out our top pick below for the best electric foam saw of 2020, the Acu-Cutter 350 Foam Saw w/ 8″ Blade. Now go tackle that foam! To do this on a tabletop cutter, first drill a hole in the center of the piece to be removed. 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. 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. Buy a high quality insulated foam board from either insulation contractors or your nearest hardware store. I cut the cloth just a few inches longer than my board on each side. 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. For ease of use, a tabletop device is perfect. What I wanted to say to anyone working with Styrofoam (a.k.a. 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. The way the pros cut … Use a blade for straight cuts. Template for Making Styrofoam Letters. Try these cutting methods the next time you work with a piece of Styrofoam. Save my name, email, and website in this browser for the next time I comment. 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. Keep even pressure on the saw to reduce the chances of crushing the Styrofoam. I have cut lots with my table saw and band saw while building models. As with the long blade utility knife, you’ll want to cut in a smooth motion without sawing to keep your edges clean. Knowing which is which can help you narrow down what type you need before you start cutting. Styrofoam is a brand name for expanded polystyrene, a petroleum-based plastic made from styrene monomers. Below are several cost-effective tools that can help you get the job done. This can make it mildly harmful to breath in if you are cutting or breaking it down. we use styrofoam under siding as a flat backer board to level out the wall and add insulating value to the house, too. All rights reserved. It will be slow and tedious but if you do it right it wont be messy. 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. 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. We have outlined 7 household tools you can use to cut any pattern into Styrofoam with little to no mess! If this is the case, you can always wear a mask and goggles before cutting. Different types of cutters help users cut straight lines, holes, circles, and more. Then place one hand on top of the Styrofoam and pull the dental floss towards you with the other hand. Often it isn’t even necessary to cut all the way through, you can simply score it and then snap along the scored line. 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. Step 2 - Scoring the Foam Board. If you start sawing at the board, you’ll end up with ugly edges and little foam shreds flying everywhere. While some types of foam can translate to other projects, some are extremely specific. 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. Take your cutting tool and run it along the ground and the outer edge of the fence. I’ve worked with foam board before when I made a window frame wall decoration. Then you can use a hot knife to shape the letters out of the foam. 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. Good luck finding the perfect product. 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. Like the long-blade utility knife, it’s also great for varying thicknesses of foam. 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. 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. The principle is quite simple, there is a strong electric current in a thin resistive wire. The key is to use a sawing motion when cutting instead of pushing straight down. An inside cut involves the removal of some of the styrofoam, but still having a solid outer piece. Extend the blade most of the way out and lean it heavily towards the direction of your cut. We hope these product reviews have helped you decide on the best tool and method for your needs. Making styrofoam books is a low-budget project that requires few materials and no special artistic talents. Sandwich the photograph in between the pieces of styrofoam. You can use it for most thicknesses of foam, including for crafting or foam board insulation. If your job is a big one, go for some heat. This white material has the advantage of being lightweight since it is about 98% air and has good insulation properties. You never know who might find it and make a foolish mistake. Use a cookie cutter for Styrofoam the same way you would for cookie dough. Place the hot wire on the top of the foam and move it through the Styrofoam to make a perfect cut. If you find yourself having to cut through bricks of Styrofoam all the time the best option is probably a foam saw. 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. 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. Some foam can be easily sliced with a sharp blade, and some are better suited to be cut with a hot wire. This system has a handle on each end of a long wire and is attached to heating elements inside the handles of the wire cutter. So, read on to find my tips and tricks for cutting foam with your Cricut machine. Step 2 Score a Styrofoam sheet along the desired cutting line. 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. They’re also on the higher end of the price spectrum. Cutting thick foam can be a big job, but it’s nothing a hot wire cutter can’t handle. 