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R-Mer Lite® II

Lightweight insulated steel roof system ideal for pre-engineered metal building retrofits and new construction projects.

R-Mer Lite II lightweight insulated steel roof system is ideal for pre-engineered metal building retrofits and new construction. An aircraft-grade aluminum seam bar is used to provide an even distribution of compression along the seams, as well as allow for two layers of seam tape for extra waterproofing protection. The seam bar also covers and protects all exposed edges of cut metal. Its white reflective coating contributes toward satisfying credit under LEED®, and is ENERGY STAR® and Title 24 qualified.

Product Advantages

  • Mesas minimize the appearance of oil-canning
  • Aircraft grade aluminum seam bar used to provide even distribution of compression
  • Innovative seam design reduces system thermal bridging losses
  • Unlimited thermal movement
  • Lightweight

Technical Data

  R-Mer Lite II
Gauge(s) 30 gauge (.0157 Nom)
Width of Panel 4'-12'
Length of Panel 60'-100'
Seam Height Flat seam
Slope ½:12
Passes Test(s) ASTM A 792 /A 792M
ASTM E 108
ASTM E 2140
AC 166
FM 4470
UL 790

Product Protected by US Patents 7,963,081,  #8,127,512 and #8,171,689 and Canada Patent #2,504,398


4'-12' wide coils

Approvals that apply to this product

UL Classified logo


EnergyStar Logo
(White SMP)
Valid in U.S. only
Title 24 graphic
LEED graphic

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