Roof step

• Create an automatic roof
• Create a multi-slopes roof
• Create a gable roof
• Create a single slope roof
• Create a flat roof
• Modify a roof
• Insert dormers and wall dormers
• Add overhangs on a roof
• Insert roof scuppers
• Create an automatic roof valley
• Create a manual roof valley
• Create a bonnet roof
• Create a chimney
• Represent roof thicknesses