Start from a local requirement
Use a requirement from local code, an engineer, permit documentation or another qualified project source. We do not infer design loads from a ZIP code.
Pergola wind & snow finder
Enter a wind or snow threshold you already know and filter the catalog to products with documented published evidence at or above it. Conditions stay visible because the number alone is not enough.
Read the conditions
Anchoring, exact size, assembly method and roof position can determine whether a published wind or snow figure applies.
Resolve evidence gaps
A missing figure means “not verified in our current evidence,” not zero structural capacity. Resolve the gap before using the product for a weather-sensitive project.