How To Mark Out Roof For 3 Tab Shingles

Shingle about 1 2 way up the slope then measure from the ridge down to the shingles.

How to mark out roof for 3 tab shingles.

Drive a nail at one end first then drive the others. Repeat this on the other rake edge. See figure 1 directions for applying malarkey 3 tab shingles. Most three tab asphalt shingles include 1 2 in.

Use the chalk line to snap a straight line vertically every 6 inches. However shingles are packaged in a way that they are light enough for the average person to carry around. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Use these to line up adjacent shingles and successive courses.

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. Also place a nail 2 inches from each end of the shingle in line with the other two. In all use four nails per 3 tab shingle. In addition shadow marks may run the length of each shingle near the top of the slots.

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 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. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. Every 5 inches make a new mark until you get to the rop of the roof.

If one side is lower then fudge each row a bit so they come out even when you get to the ridge. Alignment slits across the top edge and half slots along the edges. If you are using a power nailer drive nails by squeezing the trigger and bouncing the nailer s tip onto the shingle. Measure up the rake edge from the drip edge 12 inches less 3 4 and make a mark the 3 4 allows for the starter strip overhang the drip edge.

However make sure that you do not nail into the tar strip. Repeat this on both sides of the roof.