As a rule of thumb you will first need to build the walls and floor before you can start to.
How to start a pitched roof.
First snap a line for the top of the starter course whose bottom will be flush with the waterproof shingle underlayment wsu or felt underlayment which overhangs the drip edge by 1 2 inch.
Place the second row of.
This is part two of the porch build where i am doing the roof.
One thing you have to be careful is to install one row at a time so that it can be done in appropriate manner.
Completing all the rows till top of room will complete your pitched room.
Determine your desired roof pitch.
That is to say the roof pitch expressed as a ratio tells you how many inches the roof rises for every 12 inches of depth.
Add the roof sheeting.
Start by measuring up the eave the length of a starter shingle and place multiple marks on the roof.
Nail it every couple of feet.
Then snap lines for every course or every other course.
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Beyond that you re free to choose whatever slope best fits your plans for your shed.
Cut the second piece of roll roofing the length of the roof.
Start at the bottom side of the gable and overlap the sections of drip edge a few inches as you work your way up the roof see figure a.
In this part of the plan it is important that all wall panels have been.
So let s say a roof rises 6 inches for every 12 inches in depth towards the peak.
Take your chalk line from one end to the other and snap a line.
Install the drip edge on the gable ends of the roof after you finish installing your underlayment.
Snap horizontal chalklines to help you keep the courses straight.
This line is where you will set the top side of the starter row.
Snap a chalk line.
Apply a 2 inch wide layer of roofing cement across the top of the first row of roofing.
I show how i construct it showning in detail how to do the lead flashing.
Erect and secure the roof trusses.
In order to adhere to standardized building codes and ensure adequate runoff your shed s roof must have a pitch of at least 3 12 read as three in twelve.
The roof pitch would be described as a 6 12 pitch.