Mockups aren't just pretty sneak peeks; they confirm fastening techniques, development joints, drainage

https://www.scribd.com/document/1041906801/Dormers-That-Don-t-Trick-The-100-Year-Efficiency-of-Custom-made-Copper-by-Salvo-Metal-Works-150522

Mockups aren't simply rather previews; they verify fastening strategies, development joints, drain, and coating aging before major manufacturing commits budgets and time.