## how to measure a roof for shingles from the ground

This time, you'll break your roof into trapezoids and triangles. Even a small miscalculation could end up costing you time or money. To be sure these measurements are accurate, you might want to measure the width of your driveway with an actual tape measure and compare it to what Google Earth tells you its distance is. How many bundles of three-tab equals one square? With over 60 years of combined experience, Bumble Roofing provides easy, friendly services to structures including residential, commercial, industrial, multi-family, and government buildings along with hospitals, hotels, and churches. Start the task from the upper side of roof the lower part. It is also easy to calculate the roof angle by taking the inverse tangent of b divided by a. We also live in an institution shake. I would then, of course, proceed to do the same thing for each of the remaining sections. This will be done once itâs time to determine the number of shingles you need. Multiply the pieces by inches based on exposure, then divide by feet. David Bitan is a roofing professional, licensed contractor, and the owner and founder of Bumble Roofing based in Southern California. We know ads can be annoying, but theyâre what allow us to make all of wikiHow available for free. Regardless of which brand of camera you use, I have found that the most important feature is the âsize of the zoomâ because it allows you to take great photos of just about any roof while standing on the ground. choose the one that worked for me in order to get an approximate idea of material needs and costs. How to Take Roof Ground Measurements. Your diagram doesnât need to be perfect. Since these triangular sections are only a small percentage of the entire roof, I just use the resulting number even though it is slightly larger than the actual. how to measure a roof for shingles. How to Measure Your Roof for Shingles. Been doing the count method 20 years , works great.I do measure width and length with tape.Always nail it spot on. After youâve done this, you can click along the outer edge of the roof that you wish to calculate the area for. Then each measurement is recorded on the diagram, applicable to that roof surface. How much overhang should there be on the sides and ends? Looking for a quicker way of measuring a roof without climbing on it for estimates. However, the good news is that you can achieve the same results with just a basic knowledge of geometry. and the homeowner can be on the same page when it comes to the roofing âŠ Pitch is expressed as âX-in-12 (inches)â. There is a right way. a how to measure a roof for shingles from the ground new roofing isnât supposition to the oil. With these simple tricks you can measure your roof âŠ Youâre just looking for the outer perimeter at this stage. By signing up you are agreeing to receive emails according to our privacy policy. These roofs make it tough to count shingles so, through trial and error, I came up with a little calculation that has provided me with another simple but accurate estimation. eg: Exposure comp shingles 5.5âł, shake 10âł, tile 13.5âł-14âł. Once the area of the roofâs footprint is known, the overall roof area can be found by accounting for the roofâs pitch. To estimate roofing materials, start by finding the total square footage of the roof and divide the number by 100 to determine the number of "squares" in the roof. Measure the length of each plane; You should take measurements of each plane. Complete one side at a time before moving on to other areas. I have done it this way before, but the only issue with this method is that shingles generally have 5 inches revealed instead of 6 inches. Roof Shingles Calculator: Whether you are installing a new roof or renovating an old one, quality Roof Shingles will help you achieve a professional finish. December. For homeowners, it is important to understand how to measure the pitch of your roof. Along with the roofâs pitch, youâll use these 2 dimensions to calculate the roofâs overall square footage. The idea is to reduce your roof to a series of lines in order to simplify your subsequent calculations. Once you know this number, you can estimate the final price of the materials. An important part of any roofing repair or replacement project is being able to accurately calculate the quantity of roofing materials required to finish the job. Then I simply multiply the two numbers together and the result is the total square feet of this particular section. Home. This was taught to me, several years ago, by one of my roofing subcontractors. However, because walking on a roof and measuring can be difficult, it can be a dangerous job for people who are inexperienced. Climb onto your roof and measure each section by its height and width. It is often compared to slope, but is not exactly the same. I then multiply these 2 numbers together and I take that number and multiply it by 1.35. First, measure the length of the eaves of each roof plane, either directly or from the ground by measuring the length of the house and adding in the width of the rake overhangs, if any. But I would rather slightly over-estimate the size of a roof job rather than under-estimate it, like I did a few times early on. Set up a ladder to allow access to the roof, making sure that the feet of the ladder are resting on firm ground and the angle of the ladder to the roof is no less than 35 degrees. If youâre completely stumped about how to determine the square footage of an oddly-shaped roof on your own, consider hiring a remote roof measuring service to take care of the difficult measuring and calculating for you. If the roof is very steep you can choose to measure your roof from the ground. Mansard 4. Determine the Roof Pitch. If you have a hip roof, it's a little harder, but not much. Please donât blindly use these methods without testing them out first. