The goal is to provide a reasonably flat surface for the new shingles to lie over with no gaps greater than 1 2 inch.
Roofing shingles how to do.
You ll get the most life out of your shingles and your roof by laying them in a smart.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Many pros shingle in a vertical line up the roof because it s much faster.
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.
If the broken piece is lost cut a new piece to fit the existing shingle.
Get the right number of shingles for the job.
All the other patterns work in essentially the same way offsetting.
Remove old shingles and.
It generally takes three bundles of shingles to cover 100 square feet.
If a shingle is torn or cracked glue the broken piece back in place using roofing cement.
Consider four and five.
Complete the application of underlayment and valley flashing before the roofing shingles are applied.
Center a 914 mm 36 width strip of an ice and water protector membrane in the valley.
The recommended flashing material is a 28 gauge galvanized metal or an equivalent corrosion resistant non staining material check with local codes.
Starting at the bottom of the roof map out a guideline with chalk.
Using alternate patterns 1.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.
Measure the length of a shingle as it lies across the roof.
Understand the basic patterns.