How Much Do You Cut Off Roofing Shingles

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.

How much do you cut off roofing shingles.

If you hit a stack vent or chimney interlace the shingles with the flashing to allow water to run down the roof. Continue tearing off the shingles and underlayment until you reach the roof jacks then start over at the top of the roof. Then lay down whole tiles to the end of the row trimming the last shingle so that it fits correctly. Remove shingles in a 2 to 3 ft wide section as you work down the roof.

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. Continue laying and nailing down shingles in this manner. The shingles will roll up like a ball in front of the fork. Snapping off shingle tabs.

Cut off 6 inches 15 2 centimeters more from the first shingle of the row than you cut off at the. Fold the drip edge to fit over the ridge. 15 asphalt saturated felt underlayment over the roof s entire surface. How to cut shingles off the edge of a roof in a straight line.

Roofing felt is sold by the roll. 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. Cut 12 inches 30 4 centimeters off the length of the first shingle that you lay. How many rolls of felt will you need.

To begin installing the first shingles on your roof cut off the three tabs on the shingle. 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. Mark the plumb line. When you reach the roof s ridge you need to make yet another cut in your drip edge.

The edge of a roof in professional vernacular is called the rake edge. 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. The rake edge is the extreme edge of the roof on either side. Using a utility knife cut them off at the bottom of the adhesive strip.

Hold the drip edge up to the ridge and make a mark along where the drip edge exceeds the roof. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. Measure your roof so you can be sure you buy the right amount of shingles. It generally takes three packs of shingles to cover 100 square feet 9 29 square meters.

The average roll of 15 pound roofing felt covers about 400 ft 2 or 4 squares while the average roll of 30 pound. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones.