Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across the roof.
How to start shingling your roof.
Both step shingling and racking will yield a watertight roof.
Working at heights on a roof presents fall hazard risks and other safety concerns.
Weave and cut the valley on the highest side of the roof.
A continuous bead of asphalt could trap condensation or windblown water under the roofing at some point.
See below for a shopping list tools and steps subscr.
This saves a lot of time moving shingle bundles and a lot of back strain.
Next find the center of the roof at the top and the eave then snap a vertical chalk line.
Not only that the shingles can be piled just to the side of the column being laid.
Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.
Most pros use this line to begin shingling working left and right toward the rakes.
The next one goes on the low side.
Nail the shingles with no tabs such as precut pro start shingles and apply asphalt cement from a caulk gun in many dots along the drip edge under the edge then press the tab less shingles down onto the line of asphalt cement dots with adequate spaces between the dots.
Step one in any roofing project is always safety first.
Build your shingles up to the highest part of the valley at the ridge.
This will provide a cutting guide for the shingles you will place on the other side of the valley.
Move to the other section of the roof then start laying shingles just like you did on the other section of roof.
Starting at the bottom of the roof map out a guideline with chalk.
Then your first shingle goes on the side you are going to cut.
Here are the basic steps to shingle a roof.
Using your chalk line snap a line down the center of the valley.
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.
You want to lay the shingles from the bottom to the top of the valley.
The felt keeps the roof deck dry before shingles go on protects against wind driven rain as shingles fail and increases fire resistance.