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Permissible snow load: USA. If you live in the US, our snow load calculator compares the total weight on your roof with the permissible load calculated according to the standards issued by the American Society of Civil Engineers regarding the Minimum Design Loads for Buildings and Other Structures (ASCE7-16).


Online Snow Load Calculator(for Buildings with Flat or Low Slope Roofs - for Balanced Snow, Drift, and Rain-on-Snow Surcharge Loadings) calculator (ASCE 7-05) for structural engineers, construction professionals and building planners.


After that, you'll need to use a snow load calculator. It's quite easy to find one online. Enter the information requested – like the rise and the roof, ground snow load for your city, exposure, roof type etc. – then follow the instructions. The calculator will tell you the pounds per square foot of snow.


The intent of the snow load calculator is to give you the appropriate balanced and unbalanced snow load as per the ASCE 7-10. What is required is the ground snow load and some general information about your roof. It all pretty much follows a very simple algorithm set out in chapter 7 "Snow Loads".


Disclaimer: This calculator is not intended to be used for the design of actual structures, but only for schematic (preliminary) understanding of structural design principles. For the design of an actual structure, a competent professional should be consulted. Calculations are based on recommendations in ASCE/SEI 7-10 Minimum Design Loads for Buildings and Other Structures.


Snow-related building collapses are usually caused by heavy loads of snow on roofs. Learn how to calculate your roof snow load and deal with it.


The snow load calculations provided by this online tool are for educational and illustrative purposes only. Medeek Design assumes no liability or loss for any designs presented and does not guarantee fitness for use. *Advertisements: This web based application is made freely available courtesy of the advertisements displayed on this page.


Excessive roof snow load can cause your barn to collapse. When heavy snow meets fierce winds, even the best-engineered buildings can collapse. That’s why it’s important to calculate your roof load and be adequately insured for this type of situation.


Snow load is the additional weight on a roof structure added by snow and ice buildup on the roof. Calculating the snow load is crucial to determining if the structure can handle the additional weight of the snow. The ATC has a snow load hazard tool that can help you identify when a snow load presents a hazard to the structure.


This is a beta release of the new ATC Hazards by Location website. Please contact us with feedback.