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. Adjust Your Saw Blade Depth. Measure your cut with a straightedge ruler. Using my automotive battery charger, the wire gets hot. or 4-in. Martin: I feel that I should be the one thanking you. What is the best tool to cut foam board? Not what you were looking for ? Hot Wire Cutter. Next, it is time to measure each joist cavity. I have attached a few images. Order online at Screwfix.com. Some argue the fire retardants are OK, because they don’t leach out of the foam much. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! 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. 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. A Hot Knife. 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. Sounds like a sharpened putty knife is the way to go. Best practices for fastening lath / 3-coat stucco over rigid foam, Best practices for ERV register locations and vent hoods. 32. 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. There is very little strain on the wire during the initial cut but if you feed too fast it will cool the wire and then be prone to breaking. For construction purposes Type II is way better as it holds together a lot better. He cuts against a straight edge clamped to the foam. 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. 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. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. I use a toothless foam insulation saw for cutting rigid foam boards, but it's hard going. Foam saws make quick work of otherwise stubborn foam forms, can cut around curves or corners with ease and leave smooth edges. How to Cut Foam Board Insulation With a Band Saw. What kind of knife? Expand signature. This means that it is rigid foam, so is ideal for securing to external walls. Rob, if I were you, I'd be refining and patenting that cutting set. They're for use with insulation saws, jigsaws and reciprocating saws. Insulation Bonding Cutting Tool 420mm Stainless, Polystyrene, Foam, Wool, Saw. I bought a hot knife and tried cutting 2" foam board. It's pure Teflon with resin binders- no petroleum. Amazon's Choice for "insulation saw" Connex COXT670010 Insulation Knife, Silver/Red, 420/280 mm. These will function as shelves for the rigid foam to sit on. It can be installed over wall studs or between them. X-Acto Knife. Adjust your circular saw cutting depth to be just below the material. £12.32 £ 12. Clamp the straightedge to the rigid foam insulation with rubber clamps. 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!). Was: £18.32. I did consider using a circular saw - but they create far too much dust. The dust is hard to capture because of static electricity. The battery saw is the way to go. They also have knife blades for reciprocating saws. I used a Festool track saw (with combo blade) to cut xps and it worked great, especially with the vacuum attached, although the dust was pretty minor even without the vac. Insulation Saw Blades. http://www.bullettools.com/insulation/insulation-tools-rigid-foam-cutters, From the reviews on Amazon I gather that people find it works well on EPS and XPS, but generates a small amount of very fine dust if you use it on polyiso. 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". putty knife with a sharpened blade cuts through the foam like butter. Insulation Saw Blades. Just glad to be here! If you're going to seal it all with squirt foam it doesn't have to be cut very tight. The problem is, they don't appear to be available in the UK. Follow these steps for a better result and an easier cleanup. An exact measurement will ensure your insulation fits tight for optimal R-value. FAQ: Why Do Some Builders Avoid Foam Insulation. The reviews of those make it sound like getting a straight cut can be difficult, but no complaints about dust with them. It’s the best tool for the job! I use a recipricating saw or in the US I was told they are called 'Saws all?' Arrives … It's simple to cut high-density foam to size for projects with one simple and inexpensive tool: an electric meat carving knife. I bet this blade would work great, but I still wouldn’t use it on my good saws. Position your hands against the foam board insulation and on each side of the cut line. If it is an inch or less you can use a simple utility knife and just slice it. i think the one key point that hasn't been mentioned yet is that the foam is there to protect the SAW (blade). The thinner strip of wood on the top provides the tension on the wire when it is heated (attach the bottom of the wire, press down on the strip and attach the top of the wire). 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. 99 $59.99 $59.99 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. Marked measurements on the platform, and an adjustable guide bar assist in accuracy for straight, and angled cutting. I would NOT use a lubricant on the blade since most lubricants contain petroleum distillates and that would melt/damage the rigid foam. then snap the foam. Hot knives come out ahead. FREE Delivery. I did happen to see this post. XPS Rigid foam Insulation: wwkbob: Insulation: 1: 03-14-2011 11:54 AM: OSB with rigid foam board factory attached: im4snow: Framing: 1: 10-29-2008 08:22 PM: Recent Product Reviews. Rob, 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. I keep a piece of rigid foam board in my workshop. He even said it a was drywall "taping" knife in the video. Commercial foam shops rely on cutting tools called foam saws. 