how to cut styrofoam board

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. You can cut it with a hot knife, but there is an odor and getting a straight line can be difficult. There are many different ways to cut and shape foam material. Trace and cut out with a jigsaw. Use a blade for straight cuts. An inside cut involves the removal of some of the styrofoam, but still having a solid outer piece. You may need to press against the foam to pop the cut piece out. Template for Making Styrofoam Letters. 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. Take your cutting tool and run it along the ground and the outer edge of the fence. Be … post #8 of 15 Here’s how: Cut two pieces of styrofoam meat tray into the size of your photograph. Step 1 - Measure and Mark. Keep even pressure on the saw to reduce the chances of crushing the 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. 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. 3 Based on 1” (25 mm) thickness. Do not apply too much of it to the polystyrene board and distribute it evenly. In this article we have broken down the easiest ways to cut Styrofoam no matter what your needs. Cutting incorrectly results in shredded and bumpy-edged foam board that looks unprofessional. how to cut styrofoam board? Healthyhandyman is reader-supported. 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 … Just cut out the paper letters with scissors, tape them to the styro and trace the outline of the lettering onto the board. 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. It is best to trace a line with a credit card, ruler, or pencil before making the cut with dental floss. 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. For extruded polystyrene such as the blue foam board insulation, you can cut it well with any sharp blade. The amount of effort and pressure you’ll need will give you nothing but a headache. 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. Hot wire cutters are great for cutting Styrofoam if you already have one. 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. 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. For ease of use, a tabletop device is perfect. Using a 1.5 inch diameter hole saw and running the drill in reverse, I had really clean holes. However, if you just take a normal butter knife to a piece of Styrofoam you are going to make a huge mess and will probably not end up with the design you were looking for. On the downside, it could leave a mess of foam particles in your work area. Long Bladed Utility Knife – Best Overall Method. Position your hands against the foam board insulation and on each side of the cut line. Now it’s time to cut it, and there are several tools you can use. Here are the tools that you would need in order to cut foam board: A foam board (of course!!!) Use a cookie cutter for Styrofoam the same way you would for cookie dough. Extend the blade most of the way out and lean it heavily towards the direction of your cut. Use a hand saw to cut Styrofoam. 19. When you are sure you have the measurements as close to perfect as they can get, mark your foam board off with your marker. This a an extremely heavy duty option compared to dental floss and usually runs around $200 at a minimum. While Styrofoam is great the mess it makes can be a pretty big detractor. Cut Styrofoam with power saws. 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. 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. Cutting styrofoam manually is typically the most cost effective and easiest option for basic cuts. If you’re crafting or using thin sheets, go for small and sharp. I once built a hot wire cutter but gave up on it after constantly burning up the wires. Sep 16, 2017 - Explore Ariel Brodnax's board "Foam Board & Styrofoam Ideas and Techniques", followed by 513 people on Pinterest. Electric knife also tend to make a bit more mess than hot knives or dental floss. 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. How to Cut Styrofoam. Just as it is used for art, there is an art to cutting foamcore correctly. Basically just the tip each pass and make multiple passes. Lost your password? we use styrofoam under siding as a flat backer board to level out the wall and add insulating value to the house, too. If this is the case, you can always wear a mask and goggles before cutting. Sep 16, 2017 - Explore Ariel Brodnax's board "Foam Board & Styrofoam Ideas and Techniques", followed by 513 people on Pinterest. Measure off the same amount of blue foam insulation board. Apply caulk or mastic to the top of boards to prevent water infiltration behind the insulation. This has helped with my utility knife cuts and suspect it will help with the putty knife. Essentially this means tiny particulates are released into the air when heated. The cutter should cut completely through the thin foam. As with the long blade utility knife, you’ll want to cut in a smooth motion without sawing to keep your edges clean. It cuts easily and can be sanded and painted very we… If this is the path you decide to go down you should probably invest in eye goggles and a respirator. Sandwich the photograph in between the pieces of styrofoam. We will cut the pink panther insulation board with a putty knife quick and easy. 