Insulated Roof Panel System | Cassette Roof System | Smartroof

Smartroof is an insulated roof panel system designed to deliver a room in roof system in only one day.
The offsite cassette roof system is manufactured in a controlled factory environment and provides house builders with a range of benefits including:
-Improved health and safety
-Cost certainty
-Consistent quality
-Speed of construction
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[@clarklampson215]

Your timber joists run horizontally, normal to the pitch of the roof. You show no blocking between them. How does this system support the upper roof load without your timber joists rotating flat down onto the osb sheathing? Any steeply pitched roof can have substantial shear loads in the plane of the roof due to dead + live load (think snow load) and there doesn't seem to be any substantial structural elements in this design to resist rotation and collapse of these elements. Are you relying on the density of insulation to provide blocking?