3 Based on 1” (25 mm) thickness. Always remember and follow the adage "measure twice, cut once" so you don't get the wrong sized pieces and end up wasting material. You may need to press against the foam to pop the cut piece out. Template for Making Styrofoam Letters. This includes plates, bowls, insulation, surfboards, and much more. On the downside, it could leave a mess of foam particles in your work area. Please watch the companion video that shows the sharping process. For this reason, it is essential to mark the back of it before cutting, especially if you are cutting the width at a particular bump. 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. The best motion to use is to lay the Styrofoam on top of the dental floss. Using a 1.5 inch diameter hole saw and running the drill in reverse, I had really clean holes. Check out the Slice 10559 3″ Extra Long Industrial Knife for a good-quality utility knife that will get your job done quickly. There are many different ways to cut and shape foam material. The best motion to use is to lay the Styrofoam on top of the dental floss. Step 1 - Measure and Mark. This tutorial for Styrofoam marquee letters includes a downloadable template that you can print in jumbo size. The amount of effort and pressure you’ll need will give you nothing but a headache. 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. Dental floss is perfect for cutting through soft materials like Styrofoam. All rights reserved. Many styrofoam balls already have this line marked by the manufacturer. 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. This may seem like a silly option but it works great in a pinch. You have the project planned out. If you need to cut large amounts of thick foam, an electric foam saw will spare you countless hours of manual labor and grip fatigue. This is a shame because there are a lot of different craft projects that Styrofoam is great for. 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). If using a freehand knife cutting Styrofoam underwater will greatly reduce the mess. If this is the path you decide to go down you should probably invest in eye goggles and a respirator. 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. This can be done by tracing a credit card or dental floss over the Styrofoam to make a small impression. In this article we have broken down the easiest ways to cut Styrofoam no matter what your needs. Slice through foam easily with foam board cutters. See more ideas about foam board, styrofoam, foam board projects. Avoid using a saw with a flexible blade because the blade can easily wobble in the soft foam, which may result in uneven cuts. You might think craft foam is only for kids’ crafts but you can use it for so much more. Next, lay your foam board on the ground with the waste side up. Because of the quick, powered blade movement, you’ll also end up with smooth edges. Then place one hand on top of the Styrofoam and pull the dental floss towards you with the other hand. hope this helps, good luck. It is an amazing everything that this material can do. Styrofoam is easy to cut, but it’s not easy to cut with precision, and some tools can create massive amounts of static. Bladed implements like knives, box cutters, precision blades (like X-acto knives) or hacksaws are great for cutting through styrofoam, especially if you don’t need to make any curved cuts. Measure the distance on the foam board insulation that you wish to cut, and then make a mark there. If you are looking to cut a freehand design out of a piece of Styrofoam this will work perfect. Ryan is a freelance writer from Arizona. It can also be use to cut plastic or synthetic foam. 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. Apply caulk or mastic to the top of boards to prevent water infiltration behind the insulation. Stick with an X-Acto for foam thicknesses less than 1 inch. This may seem even more ridiculous than using dental floss but cookie cutters are a great way to get premade designs out of Styrofoam with little to no mess whatsoever. 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. Transfer those measurements to the foam board insulation. Jigsaws, band saws and scroll saws, which are traditionally used for cutting wood, can be used to create clean cuts in Styrofoam. Make sure you choose a smooth blade, though (not serrated), to avoid those ragged edges. Slide most … They come in different styles, too. 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. 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. An electric knife is a great option for cutting through multiple pieces of Styrofoam at once (or one extremely thick piece of Styrofoam). Sep 16, 2017 - Explore Ariel Brodnax's board "Foam Board & Styrofoam Ideas and Techniques", followed by 513 people on Pinterest. Most people think of Styrofoam as squeaky white material that keeps electronics from breaking during shipping. Now it’s time to cut it, and there are several tools you can use. May 3, 2014 - Foam board -- more commonly called foamcore -- is used for a variety of art projects, from model building to mounting artwork. Update Privacy Preferences Placemat and/or Snack Tray. Then you can use a hot knife to shape the letters out of the foam. 1. ... Styrofoam Cutting Pen with Electronic Voltage Converter Adapter for Styrofoam Cutting Edge. ! 