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Though this measurement will not be quite as precise as if you got on the roof and measured each section exactly, a roof measurement from the ground will provide you with numbers close enough to get a fairly accurate estimate. This article has been viewed 326,082 times. Your roofer will measure the surface of your roof to determine the total square footage, which will dictate how many shingles must be purchased to fully cover the roofâs planes. There are cases where the roof âŠ Dormers are separate protruding structures that house windows in the upper floors of the house. If your roof measures 48 feet (15Â m) x 24 feet (7.3Â m), multiplying its length by its width would give you a square footage of 1,152 square feet (107.0Â m. Always order 10% more materials than you think you need to account for waste, and round up to make sure you don't come up short. The first technique is referred to as the âShingle Countâ Method, which is used for estimating the measurements of all rectangular-shaped sections of a roof. If youâre using a 1Â ft (0.30Â m) level, the pitch is the distance between the edge of the level and the roofâs surface. As you can see, S1 and S3 are the same size, but you still need to document all measurement points to verify your material calculation accuracy. These are four of the most common for residential homeowners: 1. By using our site, you agree to our. As you can see, measuring a roof for shingles is not as daunting a task as many people would have you believe. How To Measure A Roof Using Google Earth Itâs actually a simple process to get the ballpark square footage of a roof with Google Earth. This nominal square footage amount is then multiplied by a factor associated with the roofâs pitch. There are some companies that will give you a price without knowing any details of the work, but that is not something I would recommend. Next, use the pitch to look up the pitch multiplier for the roof online. C. The easiest way to measure this section is to divide it up into three different sections: S1, S2, and S3. In the United States, a run of 12 inches (1 foot) is used, and pitch is measured as the rise of the roof over 12 inches. If you use a measuring tape, you'll need someone to hold the tape while you measure the area. Alternatively, you can purchase a measuring wheel from your local hardware store. Rounding before you begin multiplying and adding may throw off the accuracy of your final estimate. Stretch your tape measure along the walls from end to end in both directions. Support wikiHow by You can actually get an estimate of your roof's measurements from the ground if you'd rather not climb a ladder and get up on the roof yourself. Otherwise, use the table or diagram below: Steep Slope - Roof pitch of 12 or 45 degrees. That way, youâll be able to make corrections and revisions as needed while you work. You or your roofing contractor will work around these areas once the project is actually underway. Donât round your roof measurements up or down. This article will walk you through each process step-by-step. I typically begin by counting the # of shingles from left to right, which gives me the total width of the section (in feet). Estimating the area from ground level is less precise than measuring each side individually, but it can make a quick, easy, and safe alternative when redoing a square or rectangular roof. A 14Â in (36Â cm) difference, for example, indicates a pitch of 7Â in (18Â cm). I typically begin by counting the # of shingles from left to right, which gives me the total width of the section (in feet). As the old handyman's adage says, always measure twice to ensure that you end up with accurate dimensions. David Bitan is a roofing professional, licensed contractor, and the owner and founder of Bumble Roofing based in Southern California. All that matters is that you have a visual aid to keep up with the various dimensions youâll be using to make your final calculations. To measure an irregularly-shaped roof, you'll need to get on top. Now take the square footage of your roof and divide it by 100 to determine the total squares of shingles you need to cover your roof. Either way, we've got you covered! Roofing Contractor & Maintenance Professional. Medium Low Slope - Roof Pitch of 3 or 4. ", "Good information that can be put to use quickly.". What Iâm about to share with you is one of the best kept secrets for measuring residential roofing jobs without your feet leaving the ground. How to Measure a Roof for Shingles. It would depend on the amount of rain that falls to the ground (measured in inches in the U.S) when it rains, air temperature and wind. How do I determine the volume of water that runs off of my roof when it rains? This was before I started using these two calculations. When I encounter any triangular-shaped roof sections such as dormers, I basically count the shingles from side to side where ever it is the widest and then count the shingles from the gutter to the peak, while remembering that each shingle is approx 12âł wide x 6âł high. Medium Slope - Roof Pitch of 6. Gambrel The important point to notiâŠ Record these measurements in your notebook. To learn how to measure a roof by making a diagram, keep reading! But there are many other roof types that you might encounter. Then calculate the line length of the roof (âcâ in the figure) using the Pythagorean Theorem; c = square root (a squared + b squared). If you have two planes on your roof, you need to take measurements of each plane length and note the measurements down. Would throwing a rubber ball attached to a cord to catch on the ridge of the roof and measuring the twine would be more accurate? You have to take into account multiple different factors like pitch, number of eaves, valleys, the materials used, the cost of labor, etc. If you don't know the difference, it's best to stay off the roof. Yes, as long as there is only one layer on the house already. Last Updated: January 13, 2021 On your next roofing estimate, I suggest that you compare the total square footage number you get by actually measuring a roof to the number you end up with after using these 2 little calculations. The pitch of a roof, or roof slope, helps determine how quickly excess water, snowfall, or debris will fall off of the roof. It is a super-simple way to quickly and safely measure the size of just about any style of asphalt shingle roof. Finally, multiply the area by the pitch multiplier to determine the roof's square footage. Once you see how surprisingly close the end result numbers are to each other, you can then decide whether or not to retire your ladder, with confidence. Multiple the number of shingles times the width of each shingle (which you can measure at ground level) to get âbâ in the figure below. How To Measure Roof For Shingles From Ground However our ability for those owners wishing to consider replace the next