Roof Valley Replacement

Addressing the valley detail before work begins will allow you to consider the possibilities and ultimately get the appearance and functionality you want in your roof system.

Roof valley replacement.

Ideally nails should be placed at least six to ten inches away from roof valley seams as nails placed too close to roof valleys will draw moisture through the roofing material causing advanced aging. Often roofing nails are placed too close to roof valleys. If you have decided to have a professional roofing contractor complete your roof replacement be sure to discuss with them how they will address the valley detail. Begin by placing the replacement piece of flashing in the valley lining up the groove in the center with the middle of the valley.

This process will also make your roof susceptible to wind damage. And if they put a second layer of shingles on they brought it up the valley but they didn t replace the valley it s probably leaking and cracking and split. Install an underlayment centered in the roof valley. Despite their beauty there is a specific way to install them.

And you can tar it but it s a real stop gap band aid like measure. Roof valleys replaced roof valleys play a critical role in diverting water from your roof and into your gutter system and therefore are necessary in keeping water out of your home. Install replacement shingles at each side of the valley such as composition shingles or wood shingles that match the existing shingles. 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.

The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. Make sure the flashing s bottom edge is perfectly aligned with your roof s lower edge. One of the most appealing aspects to roof shingles running through the valley is that leaves don t get caught up in it. If the ice and water shield is missing then you will have to remove the shingles on both sides along the valley put ice and water shield in place and re shingle the roof.

Align the lower edge of each shingle with the lower edges. This video shows the traditional and best way to repair a lead valley on a roof. This method of lead valley repair is proven to not only be fast and safe wit.