Snow, water, stored materials, and equipment all add load to a roof. A video showing a particular roof holding materials does not establish the safe capacity of that roof or any other building.

What to check first

  • Do not use this historical delivery video as permission to store materials on a roof.
  • Keep people away from areas showing sagging, unusual movement, or other signs of distress and seek urgent professional help.
  • Have snow removal, drainage problems, and proposed added loads assessed for the specific building.

Choose a safe next step

  1. Observe without creating another hazard

    Use indoor and ground-level observations where access is unsafe. Stay away from roof edges, skylight openings, electrical hazards, and soft or visibly distressed areas.

  2. Do not infer structural capacity

    A photograph or video cannot establish allowable loading, deck strength, or safe access. Added materials, snow, and water must be considered for the particular building.

  3. Use qualified help where the risk demands it

    Leave structural assessment, hazardous access, torch application, and concealed assembly failures to appropriate professionals. Product instructions do not replace safe access or a sound substrate.

Watch the field examples

These archive demonstrations show individual projects. Use the current guidance above and Bergstrom’s published instructions if an older video shows a different product or method. Torch work shown in installation videos is professional work.

Watch Roof Loading and Snow: A Video Is Not a Capacity TestOpens on YouTube ↗

Product reference: Bergstrom Industries’ published knowledge catalog. Follow the latest product label and safety information. Historical project examples are educational and are not a specification for every roof.