Things You'll Need:
- Asphalt rolled roofing
- Asphalt plastic cement
- Brush
- Roofing nails
- Hammer or nail gun
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Step 1
Sweep and clean the roof of all sharp objects. Pound down nails or any other sharp objects that could puncture or tear the rolled roofing material.
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Step 2
Install any needed metal flashing.
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Step 3
Start at the lower edge (eave) of the roof. Snap a chalk line 34 inches from the edge of the roof. Roll roofing material out lengthwise along the edge of the roof with 2 inches of material overhanging the edge. The upper edge of the roofing material should line up perfectly with your chalk line.
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Step 4
Drive a roofing nail 2 inches from the top edge of the roll, spaced every 6 to 8 inches.
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Step 5
Lift the lower edge of roofing material and apply asphalt plastic cement with a brush all along the edge of the roof to hold down the lower edge of the roll of asphalt.
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Step 6
Snap a chalk line 4 inches down from the top edge of the asphalt you have just nailed down. Roll out a second layer of asphalt and line up its lower edge with your chalk line. This creates a 4-inch overlap of the two rolls of asphalt.
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Step 7
Nail the top edge of this second roll 2 inches from its top edge and then apply asphalt plastic cement along the lower edge, gluing the overlap down.
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Step 8
Continue up the slope of the roof until you reach the peak. Run a roll of asphalt along the peak of the roof with one half on one side of the peak and the other half on the other side. Use asphalt plastic cement to glue this cap-piece in place.
