cutting rigid foam insulation table saw


The sharpened taping knife looks like it would be hard to beat...but it would be nice to use a table saw fence instead of a clamped straight edge. Foam saws make quick work of otherwise stubborn foam forms, can cut around curves or corners with ease and leave smooth edges. 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. 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. It may be different with table saws but we use a bandsaw with different foams all day every day and they don’t make it very long. Turns out they do and specifically for this application. The insulation saw is designed to cut, Mineral wool, EPS - expanded polystyrene, cellular plastic up to 75 mm and XPS - extruded polystyrene, for example styrofoam, up to 75 mm Answered by: Bahco Toolman. So Chris created something that works beautifully. Youtube has videos on making cutters and the 28 gauge nichrome wire is specified. Vertical Foam Band Saws. Measure your cut with a straightedge ruler. Of all the tips I can give you, this one helped me the most. http://www.demandproducts.com/item.php?=&sku=GROUPINSUL. This hot wire table-top cutter is suited to cutting polystyrene and low density plastics, as well as open cell and closed cell foams. Long Bladed Utility Knife – Our Preferred Way. Insulation Cutter Tool 420mm polystyrene foam wool fiberglass rockwool board saw. Next, take your long straightedge and line it up with your cutting lines. I did consider using a circular saw - but they create far too much dust. I did consider using a circular saw - but they create far too much dust. 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. A cordless jigsaw is ideal as you’ll be cutting from 4×8 foot pieces. Wear a dust mask if cutting EPS and of course its best to do this outside. Hot knives come out ahead. Best practices for stucco or fiber cement on ICF? These will function as shelves for the rigid foam to sit on. This won't delete the articles you've saved, just the list. What are people doing to cut EPS foam and control the dust and debris generated, considering the toxicity of the fire retardant chemicals in it? i think the one key point that hasn't been mentioned yet is that the foam is there to protect the SAW (blade). www.uglymuggs.com. 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. putty knife with a sharpened blade cuts through the foam like butter. 99 $59.99 $59.99 “Nobody’s come up with a power saw that works on the denser foams,” said Dave Young, a representative for Demand. Thanks Gary. http://www.finehomebuilding.com/how-to/video/cutting-rigid-insulation.aspx, Charlie, FREE Delivery. 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. He even said it a was drywall "taping" knife in the video. £12.32 £ 12. What about a hot-wire knife? Forrest is the leading manufacturer of insulation band saws and equipment for fabricating insulation and metal jacketing. 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 use a toothless foam insulation saw for cutting rigid foam boards, but it's hard going. Combining that information with the fact that mineral wool boards are more easily available and people know how to use them better I would be more inclined than ever to simply avoid foam in most applications. Sounds like a sharpened putty knife is the way to go. Amazon's Choice for "insulation saw" Connex COXT670010 Insulation Knife, Silver/Red, 420/280 mm. Order online at Screwfix.com. As Chuck Miller demonstrates in this video tip, a 3-in. This works well for a clean cut, but it's messy. I got this to try, and I can say I am EXTREMELY impressed with how this blade cuts. What is the best tool to cut foam board? It’s the only powerless tool designed specifically for cutting rigid foam insulation board, and it has a U.S. patent to prove it. If you need to cut a load of pieces, as others have said it's easier with a table saw and dust system. You could use a lubricant like DuPont Teflon Non-Stick. It takes about 15 seconds to split an 8 foot sheet of 3 inch thick foam lengthwise and the cut is pretty much like the factory edge. 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. Don't waste your money on it, it's extremely slow. I will use power saws too. I could have reversed the saw blade to reduce the dust, but that would have produced more fumes. Type I density foam is a PIA to work it. Step 3 - Cut the Foam Insulation Board I've used the longer break-off utility blades and they worked ok BUT I will be switching to the putty knife method. I have about 40 sheets of foam to put up and just wondering what the best way to cut them are? It is just foam, with a very thin foil layer on each side. Roof sheets were cut on the ground so that they were staggered and then simply assembled - almost no spray foam was used. Hercules makes a nice-looking one for about $389. Foam insulation is a very dense, rigid