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How is truss roof sheeting installed?

  1. Install ridge blocking, all permanent bracing and remove temporary bracing.

  2. Remove all temporary bracing and sheet roof.

  3. Install ridge blocking, sheet roof and remove temporary bracing as it gets in the way of the sheeting then install the permanent bracing.

  4. Install ridge blocking and permanent bracing then remove temporary bracing as it gets in the way of the roof sheeting.

The correct answer is: Install ridge blocking, sheet roof and remove temporary bracing as it gets in the way of the sheeting then install the permanent bracing.

By installing ridge blocking and sheeting the roof, the temporary bracing may create an obstacle. Permanent bracing is essential to maintaining the structure of a roof, so it is important to install this before removing temporary bracing. This is why the correct order is to install ridge blocking, sheet the roof, and then install the permanent bracing before removing temporary bracing. Option A is incorrect as it suggests removing all temporary bracing before installing permanent bracing, leaving the roof vulnerable and unstable. Option B is incorrect as it suggests sheeting the roof before installing any permanent or temporary bracing, which could lead to structural issues. Option D is incorrect as it suggests removing temporary bracing before installing permanent bracing, which could also lead to stability issues. Therefore, option C is the correct answer.