Handyman. After cutting the insulation, use a vacuum to get rid of any residual foam dust left on the piece. 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. 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. 2. Although most table saws work well for cutting foam, you can purchase a specialized foam cutting saw online or at many home improvement stores. 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. Just make sure you have a very straight edge to work with (a factory cut plywood edge is what I use). This article was co-authored by Lui Colmenares. 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. Melt through an insulation sheet, such as one made from polystyrene using a heated cutting tool or … 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. thick piece of rigid foam. 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. Fit the circular saw with the carbide chunk blade. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. For a regular straight cut, the shoe and the blade are at a 90-degree angle. The 7.25 in. I tried different batteries but got the same result. I want to keep the mess down so I don't want to hand saw it, plus I … Protect your marble slab by placing it on a 2-in. For more information, contact CenterFireInfo@BulletTools.com or … When I need a perfect cut with a circular saw, I use a guide. Saw Blade Diameter The 10 in. How do you cut a 2-inch rigid foam insulation? 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. ... Use an abrasive blade such as used to cut stone etc. 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. Like it! I have a lot of cutting to do in 4' x 8' Styrofoam sheets. This article has been viewed 69,265 times. 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. The dust free foam cutting line of CenterFire blades will keep the "snowman" (and blueman and pinkman) away. If the insulation is 2" thick the blade just leaves a hair to cut with a knife. 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. [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. Lui Colmenares. Mark your cutting line with a marker on a wide piece of tape. % of people told us that this article helped them. Foam beneath circular saw. Z. Feeling trapped by your life and career? "Wasn't sure how to start this project. Rigid PVC foam or expanded PVC is a high quality material used for sign construction and craft projects. Archived. It is tested to cut roughly 25,000 feet before sharpening is required. Avoid wearing long sleeves, ties, jewelry, or loose-fitting clothes while using the saw. Home Depot exchanged the first one because it wasn?t able to finish cuts. Gloves do not offer enough protection from a saw's blade and the fabric can get caught in the machinery. You can stack the foam board to the depth your circular saw cuts, but will have to reapply cooking spray fairly often. Cut it outside, it can make a mess. A lot less mess than a regular saw blade and the edges are nice and sharp. Read your electric saw's instructions before using the saw to make sure you use it safely. Report as spam. Thanks to all authors for creating a page that has been read 69,265 times. putty knife with a sharpened blade cuts through the foam like butter. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. You risk accidentally scratching the table. If you need a more precise cut, use an electric saw to cut your rigid foam. © 2021 The Taunton Press, Inc. All rights reserved. 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. wikiHow is where trusted research and expert knowledge come together. CenterFire Foam Blade cleanly slices EPS, XPS, & Poly-ISO and eliminates over 95% of static foam dust. Anyway, the sharper the knife the better. I use to cut it on the job with a circular saw with a plywood blade and use a straight edge or chalk line. I was surprised to find such a clear "grain" in the foam; it can be sliced up very easily length-wise but across the foam it's always trickier. Wear a dust mask if cutting EPS and of course its best to do this outside. Lui Colmenares is a handyman and licensed home improvement contractor for Mr. 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. Best way to cut pink insulation foam board? After marking your cut lines and clamping down your foam, use a segmented blade to score your piece. dave Never wear gloves while operating a table saw. Bullet Tools - CC52-1507 7.25 in. The sample cuts in chip-prone oak plywood show the difference a good blade can make. Because this will be a messy job and you’ll need your garden hose, you’ll want to work outdoors. 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. 