This will provide a cutting guide for the shingles you will place on the other side of the valley.
How to start shingling your roof.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across the roof.
Working at heights on a roof presents fall hazard risks and other safety concerns.
Most pros use this line to begin shingling working left and right toward the rakes.
A continuous bead of asphalt could trap condensation or windblown water under the roofing at some point.
Next find the center of the roof at the top and the eave then snap a vertical chalk line.
Build your shingles up to the highest part of the valley at the ridge.
Here are the basic steps to shingle a roof.
Move to the other section of the roof then start laying shingles just like you did on the other section of roof.
Both step shingling and racking will yield a watertight roof.
Then your first shingle goes on the side you are going to cut.
The next one goes on the low side.
Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.
The felt keeps the roof deck dry before shingles go on protects against wind driven rain as shingles fail and increases fire resistance.
Using your chalk line snap a line down the center of the valley.
Not only that the shingles can be piled just to the side of the column being laid.
You want to lay the shingles from the bottom to the top of the valley.
Step one in any roofing project is always safety first.
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.
This saves a lot of time moving shingle bundles and a lot of back strain.
Iko recommends that roofing work be done by qualified professionals who know the best way to shingle a roof and have been fully trained in all aspects of roof construction safety.
Weave and cut the valley on the highest side of the roof.
See below for a shopping list tools and steps subscr.
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.