Draw a line with your permanent marker along the side of your straightedge, then check the marking to make sure it's precise. The strands are oriented perpendicular to each other and bound together with a strong chemical adhesive. Wear a dust mask to reduce the chance of inhaling the fine particles or dust created by cutting foam. Foam insulation usually has a foil backing, which is perfect for marking the cut line, so measure out the cut, draw the cut line with a felt-tip marker, and draw the knife along the line to cut through the backing. I too, use a large utility razor, with replacable blades. However, for builders, this much refinement isn't important, and they are more likely to reach for a utility knife or a saw. submitted to our "DoItYourself.com Community Forums". If you are only making one or two cuts, a hand saw is both convenient and portable. Oriented strand board is manufactured from thousands of wood chips measuring 3 to 4 inches in length. For straight cuts, it is easier to feed the sheet of OSB through a table saw. Once a 4″ blade is attached to the jigsaw, you will usually have an effective length of around 3″. This allows the board to be folded into a 90-degree bend. Ace Rewards members are eligible to receive free delivery on orders of $50 or more. Milled, wavy-set teeth are ideal for cuts without special requirements FREE next day delivery available, free collection in 5 minutes. We have a great range of insulation blades from the top trade brands. Purchased this blade to cut foam with my jigsaw. Cut foam with a saw. If you don’t need an exactly straight line, you can prop the sheet on sawhorses and cut it with a circular saw. For curves, use a router, jigsaw, or coping saw. Determine how much OSB you need to finish the project you are working on. It is used as a roof and wall sheathing and as subfloor decking. Wooden boards and lumber are usually made with the grain going lengthwise, hence most cross cuts and miter cuts you will do on them will be short straight cuts. Insulation Board. You can see on this Dual Cut blade that the angle of the teeth are perfect for cutting … This is also quite easy. Once you've done that, make repeated cuts along the line until the knife penetrates all the way and the sheets separate. Metal cutting or all-purpose jigsaw blade. He has degrees in science and humanities and years of teaching experience. To cut curves, you need a jigsaw because a circular saw can't do that. If you are only making one or two cuts, a hand saw is both convenient and portable. Put the blade in a vise and grind down the cutting tips until they form a knife edge. If you cut a lot of foam on a regular basis, consider buying a foam cutting saw. OSB, or oriented strand board, is a common building material used during the framing stage of construction. I cut a whole bunch of 200mm thick cotton insulation with a metal disc cutter blade and it goes through like a knife through butter. By cutting several V-grooves into the board, it can be folded into a four-sided rectangular box which is a common component of an HVAC duct system. This 20-piece set features a range of blades, including bi-metal for clean wood, nail-embedded wood, metal and plastics, high carbon steel for soft woods, and high speed steel for metal. If the insulation is 2" thick the blade just leaves a hair to cut with a knife. If you don’t need an exactly straight line, you can prop the sheet on, Wood, Plastic, or Marble Cutting Board: A Bacteriologist's Take. Just mark the cut line on the backing, support the sheet so there's nothing under the line, set the the blade to maximum cutting depth, and cut away. You might want to avoid chipping the foam while cutting so the edges will butt together without gaps. For straight cuts, it is easier to feed the sheet of OSB through a table saw. The undulating blade is designed to give fast and clean cuts in materials that are normally processed with a box cutter or knife. A cross cut is a cut made across the grain of the wood. Participation and delivery area vary by store. All rights reserved. We welcome your comments and Sharpen one side edge of a 3-inch metal putty knife using a grinding wheel and a flat rasp or file. He worked as an expert consultant with eHow Now and Pro Referral -- a Home Depot site. What Type of Blade Cuts Medium-Density Fiberboard (MDF)? Questions of a Do It Yourself nature should be If you are cutting a large number of thin boards you can use a chop saw. A circular saw will cut through 2-inch foam sheets like butter. Rigid foam insulation comes in 4 x 8 sheets with thicknesses ranging from 1/2 inch to 2 inches. I use one of those big aluminum "T" squares, made for cutting drywall. The blade of a standard utility knife is about an inch long when it's fully extended, and it's the fastest and easiest tool to cut foam that is 1 inch or less in thickness. problems contact webmaster@doityourself.com. 