Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
New gingles on roof.
Leave the old valley flashing in place and install new over it.
Installing new roof shingles over old effectively doubles the weight of the roofing so you have to make sure your roof structure can handle the extra load.
Meanwhile the most popular roofing material asphalt shingles may cost 4 000 to 6 200 for a full installation.
On average a new roof can range anywhere from 6 000 to 17 000.
Every 5 inches make a new mark until you get to the rop of the roof.
Repeat this on both sides of the roof.
The shingles should jut out from 1 4 to 3 8 inch 7 to 1 cm over the drip edge.
To level out an existing asphalt shingle roof rip down reduce the height of two courses of shingles as shown in the drawing below.
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A metal roof may cost between 5 000 to 27 000.
Try on a new roof shingle style boards build your roof 2020 shingle color of the year design inspire get started financing your roof find a contractor.
Nail a horizontal row of shingles over the drip edge.
Because asphalt shingles are routinely exposed 5 in rip down the first strip the starter course so that it is 5 in.
Use the chalk line to snap a straight line vertically every 6 inches.