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Roof Flashing

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Roll Valley 20 in. x 25 ft. Aluminum Metallic 30-Gauge

$54.98 - $54.98
$54.98
$54.98 - $54.98
$54.98
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About This Product Aluminum Roll Valley is a lightweight, rust-resistant flashing that can be bent, cut and shaped for many weatherproofing projec...

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Flashing Angle 2 in. x 6 in. x 10 ft. Roof-to-Wall Bonderized Steel Gray 28-Gauge

$22.84 - $22.84
$22.84
$22.84 - $22.84
$22.84
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About This Product The Gibraltar Roof-To-Wall Flashing is made from trusted 28-Gauge bonderized steel. It is designed to cover and protect roof-to...

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Drip Edge Flashing 2 in. x 4 in. x 10 ft. L-90 Roof Edge Galvanized Steel Charcoal 28-Gauge

$10.98 - $10.98
$10.98
$10.98 - $10.98
$10.98
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About This Product Roof Edge, also known as Drip Edge or Eave Edge, is used to provide a finished and weatherproof edge at the eaves and rakes of ...

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Drip Edge Flashing 2 in. x 3 in. x 10 ft. L-90 Galvanized Steel Brown 28-Gauge

$12.28 - $12.28
$12.28
$12.28 - $12.28
$12.28
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About This Product The Gibraltar Galvanized Drip Edge Flashing is made from reliable 28 gauge galvanized steel. This Drip Edge Flashing provides p...

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Flashing Angle 2 in. x 3 in. x 10 ft. Roof-to-Wall Galvanized Steel Metallic 28-Gauge

$10.44 - $10.44
$10.44
$10.44 - $10.44
$10.44
In stock

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About This Product The Gibraltar Roof-To-Wall Flashing is made from trusted 28-Gauge galvanized steel. It is designed to cover and protect roof-to...

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Drip Edge Flashing 2 in. x 3 in. x 10 ft. L-90 Galvanized Steel White 28-Gauge

$11.38 - $11.38
$11.38
$11.38 - $11.38
$11.38
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About This Product The Gibraltar Galvanized Drip Edge Flashing is made from reliable 28-Gauge galvanized steel. This Drip Edge Flashing provides p...

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Drip Edge Flashing 2 in. x 3 in. x 10 ft. L-90 Galvanized Steel Charcoal 28-Gauge

$14.74 - $14.74
$14.74
$14.74 - $14.74
$14.74
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About This Product The Gibraltar Galvanized Drip Edge Flashing is made from reliable 28-Gauge galvanized steel. This Drip Edge Flashing provides p...

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Drip Edge Flashing 2 in. x 3 in. x 10 ft. L-90 Bonderized Steel Gray 28-Gauge

$11.52 - $11.52
$11.52
$11.52 - $11.52
$11.52
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About This Product The Gibraltar Bonderized Drip Edge Flashing is galvanized steel that has been treated to promote better paint adhesion. This Dr...

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Flashing Angle 2 in. x 3 in. x 10 ft. Roof-to-Wall Galvanized Steel 26-Gauge

$11.98 - $11.98
$11.98
$11.98 - $11.98
$11.98
In stock

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About This Product The Gibraltar Roof-To-Wall Flashing is made from professional grade 26-Gauge galvanized steel. It is designed to cover and prot...

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Drip Edge Flashing 2 in. x 2 in. x 10 ft. L-90 Galvanized Steel Charcoal 28-Gauge

$7.98 - $7.98
$7.98
$7.98 - $7.98
$7.98
In stock

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About This Product Roof Edge, also known as Drip Edge or Eave Edge, is used to provide a finished and weatherproof edge at the eaves and rakes of ...

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Drip Edge Flashing 2 in. x 2 in. x 10 ft. L-90 Galvanized Steel Brown 28-Gauge

$8.98 - $8.98
$8.98
$8.98 - $8.98
$8.98
In stock

Delivery

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About This Product The Gibraltar Galvanized Drip Edge Flashing is made from reliable 28-Gauge galvanized steel. This Drip Edge Flashing provides p...

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Drip Edge Flashing 2 in. x 2 in. x 10 ft. L-90 Galvanized Steel White 28-Gauge

$8.98 - $8.98
$8.98
$8.98 - $8.98
$8.98
In stock

Delivery

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About This Product The Gibraltar Galvanized Drip Edge Flashing is made from reliable 28-Gauge galvanized steel. This Drip Edge Flashing provides p...

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Drip Edge Flashing 2 in. x 2 in. x 10 ft. L-90 Galvanized Steel Metallic 28-Gauge

$8.86 - $8.86
$8.86
$8.86 - $8.86
$8.86
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About This Product The Gibraltar Galvanized Drip Edge Flashing is made from reliable 28-Gauge galvanized steel. This Drip Edge Flashing provides p...

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Z Bar Flashing 2 in. x 1-1/2 in. x 1/2 in. x 10 ft. Water Table Galvanized Steel Metallic 28-Gauge

$8.98 - $8.98
$8.98
$8.98 - $8.98
$8.98
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About This Product Water Table Flashing, also known as Drip Cap, protects the top of exterior windows and doors from water infiltration. When prop...

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Z Bar Flashing 2 in. x 1-1/2 in. x 1/2 in. x 10 ft. Water Table Bonderized Steel Gray 28-Gauge

$10.65 - $10.65
$10.65
$10.65 - $10.65
$10.65
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About This Product Water Table Flashing, also known as Drip Cap, protects the top of exterior windows and doors from water infiltration. When prop...

