
GAF Metalastic Aluminum Straight Metal Flange (SMF) Expansion Joint Cover, 4 in. x 50 ft Roll
Metalastic Aluminum SMF Expansion Joint Cover
Durable aluminum straight metal flange expansion joint cover designed for long, continuous runs to minimize leak-prone splices. Supplied in a 4 in. x 50 ft roll, it helps reduce installation time and costs for commercial roofing applications.
Key Features:
- Continuous Lengths: Supplied in long runs to eliminate up to 90% of field splices that can leak
- Leak-Resistant Design: Metalastic system helps prevent water intrusion and reduces call-backs
- Cost Efficient: Can reduce installed costs by up to 8% versus traditional splice-heavy methods
- Durable Construction: Aluminum straight metal flange built for commercial roofing environments
- Convenient Roll Size: 4 in. width x 50 ft length for straightforward handling and installation
Specifications Table:
| Specification | Details |
|---|---|
| Product Name | Metalastic Aluminum Straight Metal Flange (SMF) Expansion Joint Cover |
| Brand | GAF |
| SKU | 23418 |
| Manufacturer Number | EJSMF 4A 050 |
| Product Number | GAFSMF4A50 |
| Style | Commercial Flashings |
| Base Material | Aluminum |
| Unit of Measure | Roll (RL) |
| Dimensions | 4 in x 50 ft |
| Item Weight | 35 lb |
| Key Benefit | Continuous lengths reduce field splices by up to 90% and installed costs by up to 8% |
Frequently Asked Questions (FAQ):
Q: What are the dimensions of this roll?
A: This variant is 4 inches wide by 50 feet long.
Q: What material is the flange made from?
A: The straight metal flange is aluminum.
Q: How does this product help prevent leaks?
A: It is provided in continuous lengths, reducing the number of field splices—one of the most common leak points in expansion joint covers.
Q: Can it help reduce installation costs?
A: Yes, the Metalastic design can reduce installed costs by up to 8% compared to systems with numerous splices.
Q: Is there documentation available?
A: Yes—product brochures and SDS are available via the manufacturer resources linked in the web data.
Streamlined Protection With Architectural Poise
This expansion joint cover brings a clean, tailored silhouette to the roofline, marrying utility with refinement. I love the continuous-run concept—it feels seamless and intentional, reducing visual noise while elevating performance. Pair it with crisp metal edges and matte membranes to create a disciplined, modern profile. It’s a quiet luxury detail that safeguards your investment while keeping the aesthetic impeccably composed.
Choose Metalastic SMF to streamline installation, minimize leaks, and elevate your roof’s performance today.
Original: $433.13
-70%$433.13
$129.94Product Information
Product Information
Shipping & Returns
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Description
Metalastic Aluminum SMF Expansion Joint Cover
Durable aluminum straight metal flange expansion joint cover designed for long, continuous runs to minimize leak-prone splices. Supplied in a 4 in. x 50 ft roll, it helps reduce installation time and costs for commercial roofing applications.
Key Features:
- Continuous Lengths: Supplied in long runs to eliminate up to 90% of field splices that can leak
- Leak-Resistant Design: Metalastic system helps prevent water intrusion and reduces call-backs
- Cost Efficient: Can reduce installed costs by up to 8% versus traditional splice-heavy methods
- Durable Construction: Aluminum straight metal flange built for commercial roofing environments
- Convenient Roll Size: 4 in. width x 50 ft length for straightforward handling and installation
Specifications Table:
| Specification | Details |
|---|---|
| Product Name | Metalastic Aluminum Straight Metal Flange (SMF) Expansion Joint Cover |
| Brand | GAF |
| SKU | 23418 |
| Manufacturer Number | EJSMF 4A 050 |
| Product Number | GAFSMF4A50 |
| Style | Commercial Flashings |
| Base Material | Aluminum |
| Unit of Measure | Roll (RL) |
| Dimensions | 4 in x 50 ft |
| Item Weight | 35 lb |
| Key Benefit | Continuous lengths reduce field splices by up to 90% and installed costs by up to 8% |
Frequently Asked Questions (FAQ):
Q: What are the dimensions of this roll?
A: This variant is 4 inches wide by 50 feet long.
Q: What material is the flange made from?
A: The straight metal flange is aluminum.
Q: How does this product help prevent leaks?
A: It is provided in continuous lengths, reducing the number of field splices—one of the most common leak points in expansion joint covers.
Q: Can it help reduce installation costs?
A: Yes, the Metalastic design can reduce installed costs by up to 8% compared to systems with numerous splices.
Q: Is there documentation available?
A: Yes—product brochures and SDS are available via the manufacturer resources linked in the web data.
Streamlined Protection With Architectural Poise
This expansion joint cover brings a clean, tailored silhouette to the roofline, marrying utility with refinement. I love the continuous-run concept—it feels seamless and intentional, reducing visual noise while elevating performance. Pair it with crisp metal edges and matte membranes to create a disciplined, modern profile. It’s a quiet luxury detail that safeguards your investment while keeping the aesthetic impeccably composed.
Choose Metalastic SMF to streamline installation, minimize leaks, and elevate your roof’s performance today.






