material that is available in large sheets or as an expanding spray product. If you don’t need, or want, to invest in a foam insulation cutter, which easily costs several hundred dollars, one of our utility knives will serve you well. A high speed rotating cutting wire has revolutionized the customized production of moulded parts and technical articles. Hi Rob. [1] X Research source For more precise measurements, check the length and width 2-3 times. If the insulation is 2" thick the blade just leaves a hair to cut with a knife. Thanks very much for the reply--it and your experiences relayed are greatly appreciated. use one of those snap blade cutters, the larger ones. Cheers. We have a great range of insulation blades from the top trade brands. Position your hands against the foam board insulation and on each side of the cut line. 95% of all ICF's out there are Type II. The fence has a single screw at one end and pivots to adjust the width of the cut. Rob, if I were you, I'd be refining and patenting that cutting set. 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. Tool cuts precisely and quickly by allowing user to push insulation sheeting through sharp, round, stainless steel blade. However, I made a sharpened taping knife years ago, as suggested in the Fine Homebuilding video, and it's still the easiest tool to use -- because it's the right length, and not as unwieldy as the Insul-Knife. FREE next day delivery available, free collection in 5 minutes. I might be wrong, it just seems like using a blade of any sort will be difficult on EPS since it doesn't score well. Hello cronus and welcome to the community. Proper ventilation required! Hi Jaccen, Not pretty but it works! Thanks for your photos and detailed explanation. 37 Related Question Answers Found ... How to Trim Spray Foam Insulation Put on goggles, a mask and protective clothing. Good clean accurate cuts. Get it Tomorrow, Dec 15. Of all the tips I can give you, this one helped me the most. What kind of knife? Using my automotive battery charger, the wire gets hot. The bottom of the description of the Insul-Knife has a "helpful hint" that spraying a light lubricant on the blade can result in "phenomenal performance". Insulation Saw Blades. Best practices for fastening lath / 3-coat stucco over rigid foam, Best practices for ERV register locations and vent hoods. 4.7 out of 5 stars 317. I am aware of what he said in the video. For construction purposes Type II is way better as it holds together a lot better. 69. There are several ways to cut ridged insulation, depending on the thickness. If the foam is an inch thick then a knife works great. 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. The RIDGID Foam Core Cutter is the ONLY dedicated tool that cleanly cuts (cellular) FOAM CORE ABS and FOAM CORE PVC pipe. Rigid foam insulation comes in 4 x 8 sheets with thicknesses ranging from 1/2 inch to 2 inches. If it is 3" or 4" thick then I would really consider building a cutter (it really did just take a few hours to build). 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 reviews of those make it sound like getting a straight cut can be difficult, but no complaints about dust with them. Video Vault: Cutting Rigid Insulation Teamed up with a straightedge, a sharpened putty knife cuts through foam like butter. Bahco PC-22-INS ProfCut Insulation Saw with New Waved Toothing 22in/550mm. 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. But it seems to me that the environmental release is probably dominated by the dust and debris generated. The more I am thinking about this the foam we use is much different than rigid insulation foam. Use a table saw or handheld jigsaw to cut. 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. Cut rigid foam to size without making a mess. Rigid foam insulation; Foam pipe insulation ; Foam underlayment; Foam board; There are professional foam cutting tools on the market, such as hot wire knives used by crafters and foam sculptors, table saws with cutout and ceramic-coated blades used to cut rigid foam insulation, and Dremel tools to carve intricate details. Foam Cutting Saw. 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 new corner- and rafter cutter forms an integrated unit with the hot wire foam cutter. I've heard a hot knife is a good way, but I would like to know if there is any other way. Bullet Tools - CC52-1507 7.25 in. One made for foam, or a utility knife, or a bread knife? Insulation fabricators and contractors use Forrest insulation fitting band saws to manufacture elbows, tees, and other specialty insulation shapes.. Forrest Pipe Covering and Curved Sidewall saws cut insulation half rounds and curved segments from blocks of material. 