Make sure that the tab of the shingle in the second course will cover it completely.
How to shingle a barrel roof.
The first row of shingles should overlap the edge of the roof by around 1 8 inch but they should sit flush side by side rather than not overlapping.
Secure the horizontal flange to the roof.
A couple of weeks ago we published a two part series showing how a local roofing contractor shingled a roof with architectural shingles.
Your last shingle is an exposed shingle.
Place the second step flashing piece over the end shingle in the first course by positioning it 143 mm 5 5 8 above the bottom edge of the exposed asphalt shingle.
When they get to the dormer roofers will install the shingle above that first piece of step flashing.
It may be beneficial to measure and make chalk lines to keep this first row even.
Place the first shingle end flush to the edge of the roof.
Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.
Now your roofing team will shingle a row along your roof up to the dormer.
This shingle should extend beyond the step flashing by roughly a half inch though it may be more if they are installing shingles with a large exposure.
Your vegetables will be just fine.
While you may be worried about using rainwater from an asphalt shingle roof on a vegetable garden don t be.
Keep this up until you reach the other end of the peak.
Install the next shingle approximately 2 3 past the seal strip of the first shingle.
Nail each side of the shingle to each side of the ridge just below the shingles self sealing strip.
See below for a shopping list tools and steps subscr.
This project guide is a combination of those two articles and it covers replacing the existing roof decking installing underlayment and ice dam protection laying the first row laying shingles in the field flashing ridge shingles and vents and more.