When installing shingles start by laying a narrow row of shingles at the bottom of the roof along the edge.
How to lay shingles on a roof.
Use the chalk line to snap a straight line vertically every 6 inches.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Every 5 inches make a new mark until you get to the rop of the roof.
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.
Do this on both sides of the roof.
Mark 12 inches up on the roof for the first course of shingles then mark every 5 inches all the way up the roof to set your reveal.
To install asphalt shingles start by installing underlayment and new flashing on the roof.
Then begin nailing the shingles to the roof working in rows and starting at the edge of the roof.
Many pros shingle in a vertical line up the roof because it s much faster.
Continue laying your shingles horizontally up the roof.
Repeat this on both sides of the roof.