... the following information: 1. Dimension: Length, width, height, eave height, roof pitch, etc. 2. Doors and windows: Dimension, quantity, position to ... them. 3. Local climate: Wind speed, snow load, etc. 4. Insulation material: Sandwich panel or steel sheet. 5. Crane beam: Do you ... . If you have other requirements, such as fire proofing, isolated roof, etc, please also inform us. 8. It's better if ...