snow

roof snow load

What’s the difference between ground and roof snow load for patio covers?

When designing outdoor structures like patio covers, one of the most critical factors to consider is the ability to support snow loads.  In regions that experience significant snowfall, the weight of snow can exert considerable pressure on a structure, making it essential to understand how snow accumulates and affects different parts of a building. Two …

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Frost Protection For Concrete Footings On Grade – Heave Explained

Footings Move When Soil Freezes. Let’s Explain. Building codes describe the design requirements of shallow foundations in regions where soil is subjected to seasonal ground freezing.  Codes require that footings be protected from frost to prevent a phenomenon known as heave. Frost heave occurs when water penetrates the ground soil and subsequently freezes. When water …

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