Then pull off the.
How to install roof valley boards.
In summary during the installation of a closed cut valley you install the first roof plane s shingles into the valley.
Shingle the other side of the valley the same way.
Making the tops of your fascia boards the same angle as the roof allows you to easily place roofing material over them without creating bumps or ridges.
Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.
Install the roofing screws vertically along each rib in the panel.
Place the first screw.
Many roofers cut the shingles across because they say it s safer.
Dry fix valley troughs are mortar free providing hidden water gulleys at the roof valleys.
Install an underlayment centered in the roof valley.
Set the angle of the circular saw blade to match the slope of your roof and run the saw along the top edge of each fascia board.
Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.
Stop nailing 6 inches from the center.
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
In this video i show you how i do the valleys on a shingle roof.
Rip the tops of the fascia boards to match the slope of your roof.
Roof one side of the valley running the shingles across it.
Additional eaves closure pieces and counter battens are not required and they create a close cut appearance.
No one of this affirmat.
Soup to nuts riley shows the proper way of installing a valley on a roof.
Project step by step 15 roll out the self stick underlayment.
Stick on the underlayment.
Open valley troughs have been designed as an alternative to traditional lead troughs a safe and efficient way to collect rainwater run off.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Make sure the underlayment lies smooth before you nail the top edge.
Protect the roof against ice dams and windblown rain with self stick ice and water.
Then install a non corrosive metal valley flashing of 24 minimum width lap successive sheets of metal flashing a minimum of 12 inches and seal laps.
Peel off the bottom backing.
It is essential to only use whole not cut shingles during this step.
