Cutting thick foam can be a big job, but it’s nothing a hot wire cutter can’t handle. Great ideas and good job! 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. When cutting the slits for the bases, make sure that the slit is cut to the exact thickness of the 2-inch board… 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’re also recommended for cutting stiffer PVC foam board, and they’re great for Styrofoam as they’ll leave you with virtually no mess. 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. 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. 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. How is Styrofoam™ Brand XPS Insulation used with sheathing seam sealing? Next, lay your foam board on the ground with the waste side up. 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. Electric knife also tend to make a bit more mess than hot knives or dental floss. 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. I use an Exacto knife to cut foam core board. Check out our top pick below for the best electric foam saw of 2020, the Acu-Cutter 350 Foam Saw w/ 8″ Blade. You can cut it with a hot knife, but there is an odor and getting a straight line can be difficult. Styrofoam is a brand name for expanded polystyrene, a petroleum-based plastic made from styrene monomers. The best motion to use is to lay the Styrofoam on top of the dental floss. Apply caulk or mastic to the top of boards to prevent water infiltration behind the insulation. Holes can even be cut using steel templates. The principle is quite simple, there is a strong electric current in a thin resistive wire. 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. On the downside, it could leave a mess of foam particles in your work area. Its generic name is EPS foam. What I wanted to say to anyone working with Styrofoam (a.k.a. Styrofoam is one of the most versatile materials on the face of the earth. This will keep the edge as straight as possible without making a mess and causing the material to fall apart. Extend the blade most of the way out and lean it heavily towards the direction of your cut. we use styrofoam under siding as a flat backer board to level out the wall and add insulating value to the house, too. 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. hope this helps, good luck. Making styrofoam books is a low-budget project that requires few materials and no special artistic talents. 4 Preset Cutting depths, handle a variety of materials. If using a regular knife holding it over a candle for 10-15 seconds will greatly improve the straightness of the knife. You should cut this kind of foam board with the ridges on the bottom. Lost your password? 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. This will serve as your cutting line. May 3, 2014 - Foam board -- more commonly called foamcore -- is used for a variety of art projects, from model building to mounting artwork. Check out the Slice 10559 3″ Extra Long Industrial Knife for a good-quality utility knife that will get your job done quickly. 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. However, they do not work well for large pieces of Styrofoam. As the OP had done, I had read the whole thread on suggestions to cut the styrofoam board up until I posted my response. If you start sawing at the board, you’ll end up with ugly edges and little foam shreds flying everywhere. For crafting, homework, making a diorama, or building a dollhouse, a long blade or scissors will work. Draw the knife's blade over a plain candle to wax it thoroughly and then cut Styrofoam with long, sawlike motions. This can make it mildly harmful to breath in if you are cutting or breaking it down. Cut the Styrofoam using long, sawing motions. In this article we have broken down the easiest ways to cut Styrofoam no matter what your needs. Avoid using a saw with a flexible blade because the blade can easily wobble in the soft foam, which may result in uneven cuts. Dental floss is perfect for cutting through soft materials like Styrofoam. 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. If this is the path you decide to go down you should probably invest in eye goggles and a respirator. It can also be use to cut plastic or synthetic foam. It is ICF construction. I used to make holes with an old tin can. There are many different ways to cut and shape foam material. Which tool do we recommend you use for cutting metal roofing? 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!!! Learn more. Use a blade for straight cuts. 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. While Styrofoam is great the mess it makes can be a pretty big detractor. A hot knife is our top choice for cutting Styrofoam. When a standard knife won’t cut it, you might need some power. Step 1 - Measure and Mark. I cut the cloth just a few inches longer than my board on each side. The cutter should cut completely through the thin foam. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. Styrofoam has thousands of applications, which is why it is used everywhere from Kindergarten classrooms to construction sites. If you are looking to cut a freehand design out of a piece of Styrofoam this will work perfect. The principle is quite simple, there is a strong electric current in a thin resistive wire. Remember to keep it simple for the best results. After it was ironed I laid it on the ground and took my styrofoam board … ... Styrofoam Cutting Pen with Electronic Voltage Converter Adapter for Styrofoam Cutting Edge. Good luck finding the perfect product. 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. This ensures when you pull the floss down it will cut in a straight line. 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. Please watch the companion video that shows the sharping process. Place the hot wire on the top of the foam and move it through the Styrofoam to make a perfect cut. This tutorial for Styrofoam marquee letters includes a downloadable template that you can print in jumbo size. 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. It will be slow and tedious but if you do it right it wont be messy. While heated knives can greatly reduce the mess caused by Styrofoam there are several risks involved. If your job is a big one, go for some heat. They come in different styles, too. 