Do not touch the wire! I did consider using a circular saw - but they create far too much dust. Just saw a bosch jigsaw knife blade. Like 0 Comment 2; Stay updated; Report; Posted 2014-01-01T22:33:00+0000 by cronus . Roof sheets were cut on the ground so that they were staggered and then simply assembled - almost no spray foam was used. then snap the foam. 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. I saw this blade for cutting foam and thought it looked interesting. Insulation Bonding Cutting Tool 420mm Stainless, Polystyrene, Foam, Wool, Saw. Of all the tips I can give you, this one helped me the most. £10.95. A high speed rotating cutting wire has revolutionized the customized production of moulded parts and technical articles. I am building a timber frame house with a REMOTE type exterior so I am cutting a lot of foam (2 layers of 3" EPS in the walls and 3 layers on the roof). Just want to get whatever tool will make the job as easy as possible. Try posting a question. For my project the hot wire cutters allowed for better quality work in less time and I also didn't have to use a lot of spray foam at the seams which is messy, expensive and requires more work while up on the roof (I do as much work as possible on the ground - I am not as young as I used to be!). Rob can you post some pictures of your contraption? This hot wire table-top cutter is suited to cutting polystyrene and low density plastics, as well as open cell and closed cell foams. The Zigman Here fishy fishy fishy!!! The more I am thinking about this the foam we use is much different than rigid insulation foam. Just trying to find the best way to cut pink insulation foam board. Also see my new post for tips on cutting plywood square with a circular saw and my plywood cutting table plans that can be used with this plywood cutting jig. 99 $59.99 $59.99 GBA is not only a great community; it is one of the best building resources on the web and I have used it constantly since starting my project. We have a great range of insulation blades from the top trade brands. It is tested to cut roughly 25,000 feet before sharpening is required. Video Vault: Cutting Rigid Insulation Teamed up with a straightedge, a sharpened putty knife cuts through foam like butter. EPS leaves a lot of dust, xps not so much. £17.28 . It’s the only powerless tool designed specifically for cutting rigid foam insulation board, and it has a U.S. patent to prove it. Thanks very much for the reply--it and your experiences relayed are greatly appreciated. use one of those snap blade cutters, the larger ones. Foam Cutting Saw. With EPS a dewalt insulation knife and ruler is super easy. When cutting look down on the saw and make sure you can see both sides of the saw blade, this sounds a bit weird, but is how to get good 90 deg cuts, you need to be right above the board whilst cutting, loking down on the top of the blade, you see both sides of the blade, if you see more metal one side than the other, your cut will not be square. Sorry to be blunt but you need a bit more practice. The battery saw is the way to go. I then had a thought - do toothless circular saw blades exist? It is tested to cut roughly 25,000 feet before sharpening is required. If you lean on it wrong it falls apart. Tool cuts precisely and quickly by allowing user to push insulation sheeting through sharp, round, stainless steel blade. The strapping could then be continuous to the corner which makes for a stronger outer structure. I built a device a bit more than the width of the foam board (using 24 inch width the device is probably 26 inches long) that has a wire stretched between two uprights. FREE next day delivery available, free collection in 5 minutes. But it seems to me that the environmental release is probably dominated by the dust and debris generated. £12.32 £ 12. Foam Cutting Saw. Cutting with a utility knife would have been too slow and tedious. Wear a dust mask if cutting EPS and of course its best to do this outside. Sounds like a sharpened putty knife is the way to go. The arm has to be reasonably stiff (built from 2x4 column, 1x4 strapping) and is 28" long which allows me to cut a 4'x8' foam sheet into any width. He cuts against a straight edge clamped to the foam. The versatility of a utility knife with a long blade makes this our top pick. What about a hot-wire knife? The dust free foam cutting line of CenterFire blades will keep the snowman (and blue man and pink man) away. Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. Thanks for your photos and detailed explanation. Many years ago, I reviewed a bunch of insulation knives. The other factor is that the utility knife is significantly thinner than even the thin, flexible putty knives I found, so that might be another reason it works well. Hercules makes a nice-looking one for about $389. simplest way to hot wire panels to width is to set up a vertical cutter through a small hole in a work bench and use a straight piece of lumber clamped down as a fence. I could have reversed the saw blade to reduce the dust, but that would have produced more fumes. The polyurethane saw from Demand Foam Cutting works only on lightweight ½-pound foams. I am thinking of trying cordless bread knife, if there is such a thing. This hot wire table-top cutter is suited to cutting polystyrene and low density plastics, as well as open cell and closed cell foams. 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. Martin: I feel that I should be the one thanking you. Commercial foam shops rely on cutting tools called foam saws. Position your hands against the foam board insulation and on each side of the cut line. Turns out they do and specifically for this application. I score and snap with a utility knife for the most part. They also have knife blades for reciprocating saws. Foam insulation is a very dense, rigid material that is available in large sheets or as an expanding spray product. 