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Alsco Steel W-Valley 18 in. x 10 ft. Valley Flashing
Regular price $2,875.00Orders start at $399 — combine any items to reach the minimum. Learn more
Alsco Steel W-Valley 18 in. x 10 ft. Valley Flashing
The Alsco Steel W-Valley is an 18 in. wide, 10 ft. long W-shaped valley flashing that channels water off the roof and down into the gutters where two roof lines meet. It installs under shingles along the valley for an added layer of leak protection. Available in Black, Royal Brown, and Terratone finishes.
Key Features:
- Channels valley water: The W profile moves water away from roof shingles and down into the gutters where two sloping roof lines meet.
- Added protection: Provides an added layer of protection in the roof valley, one of the most water-exposed areas of a roof.
- Recycled aluminum content: Alsco products are made from recycled aluminum and can be recycled again and again, forever.
- 10 ft. lengths: Comes in 10 ft. lengths to cover valley runs with fewer laps.
- Three finishes: Offered in 200 Black, 202 Royal Brown, and 253 Terratone to coordinate with common roofing colors.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Alsco |
| Sell unit | 1 piece (or carton for Black) per color |
| Product line | Alsco Steel W-Valley |
| Available colors | 200 Black, 202 Royal Brown, 253 Terratone |
| Available sizes | 18 in. width, 10 ft. length |
| Material | Recycled aluminum (brand material statement) |
| Nominal size | 18 in. x 10 ft. |
| Dimensions | 18 in. wide x 10 ft. long |
| Intended use | Valley flashing under shingles where two roof lines slope and meet |
Coverage & How Much You Need:
Each 10 ft. piece covers 10 linear feet of valley. Plan one 10 ft. length per 10 ft. of valley run and lap pieces adequately along the flow of water.
Fit and Compatibility:
Designed for use with asphalt shingle roofing where two roof slopes form a valley, directing runoff into standard gutters. Sold in individual pieces or cartons depending on the color ordered.
Frequently Asked Questions (FAQ):
Q: What does one order include?
A: One W-valley flashing piece, 18 in. wide by 10 ft. long, in the selected color; some colors are sold per piece and others per carton.
Q: What is it for?
A: It lines the roof valley where two slopes meet, giving shingles an added layer of protection and channeling water into the gutters.
Q: What material is it made of?
A: It is made from recycled aluminum, which the manufacturer notes can be recycled again and again.
Q: How long is each piece?
A: Each piece is 10 ft. long, so count your valley's linear footage to determine how many lengths you need.
Q: What colors are available?
A: Three colors: 200 Black, 202 Royal Brown, and 253 Terratone.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Install the W-valley over underlayment before shingling, working from the eave upward and lapping each piece over the one below so water stays on top of the metal. The W center rib prevents water from washing across the valley from one slope to the other. Match the finish to your shingle or trim color; Black, Royal Brown, and Terratone cover the most common roof palettes.
Work safely on sloped roof surfaces and follow local building codes and manufacturer instructions when installing valley flashing.
Order the Alsco Steel W-Valley in your color match for dependable valley protection.
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