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Vent Pipe Flashing 2 in. Galvanized Steel Metallic with FHA Base 26-Gauge

$15.46 - $15.46
$15.46
$15.46 - $15.46
$15.46
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About This Product This 1-piece galvanized steel roof jack meets or exceeds FHA specifications. This pipe flashing protects against leaks on kitche...

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Roll Valley 14 in. x 25 ft Aluminum Metallic 30-Gauge

$39.98 - $39.98
$39.98
$39.98 - $39.98
$39.98
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About This Product Aluminum Roll Valley is a lightweight, rust-resistant flashing that can be bent, cut and shaped for many weatherproofing projec...

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Roll Valley 12 in. x 25 ft. Galvanized Steel Metallic 28-Gauge

$56.92 - $56.92
$56.92
$56.92 - $56.92
$56.92
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About This Product Galvanized Steel Roll Valley is a versatile, rust-resistant flashing can be bent, cut and shaped for many weatherproofing proje...

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Roll Valley 10 in. x 10 ft. Aluminum Metallic 30-Gauge

$19.65 - $19.65
$19.65
$19.65 - $19.65
$19.65
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About This Product Aluminum Roll Valley is a lightweight, rust-resistant flashing that can be bent, cut and shaped for many weatherproofing projec...

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Drip Edge Flashing 1 in. x 2 in. x 10 ft. C3 Galvanized Steel Metallic 28-Gauge

$5.98 - $5.98
$5.98
$5.98 - $5.98
$5.98
In stock

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About This Product The Gibraltar Galvanized Drip Edge Flashing is made from reliable 28 gauge galvanized steel. This Drip Edge Flashing provides p...

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Z Bar Flashing 1 in. x 10 ft. Bonderized Steel Gray 28-Gauge

$13.98 - $13.98
$13.98
$13.98 - $13.98
$13.98
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About This Product Bonderized Steel Z-Flashing is made from 28-Gauge galvanized steel that has been treated to promote better paint adhesion. It i...

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Rain Diverter 1/4 in. x 5-3/4 in. Aluminum Metallic Vent with Black Collar

$29.98 - $29.98
$29.98
$29.98 - $29.98
$29.98
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About This Product Gibraltar's adjustable rubber pipe flashing for metal roofing accommodates roof penetrations from 1/4 in. up to 5-3/4 in. Dia. T...

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Z Bar Flashing 1/2 in. x 10 ft. Galvanized Steel Metallic 28-Gauge

$7.74 - $7.74
$7.74
$7.74 - $7.74
$7.74
In stock

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About This Product Galvanized Steel Z-Flashing is made from 28-Gauge galvanized steel. It is used to protect the horizontal joints between sheets ...

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Rain Diverter 1-1/4 in. x 4 in. Roof Collar Plastic Black

$7.98 - $7.98
$7.98
$7.98 - $7.98
$7.98
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About This Product The Gibraltar Building Accessories pipe flashing repair collar is your instant solution to a leaky vented pipe flashing. Simply...

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Roof Flashing: What You Need to Know

Roof Flashing: What You Need to Know

Roof flashing, also known as weatherproofing metal trim or protective edge flashing, is an essential component in roofing systems designed to prevent water infiltration and direct moisture away from critical areas. Used in conjunction with shingles, tiles, or metal roofing, flashing ensures long-lasting protection against leaks, structural damage, and weather-related wear. Available in various colors, gauges, and styles, roof flashing is a crucial addition to residential and commercial roofing projects.

Types and Uses:

  • Drip Edge Flashing: Installed along roof edges to guide water away from the fascia and prevent damage to underlying structures. Ideal for extending roof life and enhancing drainage efficiency.
  • Roll Flashing: A flexible, continuous metal sheet that provides seamless protection along valleys, ridges, and transitions. It is widely used for custom installations and long-span coverage.
  • Step Flashing: Designed for use along chimneys, walls, and dormers, step flashing consists of small, overlapping metal sections that integrate with shingles to create a watertight barrier.
  • Transition Flashing: A specialized flashing used where roofing materials meet at different slopes or surfaces, ensuring proper water diversion in complex roofing designs.
  • Vent Pipe Flashing: Engineered to seal around roof penetrations such as plumbing vents, exhaust pipes, and HVAC ducting, preventing leaks at critical entry points.

Gauge Options:

  • 23-Gauge: A lightweight yet durable option, best suited for small residential applications and non-structural waterproofing.
  • 24-Gauge: Slightly thicker for improved strength, commonly used for standard roof flashing installations requiring added rigidity.
  • 26-Gauge: A popular balance between flexibility and durability, ideal for general-purpose flashing, step flashing, and drip edges.
  • 28-Gauge: A versatile and widely used thickness, providing cost-effective protection while maintaining ease of installation.
  • 30-Gauge: A heavier-duty option that offers enhanced strength and longevity for demanding roofing applications.
  • 32-Gauge: The thickest and most robust gauge, designed for commercial and industrial roofing where maximum durability is required.

Why Choose Supply Ontime?

At Supply Ontime, we offer reliable materials designed to meet your project’s needs. With same-day delivery across the Greater Los Angeles area, we make it easy to keep your projects on schedule. Order Roof Flashing now and get it delivered today!