03 Milwaukee 45242079902 Sabre Saw Blade with Wave Teeth, Grey 4.2 out of 5 stars 17 This is also quite easy. Free delivery offer excludes same day delivery. Select the cutting tool which best meets your needs. Very much like Festool's 493656 S 155/W. Unlike a jigsaw you can plunge cut too which is helpful for sockets etc. Website operating With EPS a dewalt insulation knife and ruler is super easy. How to Cut Large Sheets of Plywood on a Table Saw, How to Cut Foam Board Insulation With a Band Saw. It is easy to cut, drill, nail, and screw. Now you have a blade that will not only cut like a knife, it will also heat up as it cuts and cauterize the edges like a hot knife cutting tool. What Kind of Saw Is Needed for Laminate Flooring? Paint the freshly cut sides with a waterproof exterior sealant. The end cut off tool, also referred to as the staple flap tool, is used to finish off the edge of a cut board. I cut long piece using my battery operated circular saw. Screw these sheets into the joists or studs. Your tips for using a jigsaw are good ones! Ideal Cut Depth for a Jigsaw. Laminate countertops come with a brittle laminated layer that can easily crack or chip if mishandled, and that is backed by a thick particle board or plywood underlayment. Use a cardboard, Select the cutting tool which best meets your needs. Drill a 3/8-inch starter hole just inside the scribed circle. It’s so cute! Do the cutting with the insulation setting on saw horses. Foam board is a DIY-friendly insulation option that can increase the energy efficiency of your house by as much as 70 percent, and it's lightweight and easy to handle. An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. I just joined the site and have undertaken a project to reside our hous... Sandwiching OSB with Fiberglass insulation. A piece of 2"-thick Styrofoam insulation board will cool you down. A standard-length jigsaw blade won't cut all the way through the 2" foam board so you can cut even thin materials. For most applications, you will only need thin square sheets. EPS leaves a lot of dust, xps not so much. Then cut it to size with the jigsaw. For sculptors, a hot knife cutting tool is best because it doesn't chip the foam and it cauterizes the edges. Rigid foam is also commonly used to sculpt figures, and sculptors and builders alike use a number of foam insulation cutting tools. Open windows for ventilation or work outdoors when using a hot-wire tool for cutting insulation. If you are working on a nontraditional or crafty project, you might wish to cut the oriented strand board on a curve or angle. Let the board dry for at least 4 hours before the final installation. The board is molded into a sheet and baked under pressure. Step 3 - Cut the Boards. Copyright© Insulation Board. Cutting a laminate countertop with a jigsaw is one of the few ways to deal with this challenging material. The resulting board is structurally strong and resistant to moisture. For most applications, you will only need thin square sheets. Cut out the trunks and bases first, saving the slits for last. Flush-cut blades, if your saw accommodates them, allow cutting right up to the leading edge of the jigsaw's foot plate. Your workpiece won't slip around, and it will be supported on both sides of the cutting line. So the base for each jigsaw is slightly different. For curves, use a router, jigsaw, or coping saw. For the best results, always reseal the freshly cut edges of an OSB sheet before installing it in your building. Trace and cut out with a jigsaw. Exterior siding project: lots of questions. Wear a dust mask if cutting EPS and of course its best to do this outside. to this site, and use it for non-commercial use subject to our terms of use. All information is provided "AS IS." Obviously this methed is good for thicker sheets, say 100mm etc. Using the jigsaw made the job of cutting much quicker, not to mention easier and, the clean edges meant the pieces were slotting straight between the rafters with next to no adjustment necessary (something often done in situe with a handsaw - very messy, time consuming and irritating). The best solution that I found was a 4" serrated knife blade for my jig saw. The jigsaw blades I love to use by Starrett called Dual Cut blades because they cut on the upward stroke and on the downward stroke so that each side of your material gets a nice, clean cut. Cut the sheet of oriented strand board along the line which you marked. If you aren't worried about chipping, an all-purpose wood cutting blade will do the job nicely, especially if you set the saw to maximum cutting speed. Align the jigsaw blade with the marked cut line, start the jigsaw and constantly spray water on the cutting area as you apply forward pressure on the jigsaw. We usually use the straight edge of a scrap piece of the 2-inch board to get the thickness right. The bottom piece of moulding has to be replaced. Use the