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Snow Load Calculator

For flat roof buildings in Canada

To get the maximum height of snow your roof can support, please enter your building information below.

Building Information

Our calculator uses the edition preceding the year of a building's construction to select the nearest city and calculate the appropriate snow load limits.

Roof Size

Width
Length

Your limits

Maximum snow height your roof can support, by density:

Ice
Compact snow
Powdery snow

Nearest building code location: 

Lisez pourquoi la hauteur de neige n'est pas un bon indicateur.

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The Tensio system takes precise readings in realtime.

In case of disparity with the NBCC, the NBCC prevails.

If your roof is sloped or has height differences, contact us for an in-depth analysis.