How we keep your roof valleys watertight

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Roof valleys are one of the most common leak locations, so we take extra care to make sure they’re sealed tight.

A roof valley is where two planes of your roof intersect. Valleys see a larger amount of water and can wear out faster than other sections of your roof.

Above: This line running down the roof is the center of a valley.

Above: This line running down the roof is the center of a valley.

Above: Rolled metal runs down the valley underneath the ice and water shield. (Actual valley metal would run underneath the ice and water shield you see here!)

Above: Rolled metal runs down the valley underneath the ice and water shield. (Actual valley metal would run underneath the ice and water shield you see here!)

Underneath those shingles are plywood sheets that are cut at this intersection. That cut creates a gap in between each sheet.

Because it isn’t sealed at the seam, we do several things to protect it and seal it from leaks.

First, we cover each valley with rolled metal to keep each roof deck panel from moving when we step on the roof deck. If those panels move, they can tear through the layers on top of it.

Next, we cover them with ice and water shield for an extra layer of protection against leaks.

Finally, we cover these with 2 layers of shingles, cut the shingles to make a nice seam, and let the shingles seal down with the heat from the sun.

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You end up with a beautiful and watertight valley that looks great from the street.

Have you noticed any issues with your roof?

You can inspect your roof for common issues in less than 15 minutes. This guide will walk you through a self inspection of your roof.

If you would rather have a professional inspect your roof, you can schedule a free inspection in under 60 seconds through our site here.

Or, give us a call at (208) 301-6173 for a quick chat about your situation. We’re always happy to talk with homeowners in Moscow & Pullman!