





CMI 8-in x 12-in Silver Galvanized Steel Step Flashing Sheet, 28-Gauge
8x12 Galvanized Steel Step Flashing
Durable 28-gauge galvanized steel step flashing designed to protect roof-to-wall intersections, chimneys, and skylights. The 8-in x 12-in sheet bends easily to form tight, weather-resistant overlaps and installs with standard roofing nails.
Key Features:
- Durable Galvanized Steel: Resists rust and weather for long-lasting roof protection
- Easy to Form: Bends to shape on-site for custom flashing applications
- Cuts Cleanly: Trim with tin snips for precise fitting around chimneys and roof features
- Versatile Protection: Ideal for chimneys, skylights, roof-to-wall intersections, and gutters
- Sold Individually: Buy exactly the quantity you need for the job
Specifications Table:
| Specification | Details |
|---|---|
| Type | Sheet flashing |
| Category | Step Flashing |
| Material | Galvanized steel |
| Color/Finish Family | Silver |
| Manufacturer Color/Finish | Silver |
| Package Quantity | 1 |
| Width (Inches) | 8 |
| Length (Inches) | 12 |
| Length Measurement | 1-ft |
| Gauge | 28 |
| Depth (Inches) | 0.0156 |
| For Use with Chimneys | Yes |
| For Use with Skylights | Yes |
| For Use with Roofs | Yes |
| For Use with Gutters | 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 Egress Windows | No |
| Warranty | None |
| CA Residents: Prop 65 Warning(s) | Yes |
| UNSPSC | 30151600 |
Frequently Asked Questions (FAQ):
Q: Can this flashing be used around chimneys?
A: Yes—it's designed for spot flashing around chimneys and other roof intersections.
Q: How is it installed?
A: Interleave each piece with shingle courses, maintaining a 2–3 inch overlap and secure with roofing nails; seal top edges with caulk or counter flashing.
Q: What tools are needed to cut and shape it?
A: Tin snips for cutting and a hand brake or pliers to bend; wear gloves due to sharp edges.
Q: Is the material corrosion-resistant?
A: Yes, it's galvanized steel which provides corrosion resistance for outdoor use.
Q: What are the sheet dimensions and gauge?
A: 8 inches wide by 12 inches long, 28-gauge thickness (approx. 0.0156 inches).
Crisp, Architectural Detailing for a Polished Roofline
This sleek galvanized sheet brings order and refinement to roof intersections, framing chimneys with clean, tailored lines. The silver finish adds a subtle industrial note that complements contemporary and traditional shingles alike. Layer pieces in a rhythmic overlap to create a precise, graphic edge. Essential for a watertight, luxurious exterior that feels impeccably finished.
Protect your roof with clean, durable detailing—add this 8x12 galvanized step flashing to your project today.
Original: $1.66
-70%$1.66
$0.50Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
8x12 Galvanized Steel Step Flashing
Durable 28-gauge galvanized steel step flashing designed to protect roof-to-wall intersections, chimneys, and skylights. The 8-in x 12-in sheet bends easily to form tight, weather-resistant overlaps and installs with standard roofing nails.
Key Features:
- Durable Galvanized Steel: Resists rust and weather for long-lasting roof protection
- Easy to Form: Bends to shape on-site for custom flashing applications
- Cuts Cleanly: Trim with tin snips for precise fitting around chimneys and roof features
- Versatile Protection: Ideal for chimneys, skylights, roof-to-wall intersections, and gutters
- Sold Individually: Buy exactly the quantity you need for the job
Specifications Table:
| Specification | Details |
|---|---|
| Type | Sheet flashing |
| Category | Step Flashing |
| Material | Galvanized steel |
| Color/Finish Family | Silver |
| Manufacturer Color/Finish | Silver |
| Package Quantity | 1 |
| Width (Inches) | 8 |
| Length (Inches) | 12 |
| Length Measurement | 1-ft |
| Gauge | 28 |
| Depth (Inches) | 0.0156 |
| For Use with Chimneys | Yes |
| For Use with Skylights | Yes |
| For Use with Roofs | Yes |
| For Use with Gutters | 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 Egress Windows | No |
| Warranty | None |
| CA Residents: Prop 65 Warning(s) | Yes |
| UNSPSC | 30151600 |
Frequently Asked Questions (FAQ):
Q: Can this flashing be used around chimneys?
A: Yes—it's designed for spot flashing around chimneys and other roof intersections.
Q: How is it installed?
A: Interleave each piece with shingle courses, maintaining a 2–3 inch overlap and secure with roofing nails; seal top edges with caulk or counter flashing.
Q: What tools are needed to cut and shape it?
A: Tin snips for cutting and a hand brake or pliers to bend; wear gloves due to sharp edges.
Q: Is the material corrosion-resistant?
A: Yes, it's galvanized steel which provides corrosion resistance for outdoor use.
Q: What are the sheet dimensions and gauge?
A: 8 inches wide by 12 inches long, 28-gauge thickness (approx. 0.0156 inches).
Crisp, Architectural Detailing for a Polished Roofline
This sleek galvanized sheet brings order and refinement to roof intersections, framing chimneys with clean, tailored lines. The silver finish adds a subtle industrial note that complements contemporary and traditional shingles alike. Layer pieces in a rhythmic overlap to create a precise, graphic edge. Essential for a watertight, luxurious exterior that feels impeccably finished.
Protect your roof with clean, durable detailing—add this 8x12 galvanized step flashing to your project today.



