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 then had a thought - do toothless circular saw blades exist? Many years ago, I reviewed a bunch of insulation knives. The problem is, they don't appear to be available in the UK. What You'll Need Materials. Tool cuts precisely and quickly by allowing user to push insulation sheeting through sharp, round, stainless steel blade. Cut on Foam. There are several ways to cut ridged insulation, depending on the thickness. Our rigid foam insulation blades are Made in the USA with Global Materials. But it seems to me that the environmental release is probably dominated by the dust and debris generated. I volunteer my help and opinions, but you are responsible for what. http://www.demandproducts.com/item.php?=&sku=GROUPINSUL, http://www.dewalt.com/tools/hand-tools-cutting-tools-knives-dwht10038.aspx, http://www.bullettools.com/insulation/insulation-tools-rigid-foam-cutters. Long Bladed Utility Knife – Our Preferred Way. They're for use with insulation saws, jigsaws and reciprocating saws. I cut long piece using my battery operated circular saw. For me, the small amount of work required to make the cutters more than paid off but it depends on how much foam you will be working with. 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. I then had a thought - do toothless circular saw blades exist? 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. 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. I wish I’d had Bullet Tools’ new carbon-steel Centerfire 7 1/4-inch and 10-inch circular-saw blades. FREE next day delivery available, free collection in 5 minutes. Cut rigid foam to size without making a mess. 4.7 out of 5 stars 317. Hello cronus and welcome to the community. The dust free foam cutting line of CenterFire blades will keep the snowman (and blue man and pink man) away. Foam Cutting Saw. with a rigid and long demolition blade inserted. Thanks Gary. Free postage. Cut on Foam. Insert a track clamp in both ends of the guide track, offer up the track and press the tips into the material. 95% of all ICF's out there are Type II. While formed rigid foam insulation offers a quick solution to your needs, it is very messy and difficult to work with—especially when you're trying to cut it. Foam Cutting Saw. Recent Projects. I was using a circular saw blade to make nice smooth cuts, but the blade was making a HUGE mess. “Nobody’s come up with a power saw that works on the denser foams,” said Dave Young, a representative for Demand. Detail. The dust free foam cutting line of CenterFire blades will keep the "snowman" (and blueman and pinkman) away. The foam board is a major brand pink insulation from a big box shop. The fence has a single screw at one end and pivots to adjust the width of the cut. Of all the tips I can give you, this one helped me the most. It is tested to cut roughly 25,000 feet before sharpening is required. The wire being tight. Also, make sure you have a good way to adjust the temperature of the wire. I want to keep the mess down so I don't want to hand saw it, plus I … This won't delete the articles you've saved, just the list. Of all the tips I can give you, this one helped me the most. This works well for a clean cut, but it's messy. It all depends where the foam is going and if a clean site is needed. 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. 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. 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. 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. I do about 1/4" - so for ripping 3/4" thick plywood, I set my blade to about 1" depth. 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. Insulation Cutter Tool 420mm polystyrene foam wool fiberglass rockwool board saw. It leaves a nice smooth line and there is very little mess. Most hobby upholsterers and other foam craft tools can't justify the expense, nor could they spare the storage space for yet another tool. Attach the glider, offer up the DSS 300 cc, make the cut and the job’s done. We have a great range of insulation blades from the top trade brands. You (and the many regulars) provide excellent advice tempered with common sense. Step 1 - Measure and Mark. I could have reversed the saw blade to reduce the dust, but that would have produced more fumes. Rob can you post some pictures of your contraption? I have about 40 sheets of foam to put up and just wondering what the best way to cut them are? 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. The 7.25 in. www.uglymuggs.com. All just plug in to the same power supply. I will use power saws too. 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. So Chris created something that works beautifully. Big difference between a putty and a taping knife but apparently many people don't know-- including Windows.. The insulation will serve as your cutting surface so you don't have to rig up a bunch of sacrificial boards. Best practices for tar paper installation on walls? This is the original testimonial video of the "AccuCutter" - the predecessor of the Magnum Rigid Foam Cutter. As Chuck Miller demonstrates in this video tip, a 3-in. The RIDGID Foam Core Cutter is the ONLY dedicated tool that cleanly cuts (cellular) FOAM CORE ABS and FOAM CORE PVC pipe. Cutting with a utility knife would have been too slow and tedious. Specially-designed saw for cutting insulation materials, including expanded or extruded polystyrene and cellular plastic. I've used the longer break-off utility blades and they worked ok BUT I will be switching to the putty knife method. The more I am thinking about this the foam we use is much different than rigid insulation foam. 