How To Shingle Roof Top

Consider four and five.

How to shingle roof top.

Starting at the bottom of the roof map out a guideline with chalk. You ll get the most life out of your shingles and your roof by laying them in a smart. Most asphalt shingles are 3 feet 91 4 centimeters in length. Stagger each course to achieve the half pattern.

Using alternate patterns 1. Apply a shingle then a piece of flashing then a shingle and so on so that each piece of flashing rests on top of the lower course and is covered by the upper course. Use a roofing nail 1 to tack the drip edge down one every 10 when placing two pieces of drip edge together overlap one end over the other by 1 and secure using two roofing nails one in the back and one in the front. Understand the basic patterns.

Now nail your first course of shingles with the lower edges following the line but tacked along the top only. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. Measure the length of a shingle as it lies across the roof. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.

You ll need to pry the siding outward to slip in the flashing. All the other patterns work in essentially the same way offsetting. A couple of weeks ago we published a two part series showing how a local roofing contractor shingled a roof with architectural shingles. Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps.

In some cases you ll have to remove the siding. If your eave is one straight length then pick an end and work to the other. This project guide is a combination of those two articles and it covers replacing the existing roof decking installing underlayment and ice dam protection laying the first row laying shingles in the field flashing ridge shingles and vents and more. Many pros shingle in a vertical line up the roof because it s much faster.

It s critical to flash around plumbing stacks and attic vents because they are the most common roof penetrations. Shingle upward from this course to the ridge in normal fashion. Cut a 50 mm 2 triangle off the top corner to direct water into the valley and embed the valley end of each shingle into a 75 mm 3 band of asphalt plastic cement.