Apply roofing cement and secure the second layer to the roof.
How to attach roof 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.
Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally.
Place these starter strips side by side on the tar with their edges.
Get your trowel and another scoop of cement and apply it on the roof below the second chalk line.
Once the cement is spread across the roof it s time to place the second layer down.
Trim the tabs off of enough of them to cover the length of the roof using a utility knife.
Cut six inches off the length of the first starter shingle nailed on then use the rest of them full size.
Snap a horizontal chalk line over the starting row to use as a guide.
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.
Watch and see how easy it is.
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.
Many pros shingle in a vertical line up the roof because it s much faster.
Shingling a shed and want some tips.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Open a pack of three tab shingles.
As mentioned above place the first 6 inches 15 cm of the second layer on top of the first layer.
Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.
Repeat this on both sides of the roof.
Butt a full shingle up against the cut shingle and nail into place.