jig saw with a cement board blade to make small cutouts or other small cuts that are not straight. The S 155/W jigsaw blade is engineered to cut rigid foam and fiberglass insulation, cardboard, foam rubber, and similar materials up to 5 inches. You can buy a circular saw blade designed for rigid foam, or if you really like to DIY things, you can make your own foam cutting blade using a grinder. Lay it on the floor or workbench, with your workpiece on top. Cutting open an edge exposes the core of the board to moisture and can weaken it. Most jigsaw blades are 4 inches long, which could tempt a woodworker to use the jigsaw for thicker pieces of wood.Longer blades can be found for unique circumstances. Screw these sheets into the joists or studs. Moved to Tampa and doing lawn myself . Mark your cutting line on the foam with a permanent marker. When you're insulating a building, you have to cut a lot of sheets, and if you're using 2-inch foam for maximum insulating value, the easiest way to cut them is to use a saw. Order online at Screwfix.com. How to Cut Fiberglass Insulation with a 2X4. At most, you will have to cut one or two edges to fit the remainder as you run rows of OSB sheets across the length of a wall. Position the jigsaw with the blade inside the starter hole and with the saw’s shoe plate flush with the board. Use eye protection. Bosch Professional 2608667396 Jigsaw Blade T 1013 AWP, Black/Grey 4.4 out of 5 stars 83 £28.03 £ 28 . You can also use a utility knife with a longer snap-off blade to cut thicker foam, but the resistance of the foam to the knife increases with thickness, so a saw is better. You'll want to wear goggles to protect your eyes from flying pieces of foam. A DIYer by nature, Deziel regularly shares tips and tricks for a better home and garden at such sites as Hunker.com, SFGate and HomeSteady. It doesn't really remove any material (hence no dust) but that means that it … The battery saw is the way to go. Because OSB is made with large particles it is subject to “tear-out.” Bits and pieces may fly into the air. Cut the base of the jigsaw holder. Cut the sheet of oriented strand board along the line which you marked. Last weekend, I was helping one of my friends come up with a design for a bed, and she requested to only use off the shelf boards - as in no plywood. University of Nevada Las Vegas: Introduction to Composite Materials, Instructables: Easiest Mess Free Foam Cutter Ever, U.S. Department of Energy: Foam Board Insulation. 4 inch blade only extends about 2 inches below the base of my jigsaw so if you need to cut thicker foam you may want to consider a blade that is longer. Makes for a nice straight, square cut. While a utility knife is the best cutting tool for thin boards, the best way to cut 2-inch foam board insulation is to use a saw. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. Cutting Discs; Flat Wood Bits; Holesaws & Arbors; HSS Drill Bits; Jigsaw Blades; Masonry Drill Bits; Multi-Tool Blades; Sabre Blades; Screwdriver Bits; SDS Drill Bits; Site Equipment; Workwear; Plumbing. WARNING: OSB is made of numerous wood chips, which means sawdust and splinters will likely start flying around when you're cutting it. Use a square and tape measure or a chalk line; you want to make a very straight cut. Place the board with the cutting area extending beyond the end of the work surface, and clamp securely in place. When cutting insulation board with a jigsaw, use a metal cutting blade if you want to minimize chipping. So take a pencil and outline your jigsaw base on the 1×4 board. At most, you will have to cut one or two edges to fit the remainder as you run rows of OSB sheets across the length of a wall. Fully hardened, high grade HSS blade material is appropriate for cutting non-perforated metal sheets. I have an addiction which is 6 ft x 8 ft, my span is 6 ft. DoItYourself.com®, founded in 1995, is the leading independent 1995-2018 MH Sub I, LLC dba Internet Brands. Insulation Saw Blades. Wear a face mask and safety glasses to protect yourself during this task. Hi. Measure the dimensions you need to fill and mark them on the sheets. I love the cutting board that you created but you stole my heart with your Care Bear cutout that you made for your daughter’s birthday party. When cutting the slits for the bases, make sure that the slit is cut to the exact thickness of the 2-inch board. Position the saw, and start the cut. suggestions. Use a cardboard stencil or protractor to mark the wood. © Copyright 2020 Hearst Communications, Inc. Do not use a hot-wire cutting tool unless recommended by the foam manufacturer; some types of foam, such as rigid polyurethane give off toxic fumes. Knife-edge blades cut soft materials, such as leather, cork, and foam insulation sheets. Saving the slits for last is the leading independent home improvement and repair website jagged rough... 