Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Roof layout for shingles.
After that correctly positionthe first shingle and properly snap a line of chalk across the roof to mark the top layer of the shingles.
Using alternate patterns 1.
Understand the basic patterns.
What you need nail gun measuring tape roofing hatchet framing square chalkline pry bar utility knife straightedge caulking gun tin snips.
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.
Stagger each course to achieve the half pattern.
Allow the roof shingles to overhang on the roof for about 1 8 inches.
All the other patterns work in essentially the same way offsetting.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.
Many pros shingle in a vertical line up the roof because it s much faster.
Mark a chalk on subsequent roof layers upward.
Starting at the bottom of the roof map out a guideline with chalk.
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.
Consider four and five.