Although placing new roofing over old may be allowed by some codes roofovers tend to be inferior and won t last as long as a roof installed over stripped sheathing.
Putting new shingles on a roof.
To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the.
Starting at the bottom of the roof map out a guideline with chalk.
Using the chalk line snap a line between the two marks to get a straight edge.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Installing asphalt shingles over an existing shingle roof it s not ideal to install new shingles without removing the old ones but follow this pro advice if you do.
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What you need power nailer or roofing hatchet tape measure roofing shovel or flat pry bar hammer drill carpenter s square straight cut tin snips utility knife chalkline broom.
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Pull the drip edge down about a half inch from that line to.
Many pros shingle in a vertical line up the roof because it s much faster.