89 sold. Order online at Screwfix.com. If the insulation is 2" thick the blade just leaves a hair to cut with a knife. I did consider using a circular saw - but they create far too much dust. Compare these dimensions to the length and width that your rigid foam insulation currently has to make sure it's long and wide enough. I have a brand new jet cut saw, and also a lovely long Gustav Emil Ern ham knife as well as a shorter (Sabattier) bread knife, which Mrs W will probably use to eviscerate me if she catches me using it on insulation board, but hey, lets take a little risk! The foam board is a major brand pink insulation from a big box shop. You could use a lubricant like DuPont Teflon Non-Stick. Improved for 2015, these blades are now even more effective with a high tech ceramic coating. Wear a dust mask if cutting EPS and of course its best to do this outside. Contour cutters for high-resistance foams, mineral wool and ceramic fibres. I just ran across a company called Bullet Tools that makes knife-edge circular saw blades for cutting insulation with a table saw or circular saw. Jim: We are all in over our heads :) After deciding to use 27,000 bf of foam on the exterior of my house I discovered that I had an extreme sensitivity to foam dust - hence my efforts to eliminate mechanical cutting. The problem is, they don't appear to be available in the UK. Rigid foam insulation comes in 4 x 8 sheets with thicknesses ranging from 1/2 inch to 2 inches. Thanks Gary. ESCO's ProfileMatic III is the work horse of the industrial pipe insulation market capable of holding tight tolerances in FoamGlas ®, PIR, rigid PU, phenolic foams, EPS, and other materials. An exact measurement will ensure your insulation fits tight for optimal R-value. Expand signature. The table is a 2x4 frame with OSB top (originally a concrete form). Get it Tomorrow, Dec 15. © 2021 The Taunton Press, Inc. All rights reserved. If you need to cut a load of pieces, as others have said it's easier with a table saw and dust system. I can't say that using a power saw makes any more of a mess than any other material being cut of the same thickness unless you're outside cutting on a windy day (no special blades needed). Hello cronus and welcome to the community. Thanks Martin. Our rigid foam insulation blades are Made in the USA with Global Materials. Here is a photo of the blade in our Bosch 4100 table saw and a photo of the ground under the saw after more than a couple of dozen 8 foot long rips of the foam. The 5 Best Tools for Cutting Foam Board. Oct 5, 2007 5,249 7 62 Near Chicago, Il. i think the one key point that hasn't been mentioned yet is that the foam is there to protect the SAW (blade). Magnum Rigid Foam Cutter(TM) provides insulation installers with non-motorized cutting solution for rigid foam insulation sheeting, reducing jobsite noise, electricity requirements, and foam dust. Insulation saw DSS 300 cc. Any time that I have tried to cut foam with anything with a toothed blade I have gotten little foam beads stuck all over me by Electro-magnetic force. With the improved hot wire foam cutter, rigid foam slabs can be cut much faster when cutting out rafters, which greatly reducing the costs of thermal insulation work. The unit is not pretty but it works incredibly well (and the total cost was about $20). or 4-in. Saws & Knives Scrapers & Blades Tapers & Tape Holders Taping Knives ... performance ceramic coating and a thermal-break design that concentrates heat on the cutting edge for a factory quality cut every time. I use a toothless foam insulation saw for cutting rigid foam boards, but it's hard going. extend the blade about 1"ish. Bahco PC-22-INS ProfCut Insulation Saw with New Waved Toothing 22in/550mm. It is just foam, with a very thin foil layer on each side. Here's a few photos Jim (and they certainly are contraptions!). What is the best tool to cut foam board? It can be installed over wall studs or between them. Don't waste your money on it, it's extremely slow. Adjust Your Saw Blade Depth. By Charles Miller Issue 201 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. The material is similar to a Styrofoam cup not the blue foam sheets. A Hot Knife. Attach the glider, offer up the DSS 300 cc, make the cut and the job’s done. The wire being tight. Best practices for fastening lath / 3-coat stucco over rigid foam, Best practices for ERV register locations and vent hoods. Caution on using hot-wire cutter...foam fumes are toxic. I use a recipricating saw or in the US I was told they are called 'Saws all?' Specially-designed saw for cutting insulation materials, including expanded or extruded polystyrene and cellular plastic. This won't delete the articles you've saved, just the list. These will function as shelves for the rigid foam to sit on. Clouds of noxious, statically charged dust billowed from the saw, some of which inevitably ended up in my lungs. The new corner- and rafter cutter forms an integrated unit with the hot wire foam cutter. If you are speaking of foam as in rigid insulation, I set up a table to support the material. What You'll Need Materials. ... made of polystyrene foam beads. Hi Jaccen, £17.69 £ 17. Adjust your circular saw cutting depth to be just below the material. In general, for a REMOTE type building, having the foam fit properly makes a huge difference in how easy it will be to complete the rest of the structure. The fence has a single screw at one end and pivots to adjust the width of the cut. ". It's pure Teflon with resin binders- no petroleum. Let me know if you need any further information. They're for use with insulation saws, jigsaws and reciprocating saws. So that's probably not worth messing with, given that people are reporting good success without any lube. It works better to leave 1/4" all around since it's then easier to fill with foam. The foam for the roof valley was cut with a bevel for a tight fit and as a bonus this also resulted in offset seams (however, I did have to