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.
Installed roofing shingles.
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.
Using the chalk line snap a line between the two marks to get a straight edge.
Pull the drip edge down about a half inch from that line to create a gap between the drip edge and the fascia board.
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.
You can install shingles by hand using a roofing hatchet but the work will go more slowly.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.
Every 5 inches make a new mark until you get to the rop of the roof.
With one or two helpers you ll be able to shingle a 1 500 square foot roof in about two days.