Mr. There’s a Better Way: Cutting Rigid Insulation By Chuck Miller When Chris Ellis of Brewster, Mass., was looking for the right tool to cut rigid-foam insulation, he tried a utility knife, a kitchen knife, and a saw. It's better for your markings to be a few inches or centimeters too large at first than too small. Tim 08-14-2009, 07:08 PM #3. We sprayed both sides of a thin-blade of a circular saw with Pam or other cooking spray. Expert Interview. Bullet Tools tells us that the CenterFire Circular Saw Blades will cut through laminated rigid foam facings including paper, aluminum foil, roofing felt, and mylar/plastic film. Josh Oduin shows off the durable, zero-maintenance siding materials he used on his personal cabin project in Leavenworth, Wash. No math, no measuring—just a simple jig made from an elastic band is all you need to lay out a good-looking deck railing. Although most table saws work well for cutting foam, you can purchase a specialized foam cutting saw online or at many home improvement stores. This article has been viewed 69,265 times. 18 August 2020. The base of the circular saw, called the shoe, rests on top of the material being cut. 99 $59.99 $59.99 What is the best way to cut foam board insulation? For more information, contact CenterFireInfo@BulletTools.com or … Gloves do not offer enough protection from a saw's blade and the fabric can get caught in the machinery. If you want to insulate a certain area while reducing moisture and mildewing, rigid insulation foam is a perfect choice. ! 2. The battery saw is the way to go. HOW WE USE COOKIES: We use cookies and similar technologies to improve our website, to personalize website content to you, and to deliver advertising messages and offers on content that are relevant to you. New - More sizes Available in my Other Listings . Start your subscription today and save up to 52%. ... Use an abrasive blade such as used to cut stone etc. What is the best way to cut rigid insulation? As long as you cut the foam carefully and with the right tools, any amateur home repairman can make a precise incision in rigid insulation foam. I'd cut on the concrete floor using a thin piece of plywood as the straight edge. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Handyman. You risk accidentally scratching the table. In this video I demonstrate and review two jigsaw blades designed for cutting foam and other soft material for terrain and game board building. Read your electric saw's instructions before using the saw to make sure you use it safely. This article has been viewed 69,265 times. Segmented blades are also known as box cutters. You can use an ordinary circular saw, equipped with a diamond blade, to wet-cut your marble. This article was co-authored by Lui Colmenares. Rigid PVC foam or expanded PVC is a high quality material used for sign construction and craft projects. I use to cut it on the job with a circular saw with a plywood blade and use a straight edge or chalk line. Wear a dust mask if cutting EPS and of course its best to do this outside. 160mm / 6.299" - 20mm / 0.787" Arbor - CenterFire Foam Cutting Blade for Ridgid Foam Insulation - Circular. Avoid wearing long sleeves, ties, jewelry, or loose-fitting clothes while using the saw. We did come up with another idea when we had to cut a LOT of foam board. CenterFire Foam Blade cleanly slices EPS, XPS, and Poly-Iso and eliminates over 95% of static foam dust. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. Depending on the blade installed – a circular saw can cut plywood, lumber, rigid foam board, concrete, or metal. A handheld circular saw, one with a 4 to 4.5 inches (10 to 11 cm) blade, can also be used to cut through the insulation. Drilling Holes in … Posted by 3 years ago. Cutting through the tar material and sheathing will typically require a depth of 1 to 1 1/4 inches. Make a second cut to fully cut through the foam. - M.K. CenterFire Foam Blade cleanly slices EPS, XPS, & Poly-ISO and eliminates over 95% of static foam dust. CenterFire Dust Free Foam Blade for cutting EPS, XPS & Poly-ISO insulation 4.2 out of 5 stars 59 $47.99 $ 47 . A saw blade normally burns the foam and gunks up. Did you know you can read premium answers for this article? Now with new high-tech ceramic coating for even cleaner cutting! DUST-FREE FOAM BLADES PRT-MKT-1500.Rev.F.7.16 ©2016 Bullet Tools CenterFire™ blades are the only circular saw blades that cut rigid foam without making a mess. The material is similar to a Styrofoam cup not the blue foam sheets. [1] X Research source For more precise measurements, check the length and width 2-3 times. If you’re cutting the rigid foam for a specific project, measure the length and width you’ll need. This foam cutting saw has a base that rides on tiny wheels to prevent friction, and the large area of the base keeps the blade straight up and down. So Chris created something that works beautifully. Like it! Thanks for the options. If you're cutting the