Metal Sales Valley Flashing, Brown W-Valley, 18 in. x 10 ft. Metal Roof Flashing - image 1

Metal Sales Valley Flashing, Brown W-Valley, 18 in. x 10 ft. Metal Roof Flashing

Regular price $80.50

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Metal Sales Valley Flashing, Brown W-Valley, 18 in. x 10 ft. Metal Roof Flashing


This Metal Sales W-valley flashing protects the point where two roof lines meet, channeling water down into the gutters. The 18 in. x 10 ft. brown panel installs under shingles for open or closed valleys and is sold as one piece. It shields vulnerable roof intersections from ice dams and standing water.


Key Features:

  • Sheds valley water: W-profile moves water from the intersection of two roof slopes safely down toward the gutters.
  • Ice dam defense: Protects the vulnerable valley areas of the roof where ice dams and water can penetrate.
  • Open or closed use: Installs under roofing materials and works in both open and closed valley designs.
  • Field workable: Easily cut and shaped in the field to fit the specific valley geometry.
  • Underlayment protection: Adds an extra layer of protection beneath the finished roofing at roof intersections.
  • 10 ft. length: Supplied in 10 ft. lengths to reduce joints along the valley run.

Specifications Table:

Specification Details
Brand Metal Sales
Sell unit 1 piece, 18 in. x 10 ft.
Product line Valley Flashing
Material Metal
Color / finish Brown
Dimensions 18 in. x 10 ft.
Available colors ['Brown']
Available sizes ['18" x 10\'']
Intended use Roof valley flashing under shingles for open or closed valleys

Coverage & How Much You Need:

One 10 ft. piece covers 10 linear feet of valley; overlap adjacent pieces and order enough pieces to run the full valley length.

Fit and Compatibility:

Designed for use under shingle roofing in open or closed valley applications; pair with Metal Sales drip edge and underlayment for a complete water-shedding system.


Frequently Asked Questions (FAQ):

Q: What is included with this item?
A: One 18 in. x 10 ft. brown W-valley flashing piece.


Q: Where does this flashing go?
A: It is installed under the roofing materials at the valley where two roof lines slope and meet, for either open or closed valleys.


Q: Can it be customized on site?
A: Yes, it can be easily cut and shaped in the field to match your roof.


Q: What does the W-shape do?
A: The W profile forms a center rib that separates converging water flows, directing them down into the gutters and helping prevent backed-up water at ice dams.


Q: How do I size the job?
A: Measure the valley length and order enough 10 ft. pieces with overlap to cover the full run.


Q: Does it resist rust?
A: It is supplied as a finished brown metal flashing intended for exterior roof use; check the coating spec for your climate.


Expert Verdict — Reviewed by the SuperArbor Pro Desk

Match the flashing color to your shingles; this brown option suits dark architectural shingle roofs. Install valley flashing directly over underlayment and beneath shingles, and lap pieces a minimum of several inches in the direction of water flow. For wide or high-volume valleys, verify the 18 in. width meets local code minimums for valley metal.

Cut metal edges are sharp; wear cut-resistant gloves and eye protection when cutting and shaping flashing in the field.


Order Metal Sales brown 18 in. x 10 ft. valley flashing to protect your roof valleys today.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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