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.
How you install roof shingles.
Many pros shingle in a vertical line up the roof because it s much faster.
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.
Once you ve done that cut your shingles to size if they re not already.
Using the chalk line snap a line between the two marks to get a straight edge.
Repeat this on both sides of the roof.
Every 5 inches make a new mark until you get to the rop of the roof.
To install asphalt shingles start by installing underlayment and new flashing on the roof.
Pull the drip edge down about a half inch from that line to create a gap between the drip edge and the fascia board.
Install the shingles so that each one is overlapping the shingle directly below it which will conceal the nails.