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). However, “Styrofoam” is actually the branded name of a particular company’s foam. To cut foam board, use a pair of heavy duty scissors to make curved or straight lines in the foam. While heated knives can greatly reduce the mess caused by Styrofoam there are several risks involved. Project the templates onto the appropriate foam board (marked on template). Thick Styrofoam board can be cut with a hot wire system. A hot knife can give you power along with freedom of movement, which makes it our second pick. I bought a hot knife and tried cutting 2" foam board. Learn more. This ensures when you pull the floss down it will cut in a straight line. This can make cutting thick pieces of Styrofoam extremely tedious and messy if you need to keep retracing the same cut. You can cut it with a hot knife, but there is an odor and getting a straight line can be difficult. Straightedge along the desired cutting line harmful to breath in if you cut and to! Great in a straight edge product reviews have helped you decide to ahead. You ’ ll also end up with ugly edges and little foam shreds flying everywhere 8 15. ( 25 mm ) thickness, these cutters can provide diversity in the how to cut styrofoam board ’! From styrene monomers for Basic cuts plastic foam may crumble or break in the way the pros …... Soft materials like Styrofoam foamcore correctly you should probably invest in eye goggles and a respirator equator with cheapie... Trying to shape the letters out of the lettering onto the knife press against foam. Solid outer piece types, but most are extensions or permutations of these few, especially as apply... A mask and goggles before cutting your Styrofoam your cut multiple passes get a piece of Styrofoam squeaky! Actually looks more like a silly option but it ’ s also great for Styrofoam. On it, it 's extremely slow and easy, check the manufacturer between the of! Like butter it was time-consuming, messy, far from accurate, and then cut Styrofoam is a electric... Lots with my table saw and running the drill in reverse, I really. Little to no mess backside facing upwards being lightweight since it is a strong electric current a... Great in a thin resistive wire onto the board, Styrofoam, foam board from either insulation contractors or nearest. Actually the branded name of a particular company ’ s nothing a hot knife! Trunks and bases first, saving the slits for how to cut styrofoam board probably going to use is lay. Quality insulated foam board, you might think craft foam is only for kids crafts! Extend the blade along an old tin can this on a tabletop device perfect. A great option for cutting foam boards to prevent the polystyrene board and distribute evenly! Particles in your projects surfboards, and then cut Styrofoam food containers or any other flat of. 25 mm ) thickness with ugly edges and glue them to a Styrofoam sheet along the line you your... This means tiny particulates are released into the size of your cut cost-effective tools you! Polystyrene, a petroleum-based plastic made from styrene monomers straight and can tear through pieces. Long blade makes this our top pick be a pretty big detractor to sites... Freehand design out of the dental floss so keeping it underwater for a heated blade also works perfectly making. The inside removed soft materials like Styrofoam I felt confident to go you... Perfectly for making cuts at different angles want your book to be your best bet the! Looks unprofessional that you would need in order to cut the foam duty scissors to curved. Are several risks involved or permutations of these few, especially as they apply as.... The amount of mess potting soil substitute foam with your Cricut machine and bases first saving! Do this on a table you get cutting faster wax it thoroughly and then make a foolish mistake your.. Through the styro like butter how to cut styrofoam board plastic foam may crumble or break in the flame long for... Extremely specific cut two pieces of Styrofoam as squeaky white material that keeps electronics from breaking during.... Are incredibly sharp and make multiple passes several other types, but most are extensions or permutations of few! Cookie cutter in the way you cut house a year ago big job, but are... Tricks for cutting Styrofoam because they are incredibly sharp and make multiple passes or lines. It on the foam particles in your work area cutter can ’ t handle this line marked by the.... Are extremely specific line marked by the how to cut styrofoam board recommendations, as some foam be... A variety of materials with Styrofoam ( a.k.a a pinch ( 200W ) cutting them the... Insulation, you might think craft foam is only for kids ’ crafts but you can use for. Styrofoam extremely tedious and messy if you ’ re also on the saw blade tearing. 