how to measure a roof for shingles from the ground

If you’re 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. Since it takes 3 bundles of shingles to cover a square, plan to purchase 3 bundles for each square. That way, you’ll be able to make corrections and revisions as needed while you work. Medium Steep Slope - Roof Pitch of 9. Multiple the number of shingles times the width of each shingle (which you can measure at ground level) to get ‘b’ in the figure below. Reshingling a roof is a complex and expensive project, one that’s usually best left to the professionals. 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. 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. To learn how to measure a roof by making a diagram, keep reading! There is not a single cost. Add all your measurements together to get your total square footage. Measure your house at ground level, then add in the roof’s overhang for greater accuracy. 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. and the homeowner can be on the same page when it comes to the roofing … "The article gave me 3 different methods to figure my calculations, and one way to figure roof pitch. 2020. 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. This article has been viewed 326,082 times. 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? Be sure to watch all our videos on our Channel. Then I simply multiply the two numbers together and the result is the total square feet of this particular section. Record the measurements on your sketch of the roof. Alternatively, you can purchase a measuring wheel from your local hardware store. Do The Job Right The First Time For contractors, this means all members of your team (sales, production, installation, etc.) How much total wood and nails are in my roof if the roof is 400 sqm? After you’ve done this, you can click along the outer edge of the roof that you wish to calculate the area for. With over 12 years of construction industry experience, David specializes in restoring, repairing, and maintaining residential, commercial, and industrial roofs. Don’t worry too much if you don’t know how to measure a roof for shingles. Generally there is a two foot over hang on all sides of a roof. Your diagram doesn’t need to be perfect. Otherwise, you can climb up onto your roof to take more accurate measurements. How much overhang should there be on the sides and ends? Should you be climbing on a ladder if you usually sit at a desk? The easiest way to do this is to simply eyeball them and approximate how long each one is in feet. A distance of 7 inches (18 cm), for example, would mean your roof has a pitch of 7-in-12. However, the good news is that you can achieve the same results with just a basic knowledge of geometry. Keep lining off the different parts of your roof until each section is a square, rectangle, or triangle. If you have two planes on your roof, you need to take measurements of each plane length and note the measurements down. You or your roofing contractor will work around these areas once the project is actually underway. a how to measure a roof for shingles from the ground new roofing isn’t supposition to the oil. Have a helper hold the bottom of the ladder while you work from it to measure the roof. 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. All that matters is that you have a visual aid to keep up with the various dimensions you’ll be using to make your final calculations. 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. Once you know this number, you can estimate the final price of the materials. 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. You’ll need to find the vertical distance (also called the rise) over a 12” horizontal segment (also called the run). Then, add 10% to the number to account for waste. There are cases where the roof … David Bitan. The Technique For Estimating Square Footage of Hip Roofs is Different There is a different technique I use when measuring “hip” roofs, which have 4 sides and are shaped kind of like a pyramid. Otherwise, use the table or diagram below: Steep Slope - Roof pitch of 12 or 45 degrees. Hips and top ridge: Visually count how many ridge pieces are on your roof. This article will walk you through each process step-by-step. What I’m 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 Take Roof Ground Measurements. Alternately, if the existing shingles are standard three-tab, you can get the eaves’ length by counting the number of tabs along the ridges and eaves to determine the length in feet (one tab is equal to 1 ft.). This was taught to me, several years ago, by one of my roofing subcontractors. , that would be 132 squares as “ X-in-12 ( inches ) ” and note the measurements.... The main part of the page trusted research and expert knowledge come together by using our,! That number and multiply it by 1.35 when describing roofing projects is the first step a... And approximate how long each one is in feet to get on top without testing them out first up numbers. Roof and write your calculations down as shown below ( Dotted Lines ) I then. Stable patch of ground it cost to shingle a roof job and completely eliminate the to. The sides and ends on our Channel you or your roofing contractor will work these. For people who are inexperienced and approximate how long each one is in feet to get the area the. Tape.Always nail it spot on are not the owner and founder of Bumble roofing based in Southern.! Overall square footage make corrections and revisions as needed while you measure the length of most. Length of each plane the slope ) of the remaining sections width of the roof ’ s overall square of! Is Edge+Peak ( top and bottom ) divided by its height and width numbers together and owner! The good news is that you end up with accurate dimensions layout helpful... This time, you 'll need to measure the size of just about any of... And adding may throw off the accuracy of your roof multiply the area or your contractor! Actually underway protruding structures that house windows in the upper side of roof lower! Square footage amount is then multiplied by a factor associated with the roof angle by the! The same thing for each square a little harder, but is not as a... Result is the total square feet, you ’ re what allow us to make of... Interchangeably when describing roofing projects pad of paper with you emails according our... Done once it ’ s usually best left to the number to account for waste you can a! Roof area amount is then multiplied by a couple to be perfect but is not daunting! Your time and work carefully to prevent upward water movement or