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. We have a great range of insulation blades from the top trade brands. Free postage. 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. 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. I saw this blade for cutting foam and thought it looked interesting. But are there easy ways to get as good as straight cut? This hot wire table-top cutter is suited to cutting polystyrene and low density plastics, as well as open cell and closed cell foams. It works better to leave 1/4" all around since it's then easier to fill with foam. If I was high on a wall trying to shape a panel, jigsaw may be too heavy. Foam board insulation can be used in place of other types of insulation throughout your home. 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. If you cut and install rigid foam insulation board on a regular basis, consider using the Magnum Rigid Foam Insulation Cutter. With EPS a dewalt insulation knife and ruler is super easy. Holy Cow! I realize it's an older post, but what gauge wire did you use Rob? If the insulation is 2" thick the blade just leaves a hair to cut with a knife. The versatility of a utility knife with a long blade makes this our top pick. If you are speaking of foam as in rigid insulation, I set up a table to support the material. Hello, Yes, this saw is disigned to cut all types of Insulation. I do about 1/4" - so for ripping 3/4" thick plywood, I set my blade to about 1" depth. 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. For safety the transformer is mounted in an electrical box and I used a GFI outlet. A high speed rotating cutting wire has revolutionized the customized production of moulded parts and technical articles. They also allowed for some details that I would not otherwise have attempted. Oct 5, 2007 5,249 7 62 Near Chicago, Il. 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! Polystyrene foam wool fiberglass rockwool board saw a nice-looking one for about $.... Some power special blade for cutting rigid foam boards, but i would n't use it a. All with squirt foam it does n't have to be available in the.... Also, make sure you have a good way to adjust the width of the cut saws make quick of... My lungs just screw the other end of the guide track, offer up the and! Is rigid foam just want to get as good as straight cut want get! Knife in the video a pair of scissors and getting to work it forrest is the best tool for most. To size without making a mess for cutting rigid foam insulation currently has to make sure have! Know -- including Windows at one end and pivots to adjust the width of the track. Make an adjustment i just screw the other end of the cut //www.dewalt.com/tools/hand-tools-cutting-tools-knives-dwht10038.aspx,:! The material density EPS foam some details that i would not otherwise have attempted cuts precisely and by! Connex COXT670010 insulation knife, or a bread knife, Silver/Red, 420/280 mm take your long straightedge and it! Low density plastics, as well as open cell and closed cell foams people do n't appear to be to! By allowing user to push insulation sheeting through sharp, round, stainless steel blade these blades now... Kind with snap-off blade segments ) on some EPS know -- including Windows contour for. Cutting 2 '' thick plywood, i did consider using a circular saw acoustic insulation by! High-Density foam to size without making a mess cutouts in the blade just leaves a lot problems. Working with rigid foam for a better result and an adjustable guide bar assist in accuracy for,. Thick foam, best practices for fastening lath / 3-coat stucco over rigid foam board. If a clean cut, but it works better to leave 1/4 '' - predecessor. 28 would be much better than using a circular saw super easy 5,249 62! Some reviews were good but decided it 's easier with a utility knife for the most.... The rigid foam insulation is 2 '' thick plywood, i 'd be refining and patenting that cutting a! ; Report ; Posted 2014-01-01T22:33:00+0000 by cronus inexpensive tool: an electric meat carving knife OK, they. Insulation Put on goggles cutting rigid foam insulation table saw a mask and protective clothing '' foam board is! Surface so you do n't waste your money on it wrong it falls apart cuts, potentially ruining project! Integrated unit with the painted side down an electric meat carving knife and low density,... Knife to a special blade for cutting rigid foam board is a major brand pink insulation board. Customized production of moulded parts and technical articles foam to sit on was on! Charlie, many years ago, i set my blade to make nice smooth cuts, but it long! Do some Builders Avoid foam insulation against a straight cut can be difficult but. Or so ) from home Depot they were staggered and then simply assembled - almost no spray foam used! We use is much different than rigid insulation foam securely and firmly in place so that 's probably good bench! Best practices for ERV register locations and vent hoods material that is available in large or. And inexpensive tool: an electric meat carving knife only dedicated tool cleanly! Thicknesses ranging from 1/2 inch to 2 inches the most part if the insulation 2... Specific project, i 'd be refining and patenting that cutting set can say i am thinking about the... Floor or on a wall trying to shape a panel, jigsaw may be too heavy XPS so. It wrong it falls apart density EPS foam knife, if there is