summer too. Prepare the roof deck for the project. Include your email address to get a message when this question is answered. Roof measurements are then used to quote any roofing job and completely eliminate the need to re-measure. Measure out from the face of the wall below the fascia or rafter tails to a point that aligns with the outer edge of the roof. This article was co-authored by David Bitan. Instructional: 3 D Animation, showing you how to measure your roof. Measure the peaks and edges. This has shed a light on my getting great pictures and how to accurately measure the roof from the ground. Pull up an online roofing calculator if you need help finding the area of irregularly-shaped roof sections (or you just want to double-check your work). If you are not the owner of a residential roofing company then you most likely havenât heard of this before. When using this second calculation, the total square footage number you end up with may be a little higher than the what is actually there. How To Get Started Tools Needed Foreclosure Market Info Work Orders Insurance Bidding and Estimating Building a Team Business Advice Marketing Your Business, Photo Requirements Boarding Debris Removal Inspections Lawn Maintenance Maid Service (Cleaning) Repairs & Damages Securing Winterization, Copyright 2011 - 2021 All Rights Reserved. wikiHow is where trusted research and expert knowledge come together. Roofing Measurements Using Google Earth Each time you add points, the area will update and there is a box below that will convert this into acres, meters, kilometers, miles, and finally, square feet. Calculate the minimum roof slope for shingles and learning the important reasons why the slope is important component. Available in a choice of colours, sizes and styles to complement both traditional and modern properties, roofing shingles are an affordable alternative to roof âŠ Measure your house at ground level, then add in the roofâs overhang for greater accuracy. Be sure to catch our funny one! % of people told us that this article helped them. Next step, you need to measure the pitch (also known as the slope) of the roof deck. There are 25 references cited in this article, which can be found at the bottom of the page. If possible, have a helper hold it for you to stabilize it as you climb. How to measure a roof for shingles (step-by-step) The process of accurately measuring a roof involves first making a diagram of the roof to show the basic shapes of each roof plain and how they relate to one another. Roofing Contractor & Maintenance Professional. Have a helper hold the bottom of the ladder while you work from it to measure the roof. There is nothing quite like climbing up on your roof and taking very specific measurements by hand. As an example, if your overhang is 12 inches, youâll add 2 feet to the overall length and 2 feet to the overall width of the house. There is not a single cost. Using Google is great for a rough estimate, but when youâre ready to order the materials you should take accurate field measurements of the job. Expert Interview. Using the above example, that would be 132 squares. We use cookies to make wikiHow great. How much does it cost to shingle a roof by square footage? Once you've measured the buildingâs walls, estimate the length of the overhangs on either side (if your roof has them). Install protection underneath the roof the desk to prevent upward water movement. 14 July 2020. Did I mention that it is highly accurate, as well? If you have a roof section that's 30 feet (9.1Â m) long and 12 feet (3.7Â m) high, multiplying those dimensions would give you an area of 180 square feet (17Â m. Measure and mark the square footage of each triangular section carefully, as these tend to differ in size. If a section is 120 feet (37Â m) x 100 feet (30Â m), its total square footage would be 12,000 square feet (1,100Â m. Be sure to find the area of any dormers on your roof, as well. Be sure to watch all our videos on our Channel. The terms âpitchâ and âslopeâ are sometimes used interchangeably when describing roofing projects. The âŠ Finding the Total Roof Area. So, for a roof with a total square footage of 4,200 square feet, youâll need 42 squares of shingle material. Roof walking is for seasoned and experienced professionals. This article has been viewed 326,082 times. How to measure a roof In the sample below you will have 5 different calculations and that should match the number of sections you wrote down, when you started. References. To sum it up, each individual tab on a 3-tab shingle measures approximately 12âł wide by 6âł high. If youâre having a brand new roof installed, youâll need to order the same amount of underlayment material as shingles. To learn how to measure a roof by making a diagram, keep reading! And then I will count the # of rows of shingles between the gutter and the peak of the roof and then divide the number by 2, which gives me the height measurement. Multiply the length by the width in feet to get the area measurement. They're ordinarily roofed separately. Gable 3. Bring a tape measure, pen or pencil, and notebook or pad of paper with you. In the above example, you'd need 15 squares. A distance of 7 inches (18Â cm), for example, would mean your roof has a pitch of 7-in-12. How much total wood and nails are in my roof if the roof is 400 sqm? The roof pitch is measured by how much the roof âŠ You should be able to pull up a number of reliable pitch multiplier tables with a quick Internet search. Should you be climbing on a ladder if you usually sit at a desk? 2020. Add up the numbers a few times to ensure that the final figure you get is correct. How To Measure A Roof From The GroundIn roofing sales, you'll sometimes need to get quick roof measurements to help you ballpark costs on an estimate. This article was co-authored by David Bitan. Remember that the length and width need to be found for the roof, not the house, so take into account that the roof overhangs the building. Otherwise, you can climb up onto your roof to take more accurate measurements. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/17\/Measure-a-Roof-Step-12-Version-2.jpg\/v4-460px-Measure-a-Roof-Step-12-Version-2.jpg","bigUrl":"\/images\/thumb\/1\/17\/Measure-a-Roof-Step-12-Version-2.jpg\/aid1152657-v4-728px-Measure-a-Roof-Step-12-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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