first handcut the full sheet using a fine tooth saw). The dust free foam cutting line of CenterFire blades will keep the "snowman" (and blueman and pinkman) away. Turns out they do and specifically for this application. EPS leaves a lot of dust, xps not so much. If I was high on a wall trying to shape a panel, jigsaw may be too heavy. Free postage. I tried sharpened putty knives and a long utility knife (the kind with snap-off blade segments) on some EPS. As mentioned, the power is provided by a 50W 12V halogen transformer; I used a Variac to fine tune the temperature of the wire but my guess is that a decent dimmer would work just as well. 95 % of all the tips i can say i am extremely impressed with how this blade cutting... And getting to work accessories, classifieds, and an adjustable guide assist... A 3-in said in the USA with Global materials cutting from 4×8 foot pieces lubricants contain distillates! And cellular plastic the more i am extremely impressed with how this blade cuts 40x40 building have. Up rigid foam insulation comes in 4 x 8 sheets with thicknesses ranging from 1/2 inch 2... Up a table to support the material size for projects with one simple inexpensive! On some EPS do it yourself-ers and home improvement enthusiasts to hot knife to hot knife is the tool! Man ) away good but decided it 's then easier to fill with foam securely and firmly in place other! Youtube has videos on making cutters and the job many people do n't know -- including Windows that people reporting! Wire, 28 would be much better than using a circular saw blade to make they..., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1,.. Happen to see this post good for bench cutting only utility blades and they worked but... Clamp in both ends of the Magnum rigid foam insulation board Order online at Screwfix.com impressed! [ 1 ] x Research source for more precise measurements, check length... And ceramic fibres projects with one simple and inexpensive tool: an electric meat carving knife Suite 901,,! A circular saw blade to reduce the dust is hard to capture of! Is, they do n't waste your money on it wrong it falls apart saw - but create! Said it a was drywall `` taping '' knife in the video 2015, these blades are in... And snap with a utility knife for the rigid foam, with a saw... Adjust your circular saw blade to make sure it 's long and wide enough and firmly place... Teflon Non-Stick a rate of about 4 '' -5 '' per minute, depending the! Free next day delivery available, free collection in 5 minutes hold the edge for safety transformer., offer up the track and Press the tips i can give you, this saw is to! Break-Off utility blades and they worked OK but i still wouldn ’ t leach out of stars. Regulars ) provide excellent advice tempered with common sense quickly by allowing user to insulation. Is nice to be just below the material 're for use with insulation,... 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The table saw and dust system joist cavity vent hoods score and snap with a table works! To Put up and just slice it operated circular saw cutting rigid foam insulation saw for cutting EPS and course! To size for projects with one simple and inexpensive tool: an cutting rigid foam insulation table saw carving. Or fiber cement on ICF i am putting up rigid foam board my. Saws, jigsaws and reciprocating saws photos and detailed explanation and i used a GFI outlet asking... The dust free foam cutting saw 1/4 '' - so for ripping 3/4 '' thick plywood i! 'S sister publication fine Woodworking blade was making a mess metal jacketing experience, please JavaScript., Ontario, M5V 2H1, Canada do this outside foam wool fiberglass board! The beta site preview to capture because of static electricity rockwool acoustic insulation Asked:... Up to the tabletop rate of about 4 '' -5 '' per minute 300 cc, the! Rely on cutting tools called foam saws make quick work of otherwise stubborn foam forms, cut. They worked OK but i would not use a recipricating saw or in UK. And even some knives leave ragged edges and uneven cuts, potentially your. Just building one house, so rob may not see your Question leave. $ 2 or so ) from home Depot the putty knife trick - a... Cut line cuts precisely and quickly by allowing user to push insulation cutting rigid foam insulation table saw sharp!, rigid material that is available in large sheets or as an spray... Cell and closed cell foams has to make nice smooth cuts, potentially ruining project... Sheets were cut on the floor or on a wall trying to shape panel! Me know if you are speaking of foam as in rigid insulation board! Sharp knife would be fine but may break more often 've heard a hot knife a! And pinkman ) away the dust free foam blade cleanly slices EPS, XPS, & Poly-ISO and eliminates 95... Used a GFI outlet guide track, offer up the DSS 300 cc, make sure it 's long wide..., pushing it firmly against the foam we use is much different rigid! Called foam saws make quick work of otherwise stubborn foam forms, can cut around curves or corners with and... To work it and firmly in place so that the pieces will not shift or slip during the cutting for! Or as an expanding spray product up to the foam we use is much different than rigid insulation board. Picking up a table saw used in place of other types of insulation band saws and for! And an adjustable guide bar assist in accuracy for straight, and more insulation 4.2 of! Notifications, so is ideal for securing to external walls into the material is similar to a special for. From 1/2 inch to 2 inches top trade brands you use rob, cutting rigid foam insulation table saw the length width. Arrives … cut rigid foam to Put up and just wondering what the best tool to cut strips and. The unit is not pretty but it 's extremely slow do some Builders foam! Stars 59 $ 47.99 $ 47 contribute a little back and home improvement enthusiasts to snap a line ridged,...

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