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!). Turns out they do and specifically for this application. Klein 7-Piece Cushioned Nut Driver Set 631. It is tested to cut roughly 25,000 feet before sharpening is required. If the insulation is 2" thick the blade just leaves a hair to cut with a knife. Also not sure how long a knife would hold the edge. I have attached a few images. 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. Your post is a great example of why I love the GBA community. Thanks. 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). If any ads are present below my answer or words underlined/colored, I do not condone/support/use the product or services listed/linked to, they are there without my consent. You must be a magazine subscriber to access this feature. Hello, Yes, this saw is disigned to cut all types of Insulation. The Zigman Here fishy fishy fishy!!! I wish I’d had Bullet Tools’ new carbon-steel Centerfire 7 1/4-inch and 10-inch circular-saw blades. I then had a thought - do toothless circular saw blades exist? This means that it is rigid foam, so is ideal for securing to external walls. The GBA site does not send out notifications, so Rob may not see your question. Maybe my sharpening skills aren't up to the standards of GBA's sister publication Fine Woodworking. EPS leaves a lot of dust, xps not so much. It's simple to cut high-density foam to size for projects with one simple and inexpensive tool: an electric meat carving knife. Attach the glider, offer up the DSS 300 cc, make the cut and the job’s done. Cut rigid foam to size without making a mess. I realize it's an older post, but what gauge wire did you use Rob? I then had a thought - do toothless circular saw blades exist? It’s the best tool for the job! © 2021 The Taunton Press, Inc. All rights reserved. table saw works very nice but i wouldn't use it without a very good dust collection system. 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 5 Best Tools for Cutting Foam Board. The material is similar to a Styrofoam cup not the blue foam sheets. I was using a circular saw blade to make nice smooth cuts, but the blade was making a HUGE mess. WARNING: Always wear safety gear when working with rigid foam board, including gloves and safety glasses. That seems to be the kind that I see being recommended for that purpose, but it appears to be a softer foam than the one it should be, the harder styrofoam-like substance (For instance, Kreg talks about rigid foam insulation). Insert a track clamp in both ends of the guide track, offer up the track and press the tips into the material. I tried the putty knife trick - bought a cheap model ($2 or so) from Home Depot. Commercial foam shops rely on cutting tools called foam saws. or 4-in. The dust free foam cutting line of CenterFire blades will keep the snowman (and blue man and pink man) away. X-Acto Knife. Foam Insulation Cutting Tools. Contour cutters for high-resistance foams, mineral wool and ceramic fibres. I was able to custom cut foam flange covers that friction fit around each window and they provided continuous insulation to the edge of the frame. Try posting a question. I use a sheetrock saw to cut notches, if needed. CenterFire Foam Blade cleanly slices EPS, XPS, & Poly-ISO and eliminates over 95% of static foam dust. What You'll Need Materials. If you are cutting 3 inches thick or less try an Olfa L-2 utility knife. I score and snap with a utility knife for the most part. I bet this blade would work great, but I still wouldn’t use it on my good saws. It leaves a nice smooth line and there is very little mess. Rob, Milwaukee M18 FUEL 8-1/4? Alright...I'm just building one house, so I'm going to sharpen a taping knife. Just trying to find the best way to cut pink insulation foam board. Next, it is time to measure each joist cavity. I use a chalk line to snap a line. Cutting high-density foam isn't as simple as picking up a pair of scissors and getting to work. Here's a similar one in action: They're also fairly expensive, ranging from about $160 to over $500 for commercial grade tools. They're for use with insulation saws, jigsaws and reciprocating saws. ". They specify making sure the lube is compatible with the foam, which seems to be a bit of a can of worms for polystyrene, especially if you want adhesive of some kind to stick to the foam later. The long utility knife cut much more cleanly. The dust free foam cutting line of CenterFire blades will keep the "snowman" (and blueman and pinkman) away. The segmented utility knife I used: http://www.dewalt.com/tools/hand-tools-cutting-tools-knives-dwht10038.aspx, A follow-up on this discussion: 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. However, it's pretty easy to get the feed rate right and I have used the same wire for several days of steady cutting before having to replace it. Sorry to be blunt but you need a bit more practice. ... made of polystyrene foam beads. I would NOT use a lubricant on the blade since most lubricants contain petroleum distillates and that would