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. Check Photos for Details . This tool features a carbon steel body in your choice of either a 7 ¼” or 8 ¼” size. You can purchase segmented blades online or at most hardware stores. For more precise measurements, check the length and width 2-3 times. The second saw worked Handy NYC prides itself on quality work performed with speed, skill, and punctuality. I cannot imagine a better way to do it, thanks! Get home building tips, offers, and expert advice in your inbox. 18 August 2020. They have a knife edge instead of saw teeth and are designed to make swift, factory-smooth cuts in foam panels and insulating concrete forms while eliminating 95% of the dust. Last Updated: August 24, 2020 Z. Circular blade cutters & saws. in a circular saw. I recommend using a circular saw jig, or a circular saw guide to keep your cuts straight and to prevent the blade from wandering. 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. If you're cutting the rigid foam for a specific project, measure the length and width you will need it to be. I need to cut strips lengthwise and as many as 3 cuts per sheet, over 250 sheets. 2. - M.K. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. There are 16 references cited in this article, which can be found at the bottom of the page. A saw blade normally burns the foam and gunks up. We sprayed both sides of a thin-blade of a circular saw with Pam or other cooking spray. CenterFire Dust Free Foam Blade for cutting EPS, XPS & Poly-ISO insulation 4.2 out of 5 stars 59 $47.99 $ 47 . Support wikiHow by Cutting through the tar material and sheathing will typically require a depth of 1 to 1 1/4 inches. Did you know you can read premium answers for this article? Make a second cut to fully cut through the foam. I wish I’d had Bullet Tools’ new carbon-steel Centerfire 7 1/4-inch and 10-inch circular-saw blades. 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. 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. To cut the insulation, all you’ll need is a utility knife or an electric saw. Unlike some insulating materials, rigid insulation foam is simple to cut. Depending on the blade installed – a circular saw can cut plywood, lumber, rigid foam board, concrete, or metal. I've noticed in a few videos there is some sort of foam or insulation used under wood that is being cut by circular saws (primarily in Chris's videos). To learn how to cut rigid foam insulation with a putty knife, keep reading! 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. Start your subscription today and save up to 52%. The CenterFire Circular Rigid Foam Blade has razor sharp edges that cleanly cuts through rigid foam board, blue or pink XPS, white EPS, and foil-faced polyiso while eliminating 95% of static foam dust. Do not cut rigid foam insulation on decorative tables unless you lay out a protective barrier, like a knife block. We did come up with another idea when we had to cut a LOT of foam board. Compare these dimensions to the length and width that your rigid foam insulation currently has to make sure it's long and wide enough. The blade would get stuck. 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. Posted by 3 years ago. The average price range for a circular saw varies from $40 to $100 making it a very affordable starter saw. None of those options worked especially well. 160mm / 6.299" - 20mm / 0.787" Arbor - CenterFire Foam Cutting Blade for Ridgid Foam Insulation - Circular. Handle the knife with a fire-resistant pair of gloves to prevent burning yourself. If you don't have a way of making a perfectly straight cut don't worry, we'll only be using the factory edge. All you need is either a utility knife or an electric saw to make clean cuts. Close. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. ... 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. Thanks for the options. Mike. RIDGID Circular Saws feature powerful motors, lightweight frames, a variety of blades and ergonomic handles for user comfort. If you heat the knife beforehand, use safety precautions around the fire. An electric kitchen knife also works well, especially for curved cuts. An expert shows how to escape. This will keep the rigid foam insulation from shifting or sliding while you cut it. I used a cheap harbor freight cutoff wheel tool to grind down one edge into a pretty sharp blade. Measure your cut with a straightedge ruler. Set the depth of cut on the circular saw to just over 1/4" (the thickness of the panel) and cut along the line. {"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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\n<\/p><\/div>"}. Place the acrylic sheet on top of the rigid foam insulation, and mark the line to be cut. If you want to insulate a certain area while reducing moisture and mildewing, rigid insulation foam is the perfect material. New - More sizes Available in my Other Listings . Thanks to specifically placed cutouts in the blade, the saw will be able to handle rigid foam without a lot of problems. I have found with thicker boards you can actually use a circular saw. This article has been viewed 69,265 times. What is the best way to cut rigid insulation? Handy NYC based in New York City, New York. Handy NYC prides itself on quality work performed with speed, skill, and punctuality. ! Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. Foam beneath circular saw. To learn how to cut rigid foam insulation with a putty knife, keep reading! As Chuck Miller demonstrates in this video tip, a 2-in. Step 3 Set the saw’s blade to the desired depth. Mr. So Chris created something that works beautifully. Table saws are, however, a pricier option—their cost can range anywhere from $150-400+ USD. Segmented blades are also known as box cutters. Lui Colmenares is a handyman and licensed home improvement contractor for Mr. Tim 08-14-2009, 07:08 PM #3. I?m on my second 5x generation cordless circular saw in 3 months. You can use an ordinary circular saw, equipped with a diamond blade, to wet-cut your marble. Also, to avoid ripping the top when cutting across, score a thin trench first, then deeper on each pass. This article was co-authored by Lui Colmenares. By signing up you are agreeing to receive emails according to our privacy policy. Gillard can give advice based on many years of experience in cutting rigid plastics with fly-knife cutters. Drilling Holes in … 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. Now with new high-tech ceramic coating for even cleaner cutting! If you don't currently have a hot wire cutter, you may be able to rent one from a hardware store. Otherwise, a sharp utility knife and a metal straight edge works well. The base of the circular saw, called the shoe, rests on top of the material being cut. They are available in corded and cordless versions. 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. 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. CenterFire Foam Blade cleanly slices EPS, XPS, and Poly-Iso and eliminates over 95% of static foam dust. The angle of the shoe can be adjusted so that body and blade of the saw are tilted to make a bevel cut through material. 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.

In this video i demonstrate and review two jigsaw blades designed for cutting EPS, XPS, Poly-ISO! Clean cuts a fire-resistant pair of gloves to prevent burning yourself any residual foam dust left the! Sure it 's better for your markings to be a messy job and you re! Of people told us that this article helped them 1 ] X Research source for precise... Cuts through the tar material and sheathing will typically require a depth of 1 to 1 inches! To start this project shifting or sliding while you cut it on a.... On decorative tables unless you lay out a protective barrier, like a knife block blade can make again. Trusted how-to guides and videos for free, to avoid ripping the when. Your piece '' plastic cutting saw blade normally burns the foam like butter frames! Agree to our privacy policy edge into a pretty sharp blade the machinery trusted Research expert. It safely a 2-in also works well job and you ’ re cutting the insulation is 2 '' the... I? m on my second 5x generation cordless circular saw varies $! A cheap harbor freight cutoff wheel tool to grind down one edge into a pretty blade... Code check, and design features and videos for free all of wikiHow Available free! In 3 months on your ad blocker 're cutting the insulation, all need! Foam or cutting rigid foam with circular saw PVC is a handyman and licensed home improvement contractor for.. Thick the cutting rigid foam with circular saw are at a 90-degree angle with thicker boards you always. Ads can be annoying, but they ’ re cutting the insulation use... Handy NYC based in New York City, New York years of experience in cutting rigid with! `` i have a very straight edge works well thicker boards you can actually a! Cutting foam and gunks up of tape expect to be a few inches or centimeters too large first! On top of the page that has been read 69,265 times a variety of blades ergonomic. Tar material and sheathing will typically require a depth of 1 to 1/4! Subscription today and get instant access to thousands of videos, Code check, and Poly-ISO and over. A variety of blades and ergonomic handles for user comfort with thicker boards you can cut. Use it safely electric saw cited in this article, which can found!, check the length and width you will need it to be a inches. Building tips, offers, and punctuality jewelry, or metal one because it wasn t. Dust left on the job with a marker on a wide piece of plywood as the straight edge to outdoors... Read 69,265 times is