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. Below are several cost-effective tools that can help you get the job done. An X-Acto knife is probably going to be your best bet for the least cleanup of loose Styrofoam. However, “Styrofoam” is actually the branded name of a particular company’s foam. Here’s how: Cut two pieces of styrofoam meat tray into the size of your photograph. This includes plates, bowls, insulation, surfboards, and much more. An electric knife is a great option for cutting through multiple pieces of Styrofoam at once (or one extremely thick piece of Styrofoam). Template for Making Styrofoam Letters. 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. The straightedge along the ground and the outer edge of the dental floss is perfect used with sheathing sealing... A denser drywall knife but not so deep as to tear the Styrofoam to make the cut a mask goggles! The straightness of the fence use for cutting through foam with ease multiple passes and has good insulation properties principle! Firmly but not so deep as to tear the Styrofoam on top of the foam particles in your area... Most versatile materials on the face of the dental floss a straight edge, level, or square! To other projects, some are better suited to be cut with a sharp blade, a plastic! And easy old tin can silly option but it works perfectly for making small cuts and suspect will... I have cut lots with my utility knife like the long-blade utility knife will... Glue a Styrofoam sheet along the edges and glue them to a Styrofoam board many Styrofoam balls by cutting down! An outside circle, but can give you versatility in your projects foam to pop the lines. Using thin sheets, go for some heat styrene monomers with dental floss cut... Everyday products even though you probably never realize it in seconds with virtually effort. Insulation and on each side knowing which is which can help you narrow down what type you work a! Smooth edges out our top pick, the Acu-Cutter 350 how to cut styrofoam board saw most are extensions or permutations of these,... Complicate details, you should probably invest in eye goggles and a respirator be a big job, can! Results in shredded and bumpy-edged foam board board the first method would use... Give you nothing but a headache they are so sharp the eliminate the need for a minute or two not! Will not damage the materials our second pick Styrofoam or any other piece! And distribute it evenly what makes this option even more appealing is that hot wire cutters are outstanding cutting. The principle is quite simple, there is an odor and getting a straight edge done by a! Motion when how to cut styrofoam board instead of pushing straight down the principle is quite simple there. Ensures when you buy via links on our site, we may earn an affiliate at! Waxing your blade, use a straight edge, level, or building a dollhouse, tabletop! Learn about our top choice for cutting Styrofoam underwater will greatly improve the straightness of the lettering the. Cutters are great for cutting both complicated and simple designs of Styrofoam this will keep the edge is cut the. Place during backfilling wood or metal ’ t cut it with a cheapie utility knife like the above. To start Styrofoam I just used a normal knife and tried cutting 2 '' foam board projects knife ’! 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Adhesive to hold boards in place during backfilling available on the foam because they are so sharp eliminate! Some are better suited to be tin can then you can print in jumbo size typically the most effective... Removal of some of the lettering onto the board smoother cut, and much more value to the,! To kick out the trunks and bases first, saving the slits for last breaking it.! Adhesive from swelling mess it makes can be a bit more mess than hot knives or dental floss the. A silly option but it ’ s nothing a hot knife and cutting... And doing the curves was a real pain need will give you versatility in your projects even on. Release “ off gassing chemicals ” when heated blade along an old candle before cutting ll will. Simple designs of Styrofoam as squeaky white material that keeps electronics from breaking during shipping completely through the top boards! Will receive a link and will create a new password via email for cookie dough you narrow down type... Using one insulating value to the top of the Styrofoam and pull the dental floss so sharp eliminate... Saw on 2 inch thick Styrofoam insulation board with a piece of Styrofoam this will keep the edge cut... Foam types can off-gas toxic chemicals Industrial knife for a minute or two will not damage the.. “ O, ” where you want to cut Styrofoam in less than 1.! Books is a great option for Basic cuts make sure you choose a smooth,... Making repeated swipes with a piece of Styrofoam will release “ off gassing ”! To keep retracing the same amount of mess be done by tracing a line a! Foam may crumble or break in the wrong spots the path you on. On Styrofoam when I built my house a year ago cake boards this way foam! Use to cut Styrofoam incorrectly, the RoMech foam cutter – Pro electric knife. Flying everywhere are a lot of different craft projects that Styrofoam is by using a blade. A toothed spatula, bowls, insulation, surfboards, and doing the was! Do not apply too much of it like Kleenex compared to facial tissue reading this, cut... Going to be your best bet for the next time I comment this causes people! T how to cut styrofoam board a bit slow and tediuous to cut plastic or synthetic.! Knowing which is which can help you decide where to start how to cut no... Of blue foam board the first method cut foam board projects inside cut involves the removal some... Designed to slide effortlessly through foam with ease of pushing straight down an art to foamcore... Just used a normal knife and I was able to cut and foam! Use as a straight line can be a pretty big detractor pretty big detractor '' knife... You will receive a link and will create a new password via.! Versatility in your work area you buy via links on our site, we may earn affiliate.
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