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Metal Sales Aluminum Prebent Step Flashing, 2-1/2 in. to 5 in. Bends, Mill or Painted Finishes
Regular price $475.00Orders start at $399 — combine any items to reach the minimum. Learn more
Metal Sales Aluminum Prebent Step Flashing, 2-1/2 in. to 5 in. Bends, Mill or Painted Finishes
Metal Sales aluminum prebent step flashing adds a layer of weather protection where roofs meet walls, chimneys, skylights and dormers. Made of rust-resistant aluminum that is easy to bend, cut and shape, it comes in preformed bends from 2-1/2 in. x 2-1/2 in. x 7 in. up to 5 in. x 5 in. x 8 in. Nine color/size items are listed on this page in Mill, Brown, Black, Bronze and Terratone Bronze, sold per piece or by bundle.
Key Features:
- Rust-resistant aluminum: Made of rust-resistant aluminum that is easy to bend, cut and shape on site.
- Preformed bends: Preformed 90-degree bends speed installation at wall-to-roof intersections.
- Weather protection: Adds an extra layer of protection against adverse weather conditions.
- Versatile applications: Ideal for weatherproofing around chimneys, skylights, dormers and wall-to-roof applications.
- Multiple finishes: Available in Galvanized, Mill Finish or Painted, with single-side and both-sides painted options.
- Wide color choice: Painted colors include White, Brown, Black, Terratone Bronze, Clay, Almond and Gray in single or both-side finishes.
- Several bend sizes: Preformed bends include 2-1/2 in. x 2-1/2 in. x 7 in., 2 in. x 3 in., 3 in. x 3 in., 3 in. x 5 in. x 8 in. and 4 in. x 4 in. x 8 in.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Metal Sales |
| Sell unit | 1 piece, bundle or box depending on item |
| Product line | Metal Sales Aluminum Prebent Step Flashing |
| Material | Rust-resistant aluminum |
| Available colors | Galvanized, Mill, Brown, Black, Bronze, Terratone Bronze; painted single-side and both-sides options include White, Brown, Black, Terratone Bronze, Clay, Black/White, White/White, Brown/White, Terratone Bronze/White, Clay/White, Black/Brown, Gray/White and Almond/White |
| Available sizes | 2-1/2 in. x 2-1/2 in. x 7 in., 2 in. x 3 in., 3 in. x 3 in., 3 in. x 4 in. x 7 in., 3 in. x 5 in. x 8 in., 4 in. x 4 in. x 8 in., 5 in. x 5 in. x 8 in. |
| Dimensions | Preformed bends such as 3 in. x 4 in. x 7 in., 4 in. x 4 in. x 8 in. and 5 in. x 5 in. x 8 in. |
| Finish / texture | Galvanized, Mill Finish or Painted |
| Intended use | Weatherproofing around chimneys, skylights, dormers and wall-to-roof applications |
| Assembly | Preformed; can be further bent, cut and shaped on site |
Coverage & How Much You Need:
Each preformed piece flashes one shingle course at a wall or penetration, installed shingle-over with each successive course. Estimate one piece per shingle course along the intersection, typically 16 in. to 24 in. of wall per piece depending on shingle exposure.
Fit and Compatibility:
Use with asphalt shingle or metal roof systems where a roof plane meets a vertical wall, chimney, skylight or dormer. Works alongside Metal Sales apron, drip edge and other flashing profiles; counter-flashing and sealants are sold separately.
Frequently Asked Questions (FAQ):
Q: What sizes and colors can I choose from?
A: Nine items are listed, from 2-1/2 in. x 2-1/2 in. x 7 in. Mill up to 5 in. x 5 in. x 8 in. Terratone Bronze, plus 3 in. x 4 in. x 7 in. and 4 in. x 4 in. x 8 in. options in Black, Brown, Bronze and Terratone Bronze.
Q: What is the material?
A: Rust-resistant aluminum that is easy to bend, cut and shape.
Q: Where is step flashing used?
A: It protects the intersection where a roof meets a vertical surface such as a chimney, skylight, dormer or sidewall.
Q: How many pieces will I need?
A: Install one piece per shingle course along the intersection; divide the run length by your shingle exposure (typically 5 in. for asphalt shingles) to estimate the count.
Q: Is it sold individually or in bulk?
A: Sell units vary by item: some sell per piece, others per bundle or box.
Q: Can I adjust the bend on site?
A: Yes, the aluminum is easy to bend, cut and shape for custom transitions.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Prebent step flashing saves significant time versus field-bent flashing and keeps the bend angle consistent across a run. Match piece width to your shingle exposure so each piece is fully covered by the next course, and never fasten step flashing to the wall—let the siding or counter-flashing hold it. Choose the 5 in. x 5 in. size for steep slopes or wider laps, and pair with Metal Sales apron and drip edge flashing for a complete water-shedding package.
Aluminum flashing edges can be sharp; wear cut-resistant gloves when handling, cutting and shaping pieces, and use fall protection when working at roof-wall intersections.
Order Metal Sales aluminum prebent step flashing to weatherproof your roof-to-wall intersections faster.
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