Let's do 105° angle. That pitch correlates to the angle of the rafter that hits the ridge. Common lines made using a Speed Square include perpendicular cut marks, and angles for roofs, stairways, and decks. If only for that easy accessibility, Speed Square should be one tool that you definitely own. It is marked with the word Pivot at the right angle point and displays Degrees on its hypotenuse, Common and Hip/Val markings on its midsection. All in all, subtract 90 from the total angle you want and use that number to make your mark. My understanding is what you call a 2x4 The 4 stands for 3.5" as you mentioned or 1 and 3/4 by 3.5 inches. This means when a board is squared off the tool reads 0°. Bathroom cabinets, too, may be squared. Another thing is on the back, it has a nice common rafter conversion chart with runs and degrees. Instead, remove the square and cut by following the line. All you have to do it turn the square to where the angled side is lined up with your mark. How to: Because Speed Square is so versatile, you may forget that it is still a square. How to: The ability to squarely cut two-by-fours is a classic Speed Square maneuver and is well worth the price of the tool just for this. In the back of the book, it gives you all the measurements you need for making rafters, you find the length and width of your building and there ya go. With the tool unplugged, rest one side of the Speed Square against the side of the blade. Place the square on the material with the pivot point facing up. This can be tricky and will show you why later on. These triangular devices have been used by makers for decades. This is what a house structure looks like, not to scale, but it gives you the picture. If there is a gap, this means that the two elements are not square with each other. How can a single piece of heavy-gauge aluminum with no moving parts attract so many fervent fans? We are going to show you what you can do with these features here, but keep in mind that a lot of squares don't come with said features. You Need to: Lop off a two-by-four, yet do it quickly and perfectly square. If you have a top and bottom plate, you can just transfer those lines and that's the reason for the length of a square. It is so easy to add metric measurements and to compute areas and volumes without need to convert. Draw a line along the side of the square with the inches (pivot side) to indicate the angle for cutting. Note that Speed Square actually measures up to 7 inches, not 6 inches. This one does have nice scribe lines that will work better with a regular pencil or pen. Place your pencil in Speed Square's so-called Diamond cutout (for 3 1/2 inches) or in one of the ten notches located in the triangular cutout (for 3/8-inch to 3 inches). The one on the left is a 20-year-old Swanson, and the one on the right is a newer one that we use daily. Genuine Swanson Speed® Squares also have a diamond shape cutout on the ruler side at 3½ inches. In short, Speed Square is probably the only square you can obtain that will fit within your toolbox. You’ll need a plumb bob or a string and nut. This all aluminum speed square from Husky is a bit thicker than most of the squares out there. This is Molly and Dylan from the YouTube Channel Woodbrew:) We started a custom furniture business after high school and that has turned into creating DIY content online. Swanson Tool Co., Inc. describes the tool as a "Try Square, Miter Square, Protractor, Line Scriber, & Saw Guide" in one. Do not let the saw blade run against the square. Speed Square is best as squaring up smaller, shorter things rather than walls, because it is only 7 inches long (though Swanson also does offer a 12-inch version). This 6:12 pitch is a 26 1/2° angle. I knew they had other uses other than just 45 and 90 degree angles. Embedded degree gradations on the tool eliminate complex trigonometry, making for speedy lines. This would be a great layout tool for putting a wall stud in place. The sum of the angles equals 90 degrees(22.5° +67.5°= 90°). Never seen the speed square in any craft, hobby or hardware shops. In your article and video, you said a 12:12 pitch is a 45° pitch. Among its basic uses are marking common, hip, valley and hip, or valley jack rafters, laying out stair stringers, determining and marking angles, and making square cuts on boards. 2 months ago. U.S. Patent and Trademark Office Database - SPEED, U.S. Patent and Trademark Office Database - SPEED SQUARE, How to Use a Swanson Speed Square as a Framers Square, https://en.wikipedia.org/w/index.php?title=Speed_square&oldid=985742049, Creative Commons Attribution-ShareAlike License, This page was last edited on 27 October 2020, at 18:03. Hopefully, in this blog, we can show you how to use a speed square to its full potential. Ever wonder why every contractor you see has a triangular square … This one isn't really the best for us, we don't build buildings, so the chart or the larger scribe marks aren't a selling point in our case, but it could totally be for you. I'm not sure how well I can explain the birdsmouth section in words, so I am going to refer you to the video at the top which this part starts at 17:30. Did you make this project? Moving onto another 12" speed square, this one is all aluminum from Empire. Hold the square firmly. Use a regular pencil, not a carpenter's pencil. Or use it as a stand for letting the Speed Square stand up by itself. How to: Because Speed Square is so versatile, you may forget that it is still a square. He later founded Swanson Tool Company, Inc. to produce it. The other side of the square should rest against the bottom of the saw. angle = arctan(rise/run) arctan(6/12) = 26.6°. Let's move beyond 90° angles. By using The Spruce, you accept our, Select Speed Square Markings and Features, How to Install Shoe Molding or Quarter-Round Molding, How to Make a DIY Coat Hook for Your Home, How to Replace a Section of Decking Board, How to Install a Ceiling-Mounted Pull Up Bar, How to Fit Baseboards With Mitered Inside Corners. This tool uses a 0° reference. You can use a speed square as a guide for power tools, mostly done with a circular saw and man is this easy! To find an angle such as 22.5°, hold the end of the square marked "pivot" against the board and rotate the square until the edge of the board lines up with appropriate number on the degree scale. The Swanson Speed Square comes with a pocket sized blue reference book that describes the tool's functions and contains charts for rafter lengths and widths from 3 to 40 feet. (Perhaps that is on another video.) You want to form a 90-degree angle with those pieces. Another thing to think about and check is to make sure the square is actually square. But it's just a great tool to have when building anything! This is just something to look for every now and then. Say you want a simple 45° angle.
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