In this video I go through a detailed overview of the roofing process for my studio shed. This is a barn style roof on a 10 x 16 shed. It's a more advanced roof than a typical garden shed. This is how you would install a roof on a tiny house, cabin, garage, or maybe even house. I'm using GAF roofing components - affiliate links below:
GAF Cobra Ridge Vent:
https://amzn.to/3Fso5d1
Nahua Flashing Tape:
https://amzn.to/490I8ga
*Disclaimer: I'm not a professional, just a seasoned DIYer. You should double check my measurements and advice and adhere to your local building codes.