As mentioned above place the first 6 inches 15 cm of the second layer on top of the first layer.
How to attach roof shingles.
Shingling a shed and want some tips.
Cut six inches off the length of the first starter shingle nailed on then use the rest of them full size.
Many pros shingle in a vertical line up the roof because it s much faster.
Open a pack of three tab 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.
Once the cement is spread across the roof it s time to place the second layer down.
Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally.
Handy home shows you universal shingling techniques that can be applied to any shed.
Apply roofing cement and secure the second layer to the roof.
Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing.
Lay the first row of shingles directly covering the narrow starter row.
Use the chalk line to snap a straight line vertically every 6 inches.
Place these starter strips side by side on the tar with their edges.
Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.
Trim the tabs off of enough of them to cover the length of the roof using a utility knife.
Watch and see how easy it is.
Snap a horizontal chalk line over the starting row to use as a guide.
Repeat this on both sides of the roof.
Get your trowel and another scoop of cement and apply it on the roof below the second chalk line.
Every 5 inches make a new mark until you get to the rop of the roof.