How To Mark Out Roof For 3 Tab Shingles

Alignment slits across the top edge and half slots along the edges.

How to mark out roof for 3 tab shingles.

However shingles are packaged in a way that they are light enough for the average person to carry around. Also place a nail 2 inches from each end of the shingle in line with the other two. Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle. See figure 1 directions for applying malarkey 3 tab shingles.

Repeat this on the other rake edge. Use the chalk line to snap a straight line vertically every 6 inches. Continue working up the roof subsequent courses overlap ping the preceding by 2 4 51 102 mm depending on the type of underlayment being applied. Most three tab asphalt shingles include 1 2 in.

Drive a nail at one end first then drive the others. Use these to line up adjacent shingles and successive courses. These are meant as an aid to horizontal alignment. If one side is lower then fudge each row a bit so they come out even when you get to the ridge.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. If you are using a power nailer drive nails by squeezing the trigger and bouncing the nailer s tip onto the shingle. To attach a 3 tab shingle align it with the layout line and drive nails 1 2 inch above the cutout slots including the half slots at each side.

In addition shadow marks may run the length of each shingle near the top of the slots. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. In all use four nails per 3 tab shingle. However make sure that you do not nail into the tar strip.

Every 5 inches make a new mark until you get to the rop of the roof. Measure up the rest of the rake edge to the peak and make a mark every 5 inches.