Repeat this on both sides of the roof.
How to put shingles on a slanted roof.
Many pros shingle in a vertical line up the roof because it s much faster.
Secure the last ridge cap shingle with four nails at the corners of the shingle and cover the nail heads with roofing cement.
Every 5 inches make a new mark until you get to the rop of the roof.
When you find the center of the bottom edge of the shed roof you can place a shingle on each side of the central point.
Once you have done this align the bottom edge of each shingle with the bottom edge of the starter roll.
Use the chalk line to snap a straight line vertically every 6 inches.
Lay the last ridge cap shingle in the center of the shed roof on top of the exposed adhesive portions of the two center ridge cap shingles.
Nail the shingles in place.
Ideally the top edge of the last shingle row is flush with the top edge.
If the gap allows you to put another course of shingles then do it.
If there is only a little space left then you re fine and don t have to lay another row yet.
Since ice dams can be more severe on lower slopes the membrane should extend up to a minimum of 900 mm 36 beyond the interior face of the exterior wall.
Install your shingles to the top edge of your lean to roof.
Cover the entire low sloped roof area with an sbs membrane cemented at the vertical laps.