Proper Installation Of Asphalt Roof Shingles

If your roof s width is not an even multiple of the shingle s length you will have a partial piece on one end of each row.

Proper installation of asphalt roof shingles.

The felt is laid in horizontal courses overlapping the eave ice and water protector by 4 and the valley membrane flashing by 6. 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. 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. Before you reshingle a roof read our step by step guide for adding new shingles over old ones.

This will help determine how the shingles will lay on the roof width. Every 5 inches make a new mark until you get to the rop of the roof. Installation temperature requirements for asphalt shingle roofs ideally shingles should be installed at temperatures ranging from 40 f to 85 f. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

A furring edge is a strip of one by two wood you install on the vertical surface of the house just beneath the roof s edge. Many pros shingle in a vertical line up the roof because it s much faster. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. Repeat this on both sides of the roof.

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. If using a type c drip edge you can install a furring strip to increase its performance. Plus this step by step guide to drip edge installation will also explain how to cut drip edges for corners and peaks. Most asphalt shingles are 3 feet 91 4 centimeters in length.

Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across the roof. Above 85 f it is easy to tear the shingles or mar the granular coating. While the asphalt shingles will be the primary water shedding roof layer there are many benefits to installing a roof underlayment. The problem with applying new shingles in very hot weather is that your adhesive will dry out quickly.

Make sure to avoid direct sunlight. Below 40 f shingles are brittle and crack easily when hammered or bent. Roofing contractor jack viera demonstrates installing three tab asphalt roof shingles.