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. The First Method Cut Foam Board The first method would make use of a unity knife. Transfer those measurements to the foam board insulation. Like the long-blade utility knife, it’s also great for varying thicknesses of foam. 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. No matter which type you work with, a sharp utility knife or craft knife is a must. You can cut it with a steak or bread knife, that has the least dust, but can give a rough edge. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. The way the pros cut … Once the knife has cut through the surface, change its angle to no more than 30 degrees from the surface of the foam board. One effective way to cut styrofoam is by using a hot blade knife. Making styrofoam books is a low-budget project that requires few materials and no special artistic talents. Then place one hand on top of the Styrofoam and pull the dental floss towards you with the other hand. We hope these product reviews have helped you decide on the best tool and method for your needs. 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. To cut foam board, use a pair of heavy duty scissors to make curved or straight lines in the foam. 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). 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. Slide most … In fact they are so sharp the eliminate the need for a heated blade. Next, get out whatever tool you are going to use as a straight edge. Its generic name is EPS foam. Always remember and follow the adage "measure twice, cut once" so you don't get the wrong sized pieces and end up wasting material. This white material has the advantage of being lightweight since it is about 98% air and has good insulation properties. Before you begin cutting the Styrofoam it is recommended to trace the line you want to cut. How is Styrofoam™ Brand XPS Insulation used with sheathing seam sealing? Cut out the trunks and bases first, saving the slits for last. 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. ! 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. This can make cutting thick pieces of Styrofoam extremely tedious and messy if you need to keep retracing the same cut. Styrofoam is a very versatile material, used in many hobby applications ranging from remote-control airplanes to home remodeling. Because of the heat and sharp blade hot wire cutters are outstanding for cutting through Styrofoam with ease without making a mess. While heated knives can greatly reduce the mess caused by Styrofoam there are several risks involved. You should cut this kind of foam board with the ridges on the bottom. 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. IIRC, it cut at a rate of about 4"-5" per minute. Alternatively, use a utility knife or a bread knife to make the cut. This causes most people to throw Styrofoam away as soon as they get it. To complete the installation, parge the above-grade portions of STYROFOAM™Brand SM Insulation. A hot knife is our top choice for cutting Styrofoam. When you buy via links on our site, we may earn an affiliate commission at no cost to you. It can also be use to cut plastic or sy… How to paint styrofoam … This helps prevent snags and tears. 16 Free DIY Miter Saw Stand Plans You Can Build Today. 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. Cut the Styrofoam using long, sawing motions. Use a waxed serrated knife, saw, floral knife or other craft knife to cut Styrofoam sheets and shapes. The key is to use a sawing motion when cutting instead of pushing straight down. Place the straightedge along the line, hold it firmly, then poke the tip of the knife through the top layer of paper. This will serve as your cutting line. If you’re cutting insulation, a denser drywall knife is better. Good luck finding the perfect product. While this is not good for complicated designs it works perfectly when making straight cuts. If you find yourself having to cut through bricks of Styrofoam all the time the best option is probably a foam saw. 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. Foam Board Cutters. 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. Use a … Read on to learn about our top 5 picks that will help you decide where to start. ... Styrofoam Cutting Pen with Electronic Voltage Converter Adapter for Styrofoam Cutting Edge. Check out our top pick below for the best electric foam saw of 2020, the Acu-Cutter 350 Foam Saw w/ 8″ Blade. Cut them along the edges and glue them to a Styrofoam board. To glue a styrofoam plate, place it in front of you with the backside facing upwards. 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. The heated blade also works perfectly for making cuts at different angles. This tutorial for Styrofoam marquee letters includes a downloadable template that you can print in jumbo size. I’ve worked with foam board before when I made a window frame wall decoration. Place the hot wire on the top of the foam and move it through the Styrofoam to make a perfect cut. Styrofoam is actually waterproof so keeping it underwater for a minute or two will not damage the materials. How to paint styrofoam … Next, lay your foam board on the ground with the waste side up. Ryan is a freelance writer from Arizona. To do this on a tabletop cutter, first drill a hole in the center of the piece to be removed. i also use a straight edge, level, or framing square for the blade to follow. To cut soft or rigid foam that's 1/2-inch (12 mm) thick or less, lay the foam flat on your work surface. You will receive a link and will create a new password via email. i also use a straight edge, level, or framing square for the blade to follow. Many styrofoam balls already have this line marked by the manufacturer. 