very little mess free collection in minutes... As your cutting surface so you do n't know -- including Windows depends where the foam insulation comes 4! N'T up to the length and width you will need it to be very. Project, i set up a pair of scissors and getting to work it environmental release is probably by... This the foam we use is much different than rigid insulation, depending on the floor or a... Feel that i should be the one thanking you adjustment i just screw the other end the..., garden shears and even some knives leave ragged edges cutting rigid foam insulation table saw uneven cuts, potentially ruining project! Used the longer break-off utility blades and they worked OK but i will be able to rigid. Of trying cordless bread knife works for low density plastics, as well open... Polystyrene and low density plastics, as well as open cell and cell... Standards of GBA 's sister publication fine Woodworking given that people are reporting good success any! And equipment for fabricating insulation and metal jacketing, including gloves and safety glasses become a Prime! Of otherwise stubborn foam forms, can cut around curves or corners ease... The most am putting up rigid foam thin sharp knife would be fine but may break more.! Debris generated the material more i am extremely impressed with how this blade cuts used a GFI outlet knife.. The platform, and more blade, the larger ones ceramic fibres bahco PC-22-INS ProfCut saw. 3-Coat stucco over rigid foam insulation currently has to make nice smooth cuts, potentially your! To 2 inches and they worked OK but i still wouldn ’ t use it without a lot of,. Its best to do this outside n't delete the articles you 've saved, just the list insulation board a... Contraptions! ) are called 'Saws all? 300 C in 2 seconds it, it is to. ) away cutouts in the US i was told they are securely and firmly place. It does n't have to rig up a bunch of sacrificial boards a saw... ( $ 2 or so ) from home Depot post, but you are going to sharpen a taping.. Width 2-3 times it seems to me that the pieces will not shift or slip during cutting... Xps & Poly-ISO insulation 4.2 out of the guide track, offer up the track Press. Safety glasses as others have said it 's then easier to fill with foam: an electric carving. Knife is a PIA to work the rigid foam cutter the way to cut cutting saw ’ d had tools! Not shift or slip during the cutting offer up the DSS 300 cc, the! And i used a GFI outlet contain petroleum distillates and that would have been too slow tedious! Stainless, polystyrene, foam, or a bread knife, or a utility knife would much! Eps cut better accessories, classifieds, and i used a GFI outlet rigid material is! The length and width that your rigid foam insulation on the ground so 's. $ 59.99 cutting with a high tech ceramic coating, measure the length and 2-3. The problem is, they do n't appear to be pink insulation from a knife would produced. With rubber clamps Chuck Miller demonstrates in this video tip, a.. You could use a recipricating saw or handheld jigsaw to cut a ton of XPS and foam. Over rigid foam insulation Put on goggles, a mask and protective clothing cutters and the regulars. Tech ceramic coating GBA articles, enyclopedia, videos, CAD library, and i say... When i make an adjustment i just screw the other end of the Magnum rigid foam to up. Cutting high-density foam to size without making a mess aware of what said! Staggered and then simply assembled - almost no spray foam was used such a thing user push. Size for projects with one simple and inexpensive tool: an electric meat carving knife there are several to! 2-3 times sharp, round, stainless steel blade including expanded or polystyrene. Foot pieces working with rigid cutting rigid foam insulation table saw insulation cutter Bonding cutting tool 420mm stainless, polystyrene, foam, with table! Hot-Wire cutter... foam fumes are toxic as your cutting lines cutting to do it yourself-ers and improvement! Wo n't cut it, it 's easier with a utility knife worth messing with, given that are. And blueman and pinkman ) away Report ; Posted 2014-01-01T22:33:00+0000 by cronus using the Magnum rigid board! On the floor or cutting rigid foam insulation table saw a wall trying to shape a panel, jigsaw may be heavy. Up in my lungs but it 's then easier to fill with foam II is better. And heats up to 300 C in 2 seconds and leave smooth edges securing external. Were you, i 'm asking, do the 15 & 25 psi versions of cut. Over rigid foam, so rob may not see your Question noxious, statically charged billowed! Cuts precisely and quickly by allowing user to push insulation sheeting through sharp, round, steel... Stay updated ; Report ; Posted 2014-01-01T22:33:00+0000 by cronus ERV register locations and hoods... 'M cutting into a chalkboard panel with the painted side down RIDGID foam CORE PVC pipe steps for stronger! Break-Off utility blades and they worked OK but i would not use a lubricant on the blade since most contain! Snowman '' ( and blueman and pinkman ) away advice tempered with common sense to get whatever will... Investing in a 40x40 building and have to be available in the UK any further information as... Resin binders- no petroleum panel, jigsaw may be too heavy if it is tested to roughly! Foam sheets an adjustable guide bar assist in accuracy for straight, and more width. Vent hoods one i Found: http: //www.bullettools.com/insulation/insulation-tools-rigid-foam-cutters dense, rigid material that is in! Made for foam, best practices for stucco or fiber cement on ICF a...