rigid foam for a specific project, measure the length and width you will need it to be. You can purchase segmented blades online or at most hardware stores. Support wikiHow by Gillard can give advice based on many years of experience in cutting rigid plastics with fly-knife cutters. Thanks to specifically placed cutouts in the blade, the saw will be able to handle rigid foam without a lot of problems. To learn how to cut rigid foam insulation with a putty knife, keep reading! I've found that a circular saw cut made with a high-quality blade can be every bit as good as a cut from the table saw. If you want to insulate a certain area while reducing moisture and mildewing, rigid insulation foam is the perfect material. The blade would get stuck. Foam beneath circular saw. Always keep your hands at least 6 inches (15 cm) away from the blade at all times. When Chris Ellis of Brewster, Mass., was looking for the right tool to cut rigid-foam insulation, he tried a utility knife, a kitchen knife, and a saw. Lui is trained and educated as an industrial engineer and specializes in carpentry, painting, and general handyman work such as mounting TVs, doorknob and deadbolt installation, furniture assembly, tile repair, and grouting. If you heat the knife beforehand, use safety precautions around the fire. How do you cut a 2-inch rigid foam insulation? Install a 7 ¼" plastic cutting saw blade in the circular saw. Bullet Tools - CC52-1507 7.25 in. The sample cuts in chip-prone oak plywood show the difference a good blade can make. Handy NYC based in New York City, New York. The Gillard range of circular blade saw cutters provide the alternative to a rotary cutter for larger profiles & pipes and more rigid polymers, such as high-impact PS & ABS. Archived. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. The second saw worked Z. Anyway, the sharper the knife the better. Also, to avoid ripping the top when cutting across, score a thin trench first, then deeper on each pass. The dust free foam cutting line of CenterFire blades will keep the snowman (and blue man and pink man) away. After watching this vid a little while ago I used the sharpened putty knife to do my basement in November going through a few dozen 2" sheets of extruded foam and the approach works very well. If you need a more precise cut, use an electric saw to cut your rigid foam. © 2021 The Taunton Press, Inc. All rights reserved. Never wear gloves while operating a table saw. RIDGID Circular Saws feature powerful motors, lightweight frames, a variety of blades and ergonomic handles for user comfort. Report as spam. Do not cut rigid foam insulation on decorative tables unless you lay out a protective barrier, like a knife block. When I need a perfect cut with a circular saw, I use a guide. Unlock premium answers by supporting wikiHow, https://www.styro.net/PDF/Flyers/Install/InstallRigidFoam.pdf, https://www.youtube.com/watch?v=KuFWRTEULD0&feature=youtu.be&t=53, https://www.proremodeler.com/how-install-exterior-rigid-foam-part-1, https://www.greenandgrowing.org/rigid-foam-insulation-101/, http://www.core77.com/posts/17816/how-to-cut-foam-the-dumb-way-the-expensive-way-and-the-brilliantinexpensive-diy-way-17816, https://www.tru.ca/hsafety/workinglearningsafely/work/tablesaw.html, https://www.youtube.com/watch?v=bGcCvd0qnQg&feature=youtu.be&t=125, http://www.finehomebuilding.com/2009/01/29/theres-a-better-way-cutting-rigid-insulation, https://www.youtube.com/watch?v=Ezi7FTcW_vY&feature=youtu.be&t=3, https://hackaday.com/2018/02/08/build-a-tiny-hot-wire-foam-cutter/, consider supporting our work with a contribution to wikiHow. ... or if you only plan to cut foam once and want a simpler set up then use a car battery and adjust the length and/or gage of wire to get the heat right. To cut the insulation, all you’ll need is a utility knife or an electric saw. I cut several sheets with a circular saw before this and the sharp putty knife is cleaner (no dust), quieter, and much faster, not to mention more accurate, too. Step 3 % of people told us that this article helped them. If you don't have a way of making a perfectly straight cut don't worry, we'll only be using the factory edge. Shipping USA Only Compare these dimensions to the length and width that your rigid foam insulation currently has to make sure it's long and wide enough. Set the depth of cut on the circular saw to just over 1/4" (the thickness of the panel) and cut along the line. You can always cut more foam later, if necessary. Handy NYC prides itself on quality work performed with speed, skill, and punctuality. Z. Cut it outside, it can make a mess. Include your email address to get a message when this question is answered. For more precise measurements, check the length and width 2-3 times. I recommend using a circular saw jig, or a circular saw guide to keep your cuts straight and to prevent the blade from wandering. Mark the factory edge of one of the 8' lengths of the hardboard with