How To Mark Out Roof For 3 Tab Shingles

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.

How to mark out roof for 3 tab shingles.

If you are using a power nailer drive nails by squeezing the trigger and bouncing the nailer s tip onto the shingle. Repeat this on the other rake edge. However make sure that you do not nail into the tar strip. 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. Most three tab asphalt shingles include 1 2 in. These are meant as an aid to horizontal alignment.

Repeat this on both sides of the roof. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. See figure 1 directions for applying malarkey 3 tab shingles.

However shingles are packaged in a way that they are light enough for the average person to carry around. Drive a nail at one end first then drive the others. In all use four nails per 3 tab shingle. Measure up the rest of the rake edge to the peak and make a mark every 5 inches.

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. Alignment slits across the top edge and half slots along the edges. Use these to line up adjacent shingles and successive courses. Shingle about 1 2 way up the slope then measure from the ridge down to the shingles.

Use the chalk line to snap a straight line vertically every 6 inches. 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.