Laying Roof Shingles

Do this on both sides of the roof.

Laying roof shingles.

How to do it prep work space. After completing a column the roofer can go back down to the eave edge of the roof and start laying the next column of shingles. Preparing the roof 1. Install a starter strip.

Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt. Using alternate patterns 1. Mark 12 inches up on the roof for the first course of shingles then mark every 5 inches all the way up the roof to set your reveal. Start at the bottom of the roof and work across and up.

Pattern curling and shadowing color blending. Understand the basic patterns. In the dictionary to shingle is defined as to lay out or arrange so as to overlap. Measure the length of a shingle as it lies across the roof.

If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water. To lay out the design for the shingles begin at the bottom of the roof and place a tape measure inch from the edge of the roof to ensure the shingles overhang the drip edge. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. You won t void your warranty by going with the racking method but with some manufacturers you d have trouble collecting a settlement on two specific problems.

This will help determine how the shingles will lay on the. It generally takes three bundles of shingles to cover 100 square feet. Apply the shingles over the prepared roof deck. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.

This will blend shingles from one bundle into the next and minimize any normal shade variation. Stagger each course to achieve the half pattern. Starting at the bottom of the roof map out a guideline with chalk. Both step shingling and racking will yield a watertight roof.

Refer to the course application suggestions in the manufacturer s instructions for further details on spacing and offsetting shingles. Snap horizontal chalklines to help you keep the courses straight. First snap a line for the top of the. Get the right number of shingles for the job.

Remove old shingles and. Consider four and five.