Medallion I and II

From the Total Cladding and Roofing Technical Library

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McElroy Metal Medallion I and II metal panel profile or installed application

Medallion I and II

Manufacturer
McElroy Metal
Product
Medallion I and II
Status
Current
Market
United States
Last verified
September 20, 2026

Overview

Medallion I and Medallion II are snap-together architectural standing seam panels from McElroy Metal. Both use concealed fasteners and hidden clips, and a separate batten cap is installed over adjoining panels to close each seam. McElroy lists them for commercial and residential projects over solid deck.

Four pan profiles are shown: flat pan, single pencil rib, double pencil ribs and striated. The seam is a snap lock with hidden clips, and the panels are listed for roofs over solid decking.

Differences between the two panels

  • Medallion I: 1-inch rib height, narrower batten cap, can be curved to a minimum radius of 30 inches.
  • Medallion II: 1 1/2-inch rib height, wider batten cap, not listed for curving.

Batten cap widths are not given as dimensions. The data sheet draws a separate clip and batten cap for each panel, and a separate zee closure for each.

Medallion I is the only one of the two in the McElroy curved standing seam list, alongside 138T and 238T and Maxima.

Data sheets and technical documents

Current product files and retained historical revisions.

Current

Current files

Archive

Archived files

No older reviewed revisions are archived for this product yet.

Profile and dimensions

  • Cover widths: 12, 16 or 18 inches
  • Major rib on center: 12, 16 or 18 inches
  • Minimum slope: 3:12
  • Factory panel length: up to 75 feet, depending on the manufacturing facility
  • Onsite forming: not offered
  • Substrate: solid deck

Pan configurations are flat pan (standard), ribbed (optional) and striated (optional). The sheet draws one flat pan, two ribbed and one striated profile.

Materials and components

The standard panel is 24-gauge Galvalume. Finishes are Kynar 500 PVDF and Galvalume Plus, an acrylic-coated finish. Component materials are:

  • Medallion I clip: 26 gauge, ASTM A792 (50 ksi)
  • Medallion I batten cap: 24 gauge, ASTM A792 (50 ksi)
  • Medallion II clip: 26 gauge, ASTM A792 (50 ksi)
  • Medallion II batten cap: 24 gauge, ASTM A792 (50 ksi)
  • Medallion I zee closure: 26 gauge, ASTM A792 (50 ksi)
  • Medallion II zee closure: 26 gauge, ASTM A792 (50 ksi)
  • Coatings: Kynar 500 PVDF and Galvalume Plus (acrylic-coated)
  • Substrate: 24 gauge Galvalume

Tests and approvals

Listed tests and approvals are UL 263 Class A, UL 580 Class 90, UL 2218 Class 4, ASTM E1592 and Florida Product Approval.

Medallion I and II are batten-seam panels, unlike snap-lock Medallion-Lok. They are listed in the McElroy range of architectural standing seam roof panels.