How To Install Roof Valley Boards

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.

How to install roof valley boards.

Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof. 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. Stick on the underlayment. Stop nailing 6 inches from the center.

Place the first screw. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. Soup to nuts riley shows the proper way of installing a valley on a roof. Soup to nuts riley shows the proper way of installing a valley on a roof.

Peel off the bottom backing. Additional eaves closure pieces and counter battens are not required and they create a close cut appearance. Then pull off the. 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. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic. 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. In this video i show you how i do the valleys on a shingle roof.

As you install roof shingles on the second roof plane you allow them to lap over the valley on top of the first shingles. Shingle the other side of the valley the same way. Install the roofing screws vertically along each rib in the panel. No one of this affirmat.

Many roofers cut the shingles across because they say it s safer. Project step by step 15 roll out the self stick underlayment. In summary during the installation of a closed cut valley you install the first roof plane s shingles into the valley. It is essential to only use whole not cut shingles during this step.

Protect the roof against ice dams and windblown rain with self stick ice and water. Roof one side of the valley running the shingles across it. Rip the tops of the fascia boards to match the slope of your roof. Make sure the underlayment lies smooth before you nail the top edge.