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R-Mer® Span

Structural standing seam roof system provides the highest performance in windstorm and water penetration in the industry.

R-Mer Span structural standing seam roof system provides the highest performance in windstorm and water penetration in the industry. This premium metal system can be used on slopes down to 1/4-inch per foot for both retrofit and new construction and may be curved or tapered to fit the most creative of building architecture.


Product Advantages

  • Unlimited thermal movement
  • Mesas minimize appearance of "oil canning"
  • Panel/cap configuration contains four layers of steel
  • Hot melt sealant (water barrier) is completely isolated from clip
  • 3/8-inch high clearance between panel and substrate helps ventilation
  • Ideal for retrofits over existing single-plies, BURs, modified bitumens or other metal roofs
  • Curving capability - Steel - 20 ft. radius; Aluminum - 10 ft. radius (tightest curving capability in the industry)
  • I-Span continuous clip provides optimized performance in the toughest negative wind uplift pressure environments
  • Garland's only standing seam panel offered in zinc

Technical Data

  R-Mer Span
Gauge(s) 20, 22 and 24 gauge; .032, .040, .050 aluminum, copper, stainless steel, and zinc
Width of Panel 12", 16" or 18"
Length of Panel Can be field rolled in continuous lengths over 100'
Seam Height 2 3/8"
Slope: Open Purlins Slopes down to 1/4:12
Passes Test(s) ASTM E 1592
ASTM E 283
ASTM E 1680
ASTM E 331
ASTM E 1646
UL 263
UL (Class A) 790
UL (Class 90) 580
FM 4471

The I-Span continuous clip used with R-Mer Span is protected by US Patent 6,354,045 and Canada 2,334,538

Packaging

In crated bundles or pallets


Approvals that apply to this product

FM Approved logo UL Classified logo


Certification/Validation

R-Mer-Span_UL-Logo
EnergyStar Logo
(color dependent)
Valid in U.S. only
CRRC RATED Logo
(0700-0010 – Regal White)
Title 24 graphic
(color dependent)
LEED graphic
(color dependent)

Metal_Color-Wheel thumbnail button

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