Union Corrugating 4-in x 8-in Black Aluminum Step Flashing, Pre-Bent 90°

Regular price $0.78

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Black Aluminum Step Flashing, 4 in x 8 in

Durable aluminum step flashing designed for weatherproofing roof-to-wall intersections, chimneys, and skylights. Pre-bent at 90 degrees for quick installation and long-lasting, rust-resistant performance.


Key Features:

  • Weatherproof Protection: Shields vulnerable roof transitions like chimneys, skylights, and roof-to-wall joints
  • Pre-Bent 90° Design: Speeds installation and ensures a consistent fit under shingles
  • Corrosion-Resistant Aluminum: Resists rust for long-term durability in harsh weather
  • Sized for Shingle Roofs: 4-in x 8-in panels fit common residential applications
  • Versatile Use: Suitable for residential or light commercial projects

Specifications Table:

Specification Details
Type Step flashing
Material Aluminum
Color/Finish Family Black
Manufacturer Color/Finish Black
Package Quantity 1
Depth (Inches) 4
Width (Inches) 4
Length (Inches) 8
Length Measurement 8-in
Gauge 1
For Use with Chimneys Yes
For Use with Skylights Yes
For Use with Roofs Yes
For Use with Doors No
For Use with Decks No
For Use with Windows No
For Use with Vents No
For Use with Pipes No
For Use with Gutters No
For Use with Egress Windows No
Warranty None
CA Residents: Prop 65 Warning(s) No
UNSPSC 30151600
Pre-bent Angle 90°

Frequently Asked Questions (FAQ):

Q: Can this flashing be used around chimneys and skylights?
A: Yes—it's intended for chimneys, skylights, and roof-to-wall applications.


Q: Is it already bent for installation?
A: Yes, it comes pre-bent at a 90° angle to slide under shingles easily.


Q: What material is it made from?
A: Aluminum, which is rust and corrosion resistant.


Q: What are the dimensions?
A: Each piece measures 4 inches x 8 inches with a 4-inch leg height.


Q: Is this sold individually or in packs?
A: Sold individually (package quantity 1).


Sleek, Architectural Protection for Clean Roof Lines

This streamlined black flashing tucks neatly beneath shingles, creating crisp, uninterrupted roof lines while quietly managing the elements. The satin black finish lends a tailored edge that complements modern exteriors. Layer pieces in a meticulous rhythm along roof-to-wall joints for a refined, intentional look. It’s a small detail that delivers big on polish and performance—essential for elevated curb appeal.


Protect critical roof transitions with this pre-bent, corrosion-resistant step flashing—add it to your project list today.

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