Using the chalk line snap a line between the two marks to get a straight edge.
Installed roofing shingles.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Use the chalk line to snap a straight line vertically every 6 inches.
Every 5 inches make a new mark until you get to the rop of the roof.
Before you begin make sure you re comfortable measuring laying out a job driving nails and cutting with a knife.
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.
Center a minimum 610 mm 24 wide minimum 28 gauge pre finished galvanized metal valley liner in the valley and fasten with only enough nails to hold it in place nailing at the edges only.
With one or two helpers you ll be able to shingle a 1 500 square foot roof in about two days.
To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the top on each end of the house.
Many pros shingle in a vertical line up the roof because it s much faster.
Repeat this on both sides of the roof.