some arrows and mark a cut line 3" from that edge. Thanks to all authors for creating a page that has been read 69,265 times. The simpliest guide is just clamping a long, straight edge to the sheet of plywood, positioned so the foot of your circuclar saw follows the straight edge. All you need is either a utility knife or an electric saw to make clean cuts. Mr. Now I will try it.". Lui is trained and educated as an industrial engineer and specializes in carpentry, painting, and general handyman work such as mounting TVs, doorknob and deadbolt installation, furniture assembly, tile repair, and grouting. I have a lot of cutting to do in 4' x 8' Styrofoam sheets. Place the acrylic sheet on top of the rigid foam insulation, and mark the line to be cut. The dust free foam cutting line of CenterFire blades will keep the "snowman" (and blueman and pinkman) away. As Chuck Miller demonstrates in this video tip, a 2-in. You can stack the foam board to the depth your circular saw cuts, but will have to reapply cooking spray fairly often. Micro-Adjust Deck-Baluster Spacing for an Eye-Deceiving Layout, Podcast 315: Perfect Roofs, Heated Decks, and Multifamily High Performance, What We Need To Leave Behind To Build Better in 2021, Podcast 313: Pony Studs, Cold Floors, and Hiding Foundation Insulation, Plus, get an extra 20% off with code GIFT20, Simple Way to Make Old Walls Straight and Plumb, Expert insights on techniques and principles. It cuts like butter with an extremely clean cut when run through a table saw. To learn how to cut rigid foam insulation with a putty knife, keep reading! Handy NYC prides itself on quality work performed with speed, skill, and punctuality. A lot less mess than a regular saw blade and the edges are nice and sharp. This will keep the rigid foam insulation from shifting or sliding while you cut it. dave Just make sure you have a very straight edge to work with (a factory cut plywood edge is what I use). By doing this, the saw will cut on the waste side, and you won’t do any significant damage to the wanted piece should the saw wander away from the cut line. Unfortunately, this is not a great option if you are working with finer or more delicate foam, as it will tend to be torn and destroyed. An expert shows how to escape. I wish I’d had Bullet Tools’ new carbon-steel Centerfire 7 1/4-inch and 10-inch circular-saw blades. I want to keep the mess down so I don't want to hand saw it, plus I … Unlike some insulating materials, rigid insulation foam is simple to cut. Fit the circular saw with the carbide chunk blade. Thinner sheets of rigid PVC foam require no power tools to produce a sharp clean cut, but thicker materials require power saws with blades designed for cutting plastic. putty knife with a sharpened blade cuts through the foam like butter. The 7.25 in. By signing up you are agreeing to receive emails according to our privacy policy. I cut long piece using my battery operated circular saw. Saw Blade Diameter The 10 in. I need to cut strips lengthwise and as many as 3 cuts per sheet, over 250 sheets. It is tested to cut roughly 25,000 feet before sharpening is required. I cannot imagine a better way to do it, thanks! There are 16 references cited in this article, which can be found at the bottom of the page. If the insulation is 2" thick the blade just leaves a hair to cut with a knife. I can confidently say that I expect to be a life-long subscriber." Lui Colmenares. Support wikiHow by Foam beneath circular saw. Cut rigid foam to size without making a mess. Lui Colmenares is a handyman and licensed home improvement contractor for Mr. unlocking this expert answer. in a circular saw. For a regular straight cut, the shoe and the blade are at a 90-degree angle. Close. thick piece of rigid foam. It’s a good idea to prepare a rigid foam board insulation to use when making cuts with a circular saw because the foam board is a sturdy surface for large pieces of plywood. The methods used to cut rigid PVC foam are similar to cutting standard PVC sheets, and like standard PVC, cutting methods vary depending on the thickness of the material. I tried different batteries but got the same result. Check Photos for Details . Set the saw’s blade to the desired depth. By using our site, you agree to our. Melt through an insulation sheet, such as one made from polystyrene using a heated cutting tool or … They are available in corded and cordless versions. I?m on my second 5x generation cordless circular saw in 3 months. Protect your marble slab by placing it on a 2-in. I believe there was a brief discussion in a recent episode as well. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/05\/Cut-Rigid-Foam-Insulation-Step-1.jpg\/v4-460px-Cut-Rigid-Foam-Insulation-Step-1.jpg","bigUrl":"\/images\/thumb\/0\/05\/Cut-Rigid-Foam-Insulation-Step-1.jpg\/aid9791756-v4-728px-Cut-Rigid-Foam-Insulation-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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