







Gibraltar Building Products SM-Rib 3.125-ft x 12-ft Ribbed Green Galvalume Steel Roof Panel, 29-Gauge, 36-in Coverage
SM-Rib 12-ft Green Galvalume Steel Roof Panel
Durable SM-Rib roof panel made from painted galvalume steel delivers long-lasting, low-maintenance protection for roofing or siding. The 12-ft panel provides 36-in coverage with 29-gauge strength, ideal for sheds, garages, and agricultural buildings. Non-combustible and impact-resistant, it stands up to harsh weather and is backed by a 40-year limited warranty.
Key Features:
- Durable Galvalume Construction: Painted top-side galvalume steel resists corrosion and harsh weather for long service life
- Low Maintenance & Pest Resistant: Will not rot, warp, or mildew; forms a pesticide-free barrier against termites
- Fire & Impact Resistance: Non-combustible with hail impact resistance for added security
- Wide 36-in Coverage: SM-Rib profile offers full 36-in coverage for roofing and siding projects
- Easy Handling & Installation: Lightweight panel cuts with shears; use gasketed, color-matched screws to prevent leaks
Specifications Table:
| Specification | Details |
|---|---|
| Color/Finish Family | Green |
| Manufacturer Color/Finish | Green |
| Material | Galvalume steel (painted top side) |
| Package Quantity | 1 |
| Profile | SM-Rib (Ribbed) |
| Length (Feet) | 12 |
| Panel Size (Sq. Feet) | 36 |
| Coverage Width | 36 in |
| Gauge | 29 |
| Weight (lbs.) | 26.76 |
| Impact Resistance | Yes |
| Fire Resistance | Non-combustible; UL Class A referenced |
| Recommended Roof Slope | 3/12 pitch or greater |
| Fastening | Exposed fastener; color-matched gasketed screws |
| Cutting Method | Shears/scissor cutting tools (do not use panel saw) |
| Recyclability | 100% recyclable after service life |
| Warranty | 40-year limited |
Frequently Asked Questions (FAQ):
Q: What is the panel’s coverage and length?
A: Each panel is 12 feet long and provides 36 inches of coverage when installed.
Q: What roof slope is recommended?
A: Suitable for roof slopes of 3/12 pitch or greater.
Q: How is the panel fastened?
A: SM-Rib is an exposed fastener system; install with color-matched gasketed screws and follow the fastening schedule.
Q: Is the panel fire resistant?
A: Yes, it is non-combustible and has UL Class A fire resistance testing noted by the manufacturer.
Q: Is it environmentally friendly?
A: Yes, after its long service life, the steel panel is 100% recyclable.
Crisp Ribbed Lines, Confident Shelter
The SM-Rib panel introduces tailored linear rhythm that sharpens rooflines and elevates utilitarian structures with a refined, modern edge. Its rich green finish anchors outdoor architecture, pairing beautifully with warm wood siding or sleek concrete. Use it to clad garages or garden sheds for a cohesive, graphic statement that feels both rugged and chic. A resilient essential, it marries lasting performance with a polished, luxurious look.
Upgrade your project with durable, fire-resistant SM-Rib panels—add to cart now for long-lasting, low-maintenance protection.
Original: $63.95
-70%$63.95
$19.18Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
SM-Rib 12-ft Green Galvalume Steel Roof Panel
Durable SM-Rib roof panel made from painted galvalume steel delivers long-lasting, low-maintenance protection for roofing or siding. The 12-ft panel provides 36-in coverage with 29-gauge strength, ideal for sheds, garages, and agricultural buildings. Non-combustible and impact-resistant, it stands up to harsh weather and is backed by a 40-year limited warranty.
Key Features:
- Durable Galvalume Construction: Painted top-side galvalume steel resists corrosion and harsh weather for long service life
- Low Maintenance & Pest Resistant: Will not rot, warp, or mildew; forms a pesticide-free barrier against termites
- Fire & Impact Resistance: Non-combustible with hail impact resistance for added security
- Wide 36-in Coverage: SM-Rib profile offers full 36-in coverage for roofing and siding projects
- Easy Handling & Installation: Lightweight panel cuts with shears; use gasketed, color-matched screws to prevent leaks
Specifications Table:
| Specification | Details |
|---|---|
| Color/Finish Family | Green |
| Manufacturer Color/Finish | Green |
| Material | Galvalume steel (painted top side) |
| Package Quantity | 1 |
| Profile | SM-Rib (Ribbed) |
| Length (Feet) | 12 |
| Panel Size (Sq. Feet) | 36 |
| Coverage Width | 36 in |
| Gauge | 29 |
| Weight (lbs.) | 26.76 |
| Impact Resistance | Yes |
| Fire Resistance | Non-combustible; UL Class A referenced |
| Recommended Roof Slope | 3/12 pitch or greater |
| Fastening | Exposed fastener; color-matched gasketed screws |
| Cutting Method | Shears/scissor cutting tools (do not use panel saw) |
| Recyclability | 100% recyclable after service life |
| Warranty | 40-year limited |
Frequently Asked Questions (FAQ):
Q: What is the panel’s coverage and length?
A: Each panel is 12 feet long and provides 36 inches of coverage when installed.
Q: What roof slope is recommended?
A: Suitable for roof slopes of 3/12 pitch or greater.
Q: How is the panel fastened?
A: SM-Rib is an exposed fastener system; install with color-matched gasketed screws and follow the fastening schedule.
Q: Is the panel fire resistant?
A: Yes, it is non-combustible and has UL Class A fire resistance testing noted by the manufacturer.
Q: Is it environmentally friendly?
A: Yes, after its long service life, the steel panel is 100% recyclable.
Crisp Ribbed Lines, Confident Shelter
The SM-Rib panel introduces tailored linear rhythm that sharpens rooflines and elevates utilitarian structures with a refined, modern edge. Its rich green finish anchors outdoor architecture, pairing beautifully with warm wood siding or sleek concrete. Use it to clad garages or garden sheds for a cohesive, graphic statement that feels both rugged and chic. A resilient essential, it marries lasting performance with a polished, luxurious look.
Upgrade your project with durable, fire-resistant SM-Rib panels—add to cart now for long-lasting, low-maintenance protection.
