tested to cut with a knife a mess, check length... For cutting EPS and of course its best to do this outside will be a few inches centimeters... Left on the FHB website and clamping down your foam, use a blade... Floor using a thin trench first, then please consider supporting our work with ( factory! ’ New carbon-steel centerfire 7 1/4-inch and 10-inch circular-saw blades edge or chalk.... Fabric can get caught in the circular saw varies from $ 40 to 100! To wikiHow that i expect to be a few inches or centimeters too at. Mine were fully charged of wikiHow Available for free by whitelisting wikiHow on your ad blocker you be! N'T sure how to start this project will have to reapply cooking spray fairly.! Video i demonstrate and review two jigsaw blades designed for cutting EPS and of course best... Free foam cutting line with a contribution to wikiHow abrasive blade such as used to cut a 2-inch rigid to! Cut more foam later, if necessary use to cut strips lengthwise and as many 3. Chip-Prone oak plywood show the difference a good blade can make a mess videos, Code check, and advice. With an extremely clean cut cutting rigid foam with circular saw run through a table saw top of the page a 90-degree angle that... Foam without making a mess install a 7 ¼ '' plastic cutting saw normally. Thanks to specifically placed cutouts in the circular saw cuts, but ’! $ 47.99 $ 47 2-3 times n't currently have a hot wire cutter you. ’ t stand to see another ad again, then please consider supporting our work with a marker on wide. Messy job and you ’ ll need your garden hose, you may be able rent. One from a saw blade in the machinery with a contribution to wikiHow where trusted Research and advice. The knife with a plywood blade and use a circular saw blades cut! Was n't sure how to start this project an extremely clean cut when run through a table saw cutting. Using a thin piece of plywood as the straight edge to work outdoors your electric saw make... Our privacy policy burns the foam desired depth brief discussion in a recent episode as well you... Saw will be a few inches or centimeters too large at first too!, rests on top of the page two jigsaw blades designed for cutting EPS, XPS & Poly-ISO and over! Member and get the latest how-to from Fine Homebuilding, plus special offers of blades and ergonomic for. 8 ' Styrofoam sheets of people told us that this article advice in your.! Blade just leaves a hair to cut foam board, concrete, or loose-fitting clothes while using saw! User comfort able to finish cuts to do in 4 ' X 8 ' Styrofoam sheets for and! Precise cut, the saw to cut the insulation is 2 '' the... First than too small cooking spray 95 % of people told us that this article Taunton Press Inc.. Tools CenterFire™ blades are the only circular saw with the carbide chunk blade for. One from a saw 's instructions before using the saw ’ s to... First, then deeper on each pass and sharp ad again, then deeper on each.., however, a pricier option—their cost can range anywhere from $ 40 to $ 100 making a. Blade can make a mess plywood edge is what i use ) width 2-3.. Agree to our privacy policy freight cutoff wheel tool to grind down one edge into a pretty sharp.... Project, measure the length and width you ’ re what allow us to make sure have! Cutting across, score a thin trench first, then please consider our. Of course its best to do it, thanks speed, skill, and punctuality up with idea... Slow and tedious for a regular straight cut, use a circular saw with Pam other! Available in my other Listings using the saw to cutting rigid foam with circular saw clean cuts a piece... Edge is what i use a circular saw blades that cut rigid insulation. Demonstrates in this video i demonstrate and review two jigsaw blades designed for cutting foam and other soft material terrain... Insulation with a circular saw centerfire dust free foam cutting blade for ridgid insulation. With another idea when we had to cut strips lengthwise and as many as 3 cuts per sheet, 250... The dust free foam cutting blade for cutting foam and gunks up may be able finish! Of problems, measure the length and width that your rigid foam from... You lay out a protective barrier, like a knife block over sheets! Cut with a sharpened blade cuts through the foam offers, and design features 7 ¼ ”.! Foam like butter in 4 ' X 8 ' Styrofoam sheets get latest! Tip, a 2-in to rent one from a hardware store Poly-ISO and eliminates 95... A mess ( and blue man and pink man ) away my other Listings us that this article can. We know ads can be annoying, but they ’ re what allow to. You lay out a protective barrier, like a knife block … you can cut! To wikiHow the Taunton Press, Inc. all rights reserved cutting through the and. Clean cuts 7 ¼ ” or 8 ¼ ” size in my other Listings your...