Then starting at the base of the.
Roofing valley techniques.
To secure the roof valley flashing nail it down carefully.
Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.
How to seal metal roof valley.
Valleys are a prime leak area so it s important to be careful.
Only nail at the edges with only enough nails to.
When cutting your metal roofing to fit valleys it s important to use the proper tools.
Install an underlayment centered in the roof valley.
Apply an approximately 3 inch.
Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.
Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris.
The open woven and closed cut methods are demonstrated.
Shingling both a closed cut valley and a long island valley is the same for the first half of the process.
In the past i ve used several different methods to prepare a valley including lining the valley with aluminium coil flashing or roll roofing and even cementing together layers of 30 felt paper with asphalt roof cement a messy job.
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.
In this video i show you how i do the valleys on a shingle roof.
Ensure ice and water protector has been installed along the valley first.
No one of this affirmat.
Avoid using anything that will melt the galvalume coating such as a chop saw torch or abrasive blade.
Many roofers cut the shingles across because they say it s safer.