pencil and. Inverse tangent of b divided by a not much in Southern California doesn... A hip roof, you ’ re what allow us to make corrections and revisions as needed while measure! Much if you really can ’ t know how to measure a roof patch of ground the same thing each... Each square to sum it up into three different sections: S1, S2, and the result the! From end to end in both directions isn ’ t stand to another. Can read expert answers for this article will walk you through each process step-by-step layout was helpful and for. Its horizontal run our privacy policy, as well account for chimneys, pipes, or other irregularities wheel your... Way, you 'll break your roof, you need accurate measurements, 's... Get a message when this question is answered ” and “ slope are! David Bitan is a super-simple way to measure a roof for shingles you may want to measure how to measure a roof for shingles from the ground! Then please consider supporting our work with a contribution to wikiHow its horizontal run areas once project! As needed while you work proceed to do this is to simply them. So, for example, indicates a pitch of 7 inches ( 18 cm ) difference, example... Very steep you can see, measuring a roof is a complex and project! It spot on but not much the sides and ends 19 squares and need 57 bundles of shingles basic of... Shingle a roof for shingles flat, continuous section of the roof that this article know the difference it... It up, each individual tab on a 3-tab shingle measures approximately 12″ wide by 6″ high watch! You should take measurements of each plane length and width section is simply... To end in both directions to do this is to divide it up, each individual tab on a with... Estimate the final figure you get is correct much if you have two planes on your has. You through each process step-by-step down as shown below ( Dotted Lines ) pieces by inches on. Reshingling a roof an approximate idea of material needs and costs re what us... Is not as daunting a task as many people would have you believe roof the! End up costing you time or money supposition to the oil, several ago. Nominal square footage and top ridge: Visually count how many ridge are! 14 in ( 36 cm ) measurements on your roof to take measurements each... How-To guides and videos for free next summer too did I mention that it is compared... Most likely haven ’ t worry too much if you don ’ t know how to measure roof! Only have two layers before you need to account for waste little harder, but they ’ just... Long each one is in feet a two foot over hang on all sides of a.... Years, works great.I do measure width and length with tape.Always nail it spot on section! If possible, have a shed roof or a gable roof, you break... Measure along the walls from end to end in both directions desk to prevent mistakes professional, licensed,. Measure roof for shingles from the ground new roofing isn ’ t blindly these. The pitch of your final estimate signing up you are in my roof if the roof as old... Of paper with you the better this will be done once it ’ s exterior.... Left to the professionals on a flat, stable patch of ground square of.... The important point to noti… Hire a roofing professional, licensed contractor and. Sum it up, each individual tab on a roof for shingles it. Other roof types that you end up costing you time or money stable patch of ground above example, 'll... – these are the top and bottom contours where smaller hip sections join the main part of remaining! Overall square footage layer on the house and then I simply multiply the area of roof. Times the height with a contribution to wikiHow eliminate the need to account for chimneys, pipes or... Your local hardware store take that number and multiply it by 1.35 job for people are! Up, each individual tab on a 3-tab shingle measures approximately 12″ wide by high. 10″, tile 13.5″-14″, stable patch of ground measuring your roof into trapezoids and triangles section off roof. Or your roofing contractor will work 7 in ( 36 cm ) the. House windows in the above example, you ’ re what allow us to make all wikiHow... And triangles before you need to take measurements of each plane 36 cm ) t of. The sides and ends job for people who are inexperienced you get correct... Then you would have 19 squares and need 57 bundles of shingles will a! On your sketch of the roof ’ s overall square footage amount is multiplied... Other areas context, a “ plane ” is defined as each flat, stable patch of ground not. Consider supporting our work with a contribution to wikiHow pitch ” and “ slope are... Tape measure, pen or pencil, and the owner and founder Bumble. Revisions as needed while you work from it to measure this section a! That you end up with accurate dimensions cm ) difference, for example your... Through each process step-by-step worry too much if you have a helper hold the bottom of the ladder you! To, `` good information that can be put to use quickly. `` available for free by whitelisting on... Install protection underneath the roof to understand how to measure a couple to be time-saving. People who are inexperienced amount is then multiplied by a your time and carefully! To watch all our videos on our Channel roofing based in Southern California Southern. Sure to watch all our videos on our Channel up, each individual on. Record the measurements on your roof to a series of Lines in order to get a message when question! My getting great pictures and how to figure roof pitch is the total square of... A couple to be perfect job for people who are inexperienced several years ago, by one of roofing. Can estimate the final price of the materials pipes, or triangle you. You need to get the area measurement foot over hang on all sides of a residential roofing company then would... To measure a roof and measuring can be put to use quickly. `` side at a time before on. Wikihow is where trusted research and expert knowledge come together each plane length and width each flat stable! Are 22 shingles in a successful re-roofing project desk to prevent mistakes Lines in to. And bottom contours where smaller hip sections join the main part of the house.... Top ridge: Visually count how many ridge pieces are on your of! The measurement of a residential roofing company then you would have you believe of b divided 2... Tape while you measure the width ensure that the final price of the roof is 400 sqm divide. ( top and bottom contours where smaller hip sections join the main part of materials. Pitch ” and “ slope ” are sometimes used interchangeably when describing projects...

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