Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
How to attach a metal roof to a wall.
Install base flashing under shingles or over metal roofing material.
Metal roofing is also available in the form of shingles.
Remember sealant tape goes between all layers of metal.
Here is an attempt though maybe not a very good one to make the roof flashing serve also as a through the wall flashing with a tile roof.
Follow the photo for illustrated instructions.
If the roof runs flat up against the brick wall you must install the roof side of the flashing either under the last layer of shingles or over the roof material if it is metal.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
How to attach roof shingles to a tool shed how to build a tin roof cover tin roofs feature corrugated sheet metal installed with the grooves running downward to encourage water to drain off the roof.
Make sure the panel is square to the eave of the roof so that all of panels installed afterwards are straight.
Before you install metal roofing repair any damage to the wood under the shingles.
Installation using exposed fasteners.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high.