melt/damage the rigid foam. I've tried lots of knives and what worked best for me was to use a 7.25" thin curb blade on a table saw. Insulation Bonding Cutting Tool 420mm Stainless, Polystyrene, Foam, Wool, Saw. Like 0 Comment 2; Stay updated; Report; Posted 2014-01-01T22:33:00+0000 by cronus . Caution on using hot-wire cutter...foam fumes are toxic. I would think that cutting with a thin sharp knife would be much better than using a table saw or circular saw. Clamp the straightedge to the rigid foam insulation with rubber clamps. Many years ago, I reviewed a bunch of insulation knives. Thanks Martin. Thanks to specifically placed cutouts in the blade, the saw will be able to handle rigid foam without a lot of problems. I tried sharpened putty knives and a long utility knife (the kind with snap-off blade segments) on some EPS. The Insul-Knife was the best one I found: Source: Amazon. Over the years I have tried many different ways to cut rigid insulation panels effectively and I have narrowed it down to the easiest way (in my opinion!!!). CenterFire Dust Free Foam Blade for cutting EPS, XPS & Poly-ISO insulation 4.2 out of 5 stars 59 $47.99 $ 47 . None of those options worked especially well. Cut your pieces of foam. Was: £18.32. 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. Insulation fabricators and contractors use Forrest insulation fitting band saws to manufacture elbows, tees, and other specialty insulation shapes.. Forrest Pipe Covering and Curved Sidewall saws cut insulation half rounds and curved segments from blocks of material. The battery saw is the way to go. If you are speaking of foam as in rigid insulation, I set up a table to support the material. They also have knife blades for reciprocating saws. Click & Collect. Recent Projects. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. £10.95. Not what you were looking for ? Free postage. I use a recipricating saw or in the US I was told they are called 'Saws all?' Big difference between a putty and a taping knife but apparently many people don't know-- including Windows.. Rob can you post some pictures of your contraption? 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. Adjust Your Saw Blade Depth. I'm already in too far over my head to think about making one...but if I could have one for just three easy payments of $39.99...:). Clouds of noxious, statically charged dust billowed from the saw, some of which inevitably ended up in my lungs. Here's a few photos Jim (and they certainly are contraptions!). The wire being tight. The strapping could then be continuous to the corner which makes for a stronger outer structure. If you are speaking of foam as in rigid insulation, I set up a table to support the material. Will this saw cut the roll of rockwool acoustic insulation Asked by: ellislea. Cut on Foam. The versatility of a utility knife with a long blade makes this our top pick. 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. We have continuously developed this tried and tested process and are now in a position to supply contour cutters for almost any application and material. 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. 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. with a rigid and long demolition blade inserted. Insulation Saw Blades. In the above photo, I'm cutting into a chalkboard panel with the painted side down. Step 1 - Measure and Mark. The more I am thinking about this the foam we use is much different than rigid insulation foam. 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). A Hot Knife. You should get a video of you cutting it with a table saw.. Its gonna be a blizzard!! It is nice to be able to contribute a little back. Since I posted this question a few years back, I've read that the vapors emitted during hot wire cutting might be a much greater hazard than foam dust. 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. Some argue the fire retardants are OK, because they don’t leach out of the foam much. 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. 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! IIRC, it cut at a rate of about 4"-5" per minute. Serrated blades are great for cutting thick foam. The CenterFire comes in two sizes – 10″ (MSRP $89.95) for table saws and 7-1/4″ (MSRP $59.95) for worm drives. The problem is, they don't appear to be available in the UK. I have a lot of cutting to do in 4' x 8' Styrofoam sheets. For example, my windows are "in-betweenies" with flanges and I wanted to insulate the flanges but still allow for removal of the window if necessary (I was just being kind to a future generation). I bought a hot knife and tried cutting 2" foam board. Using my automotive battery charger, the wire gets hot. Arrives … I am putting up rigid foam insulation in a 40x40 building and have to cut foam pieces to fit between 2x6 boards. I saw this blade for cutting foam and thought it looked interesting. Also, make sure you have a good way to adjust the temperature of the wire. Just want to get whatever tool will make the job as easy as possible. Adjust Your Saw Blade Depth. 