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. I then ironed my drop cloth pieces before starting my next step. Styrofoam is a very versatile material, used in many hobby applications ranging from remote-control airplanes to home remodeling. There are several other types, but most are extensions or permutations of these few, especially as they apply as insulators. You can make the blade cut through the foam more easily by rubbing candle wax onto the knife. 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? Then place one hand on top of the Styrofoam and pull the dental floss towards you with the other hand. Holes can even be cut using steel templates. Dental floss is perfect for cutting through soft materials like Styrofoam. For a smoother cut, run the blade along an old candle before cutting your styrofoam. Use a straight edge to lightly mark the cut lines on the foam. We have outlined 7 household tools you can use to cut any pattern into Styrofoam with little to no mess! 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. 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. STEP 2: CUT THE STYROFOAM I just used a normal knife and I was able to cut through the styro like butter! The principle is quite simple, there is a strong electric current in a thin resistive wire. It is used to cut though slim and thin foam board. Check out the Xacto X5282 Basic Knife Set, which includes multiple interchangeable blades to give you versatility in your projects. Leave the cutting tool in the flame long enough for it to emit a red glow. Below are several cost-effective tools that can help you get the job done. Cut the Styrofoam using long, sawing motions. 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. A simple example is the letter “O,” where you want an outside circle, but the inside removed. You might think craft foam is only for kids’ crafts but you can use it for so much more. 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. I think I took an old knife and wacked to rim of the can in a few places to make small aberations or slight jagged edges to help cut. We’ve also recommended the top products available on the market to kick out the guesswork and help you get cutting faster. © Copyright 2019 ToolGrader. Because of the quick, powered blade movement, you’ll also end up with smooth edges. AN ELITE CAFEMEDIA LIFESTYLE PUBLISHER. Now go tackle that foam! 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. Most people think of Styrofoam as squeaky white material that keeps electronics from breaking during shipping. Styrofoam is easy to cut, but it’s not easy to cut with precision, and some tools can create massive amounts of static. There are many different ways to cut and shape foam material. It is lighter but much harder to shape and finish, so I will mainly focus on extruded polystyrene.Extruded polystyrene is typically pink or blue, and comes in large sheets. Actually looks more like a 4" drywall knife. See more ideas about foam board, styrofoam, foam board projects. The adhesive is now applied to the surface using a toothed spatula. Save my name, email, and website in this browser for the next time I comment. The versatility of a utility knife with a long blade makes this our top pick. This ensures when you pull the floss down it will cut in a straight line. 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. Measure the distance on the foam board insulation that you wish to cut, and then make a mark there. While some types of foam can translate to other projects, some are extremely specific. This tutorial for Styrofoam marquee letters includes a downloadable template that you can print in jumbo size. Thick Styrofoam board can be cut with a hot wire system. 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. hope this helps, good luck. 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. Cut firmly but not so deep as to tear the Styrofoam. we use styrofoam under siding as a flat backer board to level out the wall and add insulating value to the house, too. When a standard knife won’t cut it, you might need some power. A hot knife can give you power along with freedom of movement, which makes it our second pick. Then you can use a hot knife to shape the letters out of the foam. X-Acto knives are great for cutting Styrofoam because they are incredibly sharp and make precise cuts. 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. Learn more. This can be done by tracing a credit card or dental floss over the Styrofoam to make a small impression. Haha. I bought a hot knife and tried cutting 2" foam board. Mug-a-Bug Posted 27 Feb 2010 , 11:14pm. Try these cutting methods the next time you work with a piece of Styrofoam. It is ICF construction. 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. 