How to install a Flat Roof over a carport, shed, porch, or garage. This is very easy, and 1 person can do it. It costs approximately $2.50 per sq ft. The material can be bought at Home Depot or any roofing supply place, such as ABC Supplies or Beacon Roofing Supplies.
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Watch this video On how to Repair leaks on an EPDM Rubber Roof -    • Why EPDM Rubber Roofs Leak and How to...  
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Steps on how to install Peel and Stick Rubber membrane on a flat roof:
1. Install a self-adhering base sheet
2. Install drip edge
3. Install a self-adhering cap sheet
4. Install liquid flashing - Turbo Poly Seal
5. Clean up

Chapters:
0:00 Installing Flat Roof over a shed, carport
0:45 At Home Depot get material
03:04 Installing the self-adhering base
06:29 Install self-adhering cap sheet
08:19 Liquid Flashing Turbo Poly Seal