How Much Do You Cut Off Roofing Shingles

Measure your roof so you can be sure you buy the right amount of shingles.

How much do you cut off roofing shingles.

Using a utility knife cut them off at the bottom of the adhesive strip. Roofing felt is sold by the roll. Snapping off shingle tabs. It generally takes three packs of shingles to cover 100 square feet 9 29 square meters.

If you hit a stack vent or chimney interlace the shingles with the flashing to allow water to run down the roof. Cut off 6 inches 15 2 centimeters more from the first shingle of the row than you cut off at the. The shingles will roll up like a ball in front of the fork. Architectural shingles are another option and are installed the same way as 3 tab shingles but give your roof more of a 3 d effect due to their varied shapes.

15 asphalt saturated felt underlayment over the roof s entire surface. Then lay down whole tiles to the end of the row trimming the last shingle so that it fits correctly. If you are shingling your own roof you will at some point encounter a need to trim or cut the shingles to a certain size or shape. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.

Hold the drip edge up to the ridge and make a mark along where the drip edge exceeds the roof. This may entail cutting across the shingle in a straight line to match the line of the roof or it may require more difficult precision cuts such as ones that allow fitting around pipes or vents. A typical bundle of shingles weighs about 75 pounds while some premium products can weigh over 100 pounds per bundle so consider delivery of materials. Remove shingles in a 2 to 3 ft wide section as you work down the roof.

Continue laying and nailing down shingles in this manner. When you reach the peak either bring the ridge edges together with a ridge capping layer or cut regular shingles into 3 tabbed equal pieces and bend them so they fit on the roof peak. How many rolls of felt will you need. When you reach the roof s ridge you need to make yet another cut in your drip edge.

How to cut shingles off the edge of a roof in a straight line. The rake edge is the extreme edge of the roof on either side. Push the shingles down to the roof jacks. To begin installing the first shingles on your roof cut off the three tabs on the shingle.

Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. The average roll of 15 pound roofing felt covers about 400 ft 2 or 4 squares while the average roll of 30 pound. Continue tearing off the shingles and underlayment until you reach the roof jacks then start over at the top of the roof. Mark the plumb line.

Make a straight cut through the bottom of the drip edge with your tin snips. After the drip edge is installed you should install a no.