About the 138T / 238T Symmetrical Standing Seam
Key Features
- 3" tall symmetrical trapezoidal seam
- Field seamed with electric seamer
- Long-span structural — reduces purlin count
- 24 or 22 gauge Galvalume steel
- Kynar 500® finish palette
Available Colors
22 options138T / 238T Symmetrical Standing Seam: The ADC Roofing Deep Dive
Why 138T / 238T Symmetrical Standing Seam Fits DFW Roofs
How ADC Installs 138T / 238T Symmetrical Standing Seam
138T / 238T Symmetrical Standing Seam — Frequently Asked Questions
Q.What advantages do the 138T / 238T panels offer for large DFW commercial buildings?
Their 3-inch tall trapezoidal seam and structural design allow for longer spans, potentially reducing the required purlin count and overall frame costs, while providing superior wind and hail resistance critical for DFW structures.
Q.How does the Kynar 500 finish on these panels benefit properties in DFW's climate?
Kynar 500 is highly resistant to color fading, chalking, and UV degradation, ensuring the roof maintains its aesthetic appeal and protective qualities for decades despite DFW's intense summer sun and temperature fluctuations.
Q.Are these panels suitable for high-end residential or custom homes in DFW?
Yes, their clean lines, structural integrity, and durability make them an excellent choice for modern or architecturally significant residential properties requiring a high-performance, long-lasting metal roof.
Q.What is involved in the 'field seaming with an electric seamer' process?
This process involves using a specialized machine on-site to mechanically crimp the panel seams, creating an extremely strong, watertight, and continuous connection that enhances the roof's integrity and wind resistance.
Q.Will installing the 138T / 238T system help with attic ventilation for DFW heat control?
Metal roofing naturally reflects more solar radiation than asphalt. When combined with ADC's expert attic ventilation strategies, it significantly contributes to reducing attic heat gain and lowering cooling costs in DFW homes and commercial buildings.
About McElroy Metal
McElroy Metal is a leading manufacturer of standing seam metal panel roofing products. ADC Roofing is a certified McElroy Metal installer serving the entire Dallas–Fort Worth Metroplex, with in-house crews trained on McElroy Metal's installation specifications and warranty requirements.
We stock 138T / 238T Symmetrical Standing Seam samples in our Southlake showroom and can deliver full-size color chips to your home. Every McElroy Metal installation from ADC includes manufacturer-certified underlayment, ridge ventilation, and starter strip — a complete factory-spec system.