Allow the roof shingles to overhang on the roof for about 1 8 inches.
Roof layout for shingles.
Roof shingles are installed in such a fashion that each seam or joint is overlapped by a shingle further up the roof.
Using alternate patterns 1.
Understand the basic patterns.
Roof shingles consist of a series of individual overlapping components that when laid together in rows or courses starting at the bottom edge of a roof form a barrier designed to repel water snow and ice.
What you need nail gun measuring tape roofing hatchet framing square chalkline pry bar utility knife straightedge caulking gun tin snips.
Starting at the bottom of the roof map out a guideline with chalk.
You ll get the most life out of your shingles and your roof by laying them in a smart.
All the other patterns work in essentially the same way offsetting.
Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps.
Many pros shingle in a vertical line up the roof because it s much faster.
The chalk line is your guide to where you will position the shingles on your roof.
Stagger each course to achieve the half pattern.
After that correctly positionthe first shingle and properly snap a line of chalk across the roof to mark the top layer of the shingles.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.