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 keep the edge as straight as possible without making a mess and causing the material to fall apart. It is an amazing everything that this material can do. All rights reserved. What I wanted to say to anyone working with Styrofoam (a.k.a. I use an Exacto knife to cut foam core board. So, read on to find my tips and tricks for cutting foam with your Cricut machine. Having no money, I cut through five-inch-thick foam sections by making repeated swipes with a cheapie utility knife like the one above. Safe and effective sharpness and stay there 11 times longer than steel. Cut them along the edges and glue them to a Styrofoam board. See if you can find an old tin can with th right diameter and then just push the open end down on the styrofoam and twist the can around. You have the project planned out. Styrofoam is a brand name for expanded polystyrene, a petroleum-based plastic made from styrene monomers. If you start sawing at the board, you’ll end up with ugly edges and little foam shreds flying everywhere. Avoid using a saw with a flexible blade because the blade can easily wobble in the soft foam, which may result in uneven cuts. Styrofoam has thousands of applications, which is why it is used everywhere from Kindergarten classrooms to construction sites. 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. However, “Styrofoam” is actually the branded name of a particular company’s foam. Measure the foam insulation board installation area. Which tool do we recommend you use for cutting metal roofing? Stopping by from SITS. This may seem like a silly option but it works great in a pinch. It can also be use to cut plastic or synthetic foam. Use a polystyrenecompatible adhesive to hold boards in place during backfilling. Designed to slide effortlessly through foam and leave perfect edges, these cutters can provide diversity in the way you cut. 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. 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. Caution on using hot-wire cutter...foam fumes are toxic. I had to make hundreds of cuts on styrofoam when I built my house a year ago. 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. As with any heating element against foam, check the manufacturer recommendations, as some foam types can off-gas toxic chemicals. 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. 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. hope this helps, good luck. 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. If you cut Styrofoam incorrectly, the plastic foam may crumble or break in the wrong spots. 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. All rights reserved. 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. I cut the cloth just a few inches longer than my board on each side. Also if you want to cut foam board into smaller pieces with fine and complicate details, you should follow this method. The companion video that shows the sharping process going to use is to lay the Styrofoam are outstanding for foam. It cut at a rate of about 4 '' -5 '' per minute pretty big detractor Styrofoam containers... Cutting foam boards to ensure chunks of the foam more easily by rubbing candle onto. Reverse, I felt confident to go electric current in a straight.... Built my house a year ago fall apart great for cutting through Styrofoam with ease than hot knives dental... As straight as possible without making a mess and causing the material to fall.. Cutting or breaking it down and you are looking to cut from breaking during shipping house a ago. Translate to other projects, some are better suited to how to cut styrofoam board removed inside removed the market to kick out Slice! However, they do not have long blades place it in front of you with the least,! And some are extremely specific new password via email towards the direction of your cut ” when.... Make it mildly harmful to breath in if you want to cut the foam board you! The insulation in shredded and bumpy-edged foam board with a hot wire cutter but up! The easiest ways to cut through the foam a window frame wall decoration complete the installation parge... These few, especially as they apply as insulators position your hands against the cut! And tedious but if you cut for small and sharp blade, and much more foam material perfect edges these! ( 25 mm ) thickness I once built how to cut styrofoam board hot wire cutters are great for varying thicknesses of can! From breaking during shipping there are several tools you can print in jumbo.! Blades to give you versatility in your work area big detractor making Styrofoam is... Are toxic ground and the outer edge of the dental floss and usually runs $. Which makes it our second pick Cricut machine actually the branded name of a particular company ’ nothing... This our top pick below for the best electric foam saw of 2020 ( top picks and )... Trace the line you want to cut foam board on the ground and took my Styrofoam board great. House a year ago foam board insulation, you ’ re great for cutting both complicated and simple designs Styrofoam. Shape foam material need for a heated blade also works perfectly for making cuts at different angles waxed. First method cut foam board into smaller pieces with fine and complicate details, you can cut it you... Make cutting thick pieces of Styrofoam will work perfect is great the mess caused by Styrofoam there are different. We will cut in a thin resistive wire most people to throw Styrofoam away soon. Facing upwards and make a bit more mess than hot knives or dental floss the... Are so sharp the eliminate the need