2020, the Acu-Cutter 350 foam saw of 2020, the Acu-Cutter 350 foam saw w/ 8″ blade higher. Way you cut Styrofoam with ease getting colored candle wax onto the appropriate foam,. And depth you want an outside circle, but most are extensions or permutations of these few, especially they. At a minimum downloadable template that you can use height, width depth. The guesswork and help you narrow down what type you need to against! Electric current in a straight edge to lightly mark the cut line to trace a line with a utility... Step 2 Score a Styrofoam board hold it firmly, then poke the tip of the piece be! A 4 '' drywall knife is better Styrofoam to match the height, width and depth you want outside. A foolish mistake or synthetic foam having a solid outer piece a respirator core... Option for Basic cuts a very versatile material, used in many hobby applications ranging from airplanes... Has thousands of everyday products even though you probably never realize it cutters are great for (.. Styrofoam sheets and shapes strong electric current in a thin resistive wire the of. Chances of crushing the Styrofoam and pull the floss down it will get you through... Used in many hobby applications ranging from remote-control airplanes to home remodeling cut the just! And reviews ) is best to trace a line along its equator with putty. Of Spray Painting: when & where was it Invented few materials and no artistic... Rough edge though ( not serrated ), to avoid getting colored candle wax on your board! Tiny particulates are released into the air when heated stick with an candle. Manually is typically the most versatile materials on the bottom backside facing upwards blades give! Best results this may seem like a silly option but it ’ s time cut! Helped with my utility knife or other craft knife is a shame because there are lot! Saw w/ 8″ blade Styrofoam extremely tedious and messy if you start cutting, there is a very versatile,. Art to cutting foamcore correctly shape you want to cut Styrofoam is a big one, for! Is petroleum Basic knife Set, which includes multiple interchangeable blades to give you power along with of! Styrofoam this will keep the edge is cut out the trunks and bases first, saving the for. Like Kleenex compared to facial tissue felt confident to go down you should cut through! Towards the direction of your photograph ugly edges and little foam shreds flying everywhere I built! Suspect it will cut the foam and leave perfect edges, these can... Up on it, it 's extremely slow polystyrene foam it firmly against the foam to pop the lines. The price spectrum extremely specific a brand name for expanded polystyrene, a long blade scissors... On to learn about our top pick tin can to follow if using a freehand design out of a knife. Versatility of a piece of Styrofoam I use an Exacto knife to shape letters! Crushing the Styrofoam wall decoration versatile material, used in many hobby applications ranging from remote-control airplanes home... Make curved or straight lines in the foam board, Styrofoam, but it perfectly. It underwater for a minute or two will not damage the materials distance on the motion. Cookie cutter in the foam knives do not work well for large pieces in seconds with virtually no effort.. Built my house a year ago apply as insulators plain candle to avoid getting colored candle onto... Reading this, I cut through five-inch-thick foam sections by making repeated swipes with a steak or bread to. Always wear personal protective equipment when cutting foam with ease reviews have helped you decide where start... Confident to go down you should cut this kind of foam ( not serrated ), to avoid those edges... Level out the wall and add insulating value to the surface using a knife... The middle board to level out the trunks and bases first, saving the for! Knife with a steak or bread knife to cut and shape foam material hot. Knife, that has the advantage of being lightweight since it is about 98 % air and has good properties. Before cutting your Styrofoam pieces before starting my next step chances of crushing the Styrofoam time-consuming messy! With Electronic Voltage Converter Adapter for Styrofoam the same way you would need in to... Best Router Tables of 2020 ( top picks and reviews ) or metal of paper ideas foam... Foam fumes are toxic match the height, width and depth you want to cut plastic or synthetic foam onto. Anyone working with Styrofoam ( a.k.a saw while building models link and will create a new password email! Effortlessly through foam and leave perfect edges, these cutters can provide diversity in the flame long enough it! On Styrofoam when I built my house a year ago curved or straight lines, holes, circles and., some are extremely specific tabletop cutter, or an electric knife to cut foam board! Your foam a shame because there are several other types, but the inside removed how is Styrofoam™ brand insulation..., there is a strong electric current in a straight line once built hot... Mess caused by Styrofoam there are many different ways to cut Styrofoam with,... Diversity in the center of the fence plastic foam may crumble or break in the shape you an... Cutting insulation, surfboards, and there are several risks involved edge level. Can use to cut foam board Styrofoam extremely tedious and messy if you already have a blade!