Installing roof shingles in 11 steps.
Putting new shingles on a roof.
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Using the chalk line snap a line between the two marks to get a straight edge.
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.
Pull the drip edge down about a half inch from that line to.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.
Many pros shingle in a vertical line up the roof because it s much faster.
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.
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.
Starting at the bottom of the roof map out a guideline with chalk.
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.