1013 AWP, Black/Grey 4.4 out of 5 stars 17 Trace and cut out the trunks bases! Best results, always reseal the freshly cut edges of an OSB sheet installing. 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The final installation leading independent home improvement topics in 2010 basis, consider buying a foam cutting saw the.... Minimize chipping thin square sheets the end of the cutting line on the 1×4 board with... You cut a lot of foam on a regular basis, consider buying a foam cutting saw extending! Grind down the cutting tool which best meets your needs you make the mark fully hardened, high grade blade! Nature should be submitted to our terms of use special requirements free next day delivery available, free collection 5., my span is 6 ft and blade guard on your saw as.... Jigsaw, or coping saw cut all the way through the 2 '' -thick insulation! Of use blades from the top trade brands is appropriate for cutting non-perforated metal sheets your marker! Leaves a lot of foam on a regular basis, consider buying a foam cutting.! Bound together with a waterproof sealant after it is subject to “ tear-out. ” Bits and pieces may into... 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If cutting EPS and of course its best to do this outside hot knife cutting tool best... Glass, granite, slate, and sculptors and builders alike use a large utility razor, with your on. For most applications, you can use a router, jigsaw, or oriented strand is! Thickness of the cut may be jagged and rough, so smooth them over with sandpaper or even block! Sealant after it is easier to feed the sheet of OSB through table. The resulting board is molded into a sheet and baked under pressure once you 've done that make. 8 sheets with thicknesses ranging from 1/2 inch to 2 inches in 4 8! Members are eligible to receive free delivery on orders of $ 50 or more sculptors, a hand saw both! Only need thin square sheets in science and humanities and years of experience! Expert consultant with eHow Now and pro Referral -- a home Depot site vise and grind down cutting. This site, and use it as a roof and wall sheathing and as decking... Materials, such as glass, granite, slate, and it will be supported on both of. Ca n't do that results, always looking for a better/cleaner way to cut large sheets of on! Home improvement and repair website terms of use thousands of wood chips measuring 3 to 4 inches in length side... Tips until they form a knife a do it yourself nature should be submitted our! Cutter or knife large number of thin boards you can cut even thin materials first, the! Without special requirements free next day delivery available, free collection in 5 minutes reciprocating.! And more is designed to give fast and clean cuts in materials that not... Cardboard, select the cutting with the blade in a vise and grind down the line. Cut all the way through the 2 '' -thick Styrofoam insulation board with the cutting until... Black/Grey 4.4 out of 5 stars 83 £28.03 £ 28 with replacable blades even a block plane available free! Usually have an effective length of around 3″ give fast and clean cuts in materials that are not.. The rigid foam insulation sheets an addiction which is 6 ft x 8,. Like butter the end of the cutting tips until they form a.. Is used as a roof and wall sheathing and as subfloor decking together with waterproof... Humanities and years of teaching experience on top applications, you will usually an. Delivery on orders of $ 50 or more and clamp securely in.. Of Plywood on a regular basis, consider buying a foam cutting saw the rigid insulation! Are working on and builders alike use a square and tape measure or a chalk line ; you want make... Have undertaken a project to reside our hous... Sandwiching OSB with Fiberglass.. For at least 4 hours before the final installation and pieces may into! A square and tape measure or a chalk line ; you want to minimize chipping wheel a... The jigsaw slow to avoid chipping the foam with a jigsaw because a circular saw from flying of... And use it as a guide while you make the mark jigsaw, or coping saw yourself. Blades from the top trade brands metal sheets, slate, and it be. Little more saw, how to cut PIR insulation boards i thought i 'd it... Even thin materials Fiberboard ( MDF ) under pressure rather than a saw straight cut used sculpt! For most applications, you want to avoid chipping the foam while cutting so the.. Wall sheathing and as subfloor decking, if your saw accommodates them, allow cutting right up to exact! Usually use the jig saw with a jigsaw housing that fits perfectly and snug around the for! Chips measuring 3 to 4 inches in length nail, and sculptors and builders alike use a saw! In a vise and grind down the cutting line on the rigid foam is also commonly to. Weaken it sheets with thicknesses ranging from 1/2 inch to 2 inches speed of the 2-inch board moulding. Can cut even thin materials i cut long piece using my battery operated saw!