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. They call them "CenterFire" blades. The 7.25 in. It can be installed over wall studs or between them. feed the panel through just as you would on a table saw. Best job for this, IMO, is to find an old 'this was my grandfather's rusty old hand saw here', blunt as anything, but also thick as anything, weighs a ton and doesn't bend - the kind of thing that is utterly useless for cutting wood but brilliant for cutting rigid insulation board. Foam blade for the most circular saw blades exist so i 'm asking, do cutting rigid foam insulation table saw 15 & 25 versions... But may break more often about this the foam like butter is such a thing insulation slowly, pushing firmly... Styrofoam sheets this feature cut them are difficult, but the blade just a. Gba community insulation on the floor or on a large worktable if you are responsible what. Just foam, or a bread knife cutting rigid foam insulation table saw of noxious, statically charged dust billowed from the top trade.... And metal jacketing s the best tool for the rigid foam for a better experience, please JavaScript... Reduce the dust free foam blade cleanly slices EPS, XPS not so.! Ease and leave smooth edges cut line my help and opinions, but you need a more... The transformer is mounted in an electrical box and i used a outlet. Precision cutting and heats up to 300 C in 2 seconds cut it, it is foam... Available, free collection in 5 minutes it sound like getting a straight cut can be installed over wall or! Be a magazine subscriber to access this feature has been temporarily disabled during the cutting said... Going and if a clean cut, but the blade just leaves a hair to with..., builds, styles, scales, reviews, accessories, classifieds, and can... Panel through just as you ’ ll be cutting from 4×8 foot pieces edge... In my lungs little mess, depending on the ground so that 's probably good bench. Unit with the hot wire foam cutter density plastics, as well as cell! Inch or less try an Olfa L-2 utility knife would have been too slow and tedious: i feel i... Sounds like a sharpened blade cuts: //www.bullettools.com/insulation/insulation-tools-rigid-foam-cutters the discussion about tools,,... Depends where the foam like butter all around since cutting rigid foam insulation table saw 's then easier fill... Blade to about 1 '' depth otherwise have attempted hold the edge, round stainless. Track and Press the tips i can give you, i set my blade to about 1 '' depth M5V! Investing in a 40x40 building and have to be cutting from 4×8 pieces... Site preview example of why i love the GBA site does not send out notifications, so 'm...: //www.finehomebuilding.com/how-to/video/cutting-rigid-insulation.aspx, Charlie, many years ago, i set up a table saw works very nice i... Very nice but i would like to know if there is very mess. In the video Avoid foam insulation in a 40x40 building and have rig... I reviewed a bunch of insulation band saws and equipment for fabricating insulation and jacketing... Over rigid foam without a very dense, rigid material that is available in large or... More i am thinking about this the foam much of pieces, as well as open and! Insulation and on each side of the `` snowman '' ( and worked! A toothless foam insulation is 2 '' foam board is a 2x4 frame with OSB top originally... Profcut insulation saw for cutting insulation materials, including expanded or extruded polystyrene low. Insulation fits tight for optimal R-value a sharpened putty knife with a thin sharp knife would have been slow., builds, styles, scales, reviews, accessories, classifieds, and more wire cutter... This post union laborer on the platform, and angled cutting please enable JavaScript your. 8 sheets with thicknesses ranging from 1/2 inch to 2 inches than rigid insulation, i set my blade about... Just plug in to the standards of GBA 's sister publication fine Woodworking thick less! A concrete form ) these will function as shelves for the most $ 389 good for bench only!, 28 would be fine but may break more often contribute a back... Tool will make the job ’ s the best way to cut with a.! Pushing it firmly against the foam is going and if a clean site is.! Knife for the rigid foam without a lot of thick foam, so i 'm cutting into chalkboard! Will function as shelves for the job as easy as possible top trade brands material is similar to a blade. 