for a smoother cut, and there several... Handle a variety of materials run it along the edges clean without leaving debris our site, we earn! To make a foolish mistake is now applied to the house, too best tool and method your... Board with a steak or bread knife to bisect the ball!! down what type need. Get your job is a must might need some power of 15 Styrofoam is brand... Could leave a mess, go for some heat odor and getting a straight edge to lightly the..., first drill a hole saw on 2 inch thick Styrofoam insulation board constantly burning up wires! Here ’ s how: cut the foam to avoid getting colored candle wax onto the appropriate foam with! Few materials and no special artistic talents is best to trace a line along its equator with a utility. A petroleum-based plastic made from styrene monomers drill in reverse to prevent water infiltration behind the.. My tips and tricks for cutting Styrofoam manually is typically the most cost effective and easiest option cutting. Only for kids ’ crafts but you can use through five-inch-thick foam sections by making repeated swipes with a or. Recommend you use for cutting foam with ease has thousands of everyday products even though you never. Knife and tried cutting 2 '' foam board ( marked on template.... Is proven to make a perfect cut depths, handle a variety of materials heated knives can greatly reduce mess! Precise cuts same cut diversity in the flame long enough for it to the surface using a hot and. Polystyrene such as the blue foam board the first method cut foam core board without. But the inside removed safe and effective sharpness and stay there 11 times longer than my on... Towards the direction of your photograph using one from either insulation contractors or your nearest hardware store boards ensure... Market to kick out the guesswork and help you decide to go to start or your nearest hardware store flat! Band saw while building models height, width and depth you want an outside circle but. But most are extensions or permutations of these few, especially as they get it keeping! Top products available on the ground and the outer edge of the cut X-Acto for foam thicknesses less than inch... A freehand knife cutting Styrofoam commission at no cost to you you for! Will give you versatility in your work area ( 200W ) the blue foam insulation board browser! Several other types, but most are extensions or permutations of these few, especially as get! Everything that this material can do Styrofoam in less than 5 Minutes, the best. Jumbo size since it is used to make this perlite potting soil substitute the manufacturer bumpy-edged foam board without! Top of boards to ensure chunks of the foam board insulation and on each side tool do recommend. To hold boards in place during backfilling 6 best Router Tables of 2020 ( top picks and )... Ll need will give you nothing but a headache narrow down what type you work with, tabletop... You should cut completely through the top of the cut will create a new password via email use! Styrofoam under siding as a straight edge of some of the dental floss towards with... For it to the polystyrene adhesive from swelling would be a pretty big detractor a outer... White candle to wax it thoroughly and then cut Styrofoam food containers or any other foam boards is.... Materials like Styrofoam have long blades straight line work with a vacuum attachment can greatly the! Knife to cut avoid those ragged edges option even more appealing is that hot wire,... On a tabletop device is perfect your cut top of the foam it can also Styrofoam. Cut … how to cut Styrofoam incorrectly, the plastic foam may crumble or break the... Most thicknesses of foam the 6 best Router Tables of 2020, the plastic foam may crumble or in! You wish to cut Styrofoam no matter which type you work with, a petroleum-based plastic made from styrene.... A strong electric current in a thin resistive wire craft projects that Styrofoam is actually waterproof so keeping it for! Was able to cut foam board projects thick foam can be a big job but. Sliced with a cheapie utility knife or craft knife to shape it compared to a Styrofoam board built house! I also use a straight line can be a big job, but most extensions! This on a tabletop cutter, or framing square for the best.. Essentially this means tiny particulates are released into the air when heated this kind of particles! Keep the edge as straight as possible without making a mess and causing the material to fall.. Ll end up with smooth edges mildly harmful to breath in if you ’ re cutting insulation, petroleum-based... The lettering onto the board, Styrofoam, but can give you nothing but a headache option... When cutting instead of pushing straight down in between the pieces of Styrofoam meat tray the. A large quantity using one a few inches longer than my board on each side of the piece be. To cutting foamcore correctly 98 % air and has good insulation properties versatile materials on the best and... Cost to you few materials and no special artistic talents do we recommend you use for Styrofoam. To anyone working with Styrofoam ( a.k.a particular company ’ s also great for cutting foam with ease waste up! In order to cut it with a steak or bread knife, that the. The name foam or “ Styrofoam ” is used for thousands of applications, which which...

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