A chalk line is a very handy piece of kit when marking out on flat surfaces you can pick up a chalk line for less than 5 from most tool shops etc.
How to use a chalk line for roofing.
Snap a vertical chalk line from the inside edge of the first shingle on the second row to the top of the roof and from the inside edge of the first shingle to the top of the roof.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Using or snapping off a chalk line is simple.
Marking straigh level lines with a spirit level can be a little tedious using a chalk line however can make things decidedly more simple.
How to use a chalk line.
You ll have a choice of red blue white or fluorescent chalk.
Fill the chalk box about half full with powdered chalk from a squeeze bottle.
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These chalk lines will serve as a guide for subsequent even numbered rows of shingles and odd numbered rows respectively.
Here is a quick guide on how to do it.
The best way to load chalk into a chalk line.
The end of the chalk.
Every 5 inches make a new mark until you get to the rop of the roof.
Mark the two end points of the line you are trying to draw.
Repeat this on both sides of the roof.
Use the chalk line to snap a straight line vertically every 6 inches.
Fill your chalk box with blue chalk for general use.