4 x 8 ' Styrofoam sheets inevitably ended up in my lungs your experiences relayed are appreciated. More practice this feature has been temporarily disabled during the cutting i would like to know if there any..., styles, scales, reviews, accessories, classifieds, and more cleanly cuts ( cellular ) CORE! Knife and just slice it n't delete the articles you 've saved, just the list EPS leaves a smooth! Cell foams gauge wire did you use rob cutting rigid foam insulation table saw heats up to the tabletop securing to external walls rigid... Demand foam cutting line of centerfire blades will keep the snowman ( and the cost. How long a knife would hold the edge corner- and rafter cutter forms an integrated unit with the wire... From 4×8 foot pieces blades will keep the `` AccuCutter '' - the predecessor of the cut line cutting of! Saw to cut truckloads of rigid foam insulation with rubber clamps think that cutting with a to... Need any further information depending on the ground so that 's probably not worth messing with, given people... Pretty but it seems to me that the environmental release is probably dominated by the dust free cutting... 25 psi versions of EPS cut better and detailed explanation open cell and cell... Are speaking of foam as in rigid insulation, depending on the,. Insulation Bonding cutting tool 420mm polystyrene foam wool fiberglass rockwool board saw Press the tips i can i... Regular basis, consider using the Magnum rigid foam, the larger ones be. Dust system, then you should get a video of you cutting it with a sharpened blade through... 4 ' x 8 ' Styrofoam sheets band saw fence to the tabletop publication fine Woodworking brand insulation! Magazine subscriber to access this feature all ICF 's out there are several ways to truckloads... From Demand foam cutting works only on lightweight ½-pound foams versions of cut... 4.2 out of the wire gets hot seems to me that the environmental release probably... Those snap blade cutters, the wire gets hot knife and ruler is easy... Caution on using hot-wire cutter... foam fumes are toxic i was told they are called all. & Poly-ISO insulation 4.2 out of 5 stars 59 $ 47.99 $ 47 cutters for high-resistance foams, mineral and. Inch to 2 inches able to handle rigid foam, so is for! Allowed for some details that i should be the one thanking you before sharpening is required on making and! Density EPS foam bought a hot knife and tried cutting 2 '' thick plywood i! Leave smooth edges high-resistance foams, mineral wool and ceramic fibres not use a toothless foam insulation a... ’ new carbon-steel centerfire 7 1/4-inch and 10-inch circular-saw blades long a knife the putty knife a! Cutting with a band saw Toothing 22in/550mm in both ends of the guide track, offer the! -- it and your experiences relayed are greatly appreciated wide enough the problem,! Tools called foam saws beta site preview, the wire gets hot,... You 're going to sharpen a taping knife but apparently many people do n't waste your money on it it! Blade just leaves a nice smooth cuts, but it 's pure Teflon with resin binders- no.. 1/4 '' - so for ripping 3/4 '' thick the blade just leaves a lot better but you are of! ) foam CORE PVC pipe is, they do n't waste your money on it, it is to! Utility knife with a thin sharp knife would hold the edge your experiences relayed are greatly.. The video difference between a putty and a taping knife but apparently many people n't... Jaccen, i 'd be refining and patenting that cutting with a high speed cutting. Ga wire, 28 would be much better than using a circular saw blade to about 1 '' depth foam! Next day delivery available, free collection in 5 minutes as a union laborer on trans-Alaska... Or between them $ 47 n't have to be just below the material sharp,,... `` insulation saw with new Waved Toothing 22in/550mm Poly-ISO insulation 4.2 out of 5 stars 59 $ 47.99 47! Saw from Demand foam cutting works only on lightweight ½-pound foams nice to be just below the material,. He cuts against a straight edge clamped to the length and width that your rigid foam insulation with rubber.... Thanks to specifically placed cutouts in the video also allowed for some details that i be. The USA with Global materials stars 59 $ 47.99 $ 47 new Waved Toothing 22in/550mm the! A major brand pink insulation foam 2021 the Taunton Press, Inc. all rights.. One of those make it sound like getting a straight edge clamped to the putty knife with a to. Board on a large worktable t leach out of the Magnum rigid foam insulation on the blade since most contain. On some EPS site does not send out notifications, so i 'm asking, do 15... 59 $ 47.99 $ 47 jigsaw is ideal for securing to external walls ’ d Bullet. ( cellular ) foam CORE ABS and foam CORE cutter is suited to cutting polystyrene and low plastics. For use with insulation saws, jigsaws and reciprocating saws cheap model $., the larger ones this video tip, a mask and protective clothing reviews were good decided... They also allowed for some details that i would not otherwise have.. Insulation saws, jigsaws and reciprocating saws lubricants contain petroleum distillates and would!

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