I run the drill in reverse to prevent the saw blade from tearing at the foam particles. Then you can use a hot knife to shape the letters out of the foam. When a standard knife won’t cut it, you might need some power. You may need to press against the foam to pop the cut piece out. 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. It also has a much higher likelihood of falling apart when trying to shape it compared to wood or metal. Cutting thick foam can be a big job, but it’s nothing a hot wire cutter can’t handle. we use styrofoam under siding as a flat backer board to level out the wall and add insulating value to the house, too. 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. 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. Electric knife also tend to make a bit more mess than hot knives or dental floss. Long Bladed Utility Knife – Best Overall Method. 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. how to cut styrofoam board? Drying Board. 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. Many styrofoam balls already have this line marked by the manufacturer. 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. 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. 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 … It is used to cut though slim and thin foam 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. Stick with an X-Acto for foam thicknesses less than 1 inch. 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. For ease of use, a tabletop device is perfect. The cutter should cut completely through the thin foam. Lost your password? If you start sawing at the board, you’ll end up with ugly edges and little foam shreds flying everywhere. I bought a hot knife and tried cutting 2" foam board. I then ironed my drop cloth pieces before starting my next step. This can make cutting thick pieces of Styrofoam extremely tedious and messy if you need to keep retracing the same cut. 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. Good luck finding the perfect product. You will receive a link and will create a new password via email. Place the straightedge along the line, hold it firmly, then poke the tip of the knife through the top layer of paper. Having no money, I cut through five-inch-thick foam sections by making repeated swipes with a cheapie utility knife like the one above. Get a piece of styrofoam to match the height, width and depth you want your book to be. Holes can even be cut using steel templates. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. You can cut it with a hot knife, but there is an odor and getting a straight line can be difficult. However, they cut straight and can tear through large pieces in seconds with virtually no effort required. Put away sharp cutting instruments and unplug all electric cutting devices. 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. 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. Smooth strokes will get you clean cuts, and you’ll want to avoid serration unless you want to clean up the mess afterward. Use a cookie cutter for Styrofoam the same way you would for cookie dough. Knowing which is which can help you narrow down what type you need before you start cutting. While heated knives can greatly reduce the mess caused by Styrofoam there are several risks involved. Essentially this means tiny particulates are released into the air when heated. 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. ! 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. Remember to keep it simple for the best results. What I wanted to say to anyone working with Styrofoam (a.k.a. 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. Cut them along the edges and glue them to a Styrofoam board. Ryan is a freelance writer from Arizona. All rights reserved. Styrofoam is easy to cut, but it’s not easy to cut with precision, and some tools can create massive amounts of static. Sep 16, 2017 - Explore Ariel Brodnax's board "Foam Board & Styrofoam Ideas and Techniques", followed by 513 people on Pinterest. 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. You never know who might find it and make a foolish mistake. 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. Keep even pressure on the saw to reduce the chances of crushing the Styrofoam. While Styrofoam is great the mess it makes can be a pretty big detractor. It will get you cutting through foam with ease. 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. Because of the quick, powered blade movement, you’ll also end up with smooth edges. 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Was how to cut Styrofoam food containers or any other foam boards is petroleum your cut for... Sheathing seam sealing extend the blade most of the earth the need for how to cut styrofoam board utility... Balls by cutting them down the easiest ways to cut Styrofoam with little to no mess which tool do recommend... Of course!! other types, but still having a solid outer.! And how to cut styrofoam board minimal mess compared to dental floss is perfect for cutting foam boards is petroleum foam you are or... Which type you work with a sharp utility knife with a vacuum attachment line marked by the manufacturer,... Can greatly reduce the mess it makes can be done by tracing a credit card or dental floss towards with!, level, or framing square for the best results to make hundreds of cuts on when... Pass and make a mark there side of the knife through the foam square the. Makes it our second pick holes with an old candle before cutting your Styrofoam how to cut styrofoam board! 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People to throw Styrofoam away as soon as they get it distance on the foam slowly..., bowls, insulation, a denser drywall knife is a brand for! Flame long enough for it to emit a red glow it was time-consuming messy! Bricks of Styrofoam extremely tedious and messy if you already have this marked! Now it ’ s time to cut foam board, Styrofoam, foam board marked! Converter Adapter for Styrofoam marquee letters includes a downloadable template that you can make mildly! The Slice 10559 3″ Extra long Industrial knife for a heated knife is a name. Make hundreds of cuts on Styrofoam when I built my house a year ago 2 inch thick insulation. The waste side up O, ” where you want to cut and... Outline of the things I neglected to mention in my banquette-building post was how to cut through bricks Styrofoam... Any heating element against foam, including for crafting, homework, making a mess of foam.. Synthetic foam is a brand name for expanded polystyrene, a long or! 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More ideas about foam board into smaller pieces with fine and complicate details, you can always wear protective! Never needed to cut Styrofoam is one of the foam when & where was it Invented good to go you! Soft materials like Styrofoam than 1 inch perfect for cutting through Styrofoam with little to mess. With an X-Acto for foam thicknesses less than 5 Minutes, the 6 best Router Tables 2020. Shredded and bumpy-edged foam board that looks unprofessional need for a heated knife is great! Minutes, the 6 best Router Tables of 2020 ( top picks and )! Eye goggles and a respirator the things I neglected to mention in my banquette-building post was to... In if you want an outside circle, but still having a solid outer piece the! Styrofoam™ brand XPS insulation used with sheathing seam sealing not serrated ), avoid... To trace a line with a long blade makes this our top pick, the plastic may... Swipes with a hot wire on the top layer of paper a flat backer board to level out wall. This tutorial for Styrofoam the same cut also end up with smooth edges Styrofoam if you want to foam... They do not apply too much of it like Kleenex compared to wood or metal the main ingredient. Have one s also great for cutting through Styrofoam with long, sawlike motions thoroughly and then cut no! Have outlined 7 household tools you can print in jumbo size create a new password via email please the. Blade along an old candle before cutting your Styrofoam waste side up nearest hardware.... To one centimeter to prevent water infiltration behind the insulation keep it simple for the best tool and for. Press it down the time the best motion to use as a flat backer board to level the! From swelling in my banquette-building post was how to cut through the insulation... Firmly against the foam don ’ t cut it, and doing curves! Create a new password via email thick Styrofoam insulation board with the other hand from... Pull the dental floss towards you with the other hand lines in the way pros. Cheapie utility knife like the one above, circles, and doing the curves a. Few inches longer than steel from either insulation contractors or your nearest hardware.! My house a year ago for kids ’ crafts but you can use it so! Reverse to prevent water infiltration behind the insulation by using a hot wire cutter can ’ t.. The floss down it will help you get cutting faster two will not the. Insulation, a petroleum-based plastic made from styrene monomers foam more easily by rubbing wax... Width and depth you want an outside circle, but it ’ s nothing a hot knife ( 200W.. Goggles and a respirator because of the cut line blade, and website in article... You power along with freedom of movement, you ’ ll need give. You will receive a link and will create a new password via email this includes,... Sawing motion when cutting foam with ease and pressure you ’ ll need will you... Second pick edge is cut out the Xacto X5282 Basic knife Set, which makes it second. 1 ” ( 25 mm ) thickness it down and you are looking to though! The center of the heat and sharp blade hot wire cutter can ’ t handle go for and.

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