Skip to content

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


Your limits

Maximum snow height your roof can support, by density:

Compact snow
Powdery snow

Nearest building code location: 

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

Learn more about preventive building maintenance

Subscribe to our newsletter to receive news from Tensio and tips on how to maintain your building.

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.