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Owens Corning® Thermafiber® RainBarrier® Dark™ continuous insulation semi-rigid products are produced with a bonded black facing that is designed for exceptional performance in rainscreen and cavity wall construction applications. Thermafiber® RainBarrier® Dark™ is the same continuous insulation you have come to know and trust from Owens Corning® Thermafiber® but offers camouflaging behind open-joint facade systems and eliminates the material and installation costs associated with an additional masking layer. 

Thermafiber® RainBarrier® Dark™ insulation provides thermal control, fire-resistive characteristics, acoustical control, and the ability to drain water from a wall cavity. All Thermafiber® RainBarrier® products are non-combustible, vapor permeable, and are easy to fabricate and install.
Features
  • Black facing provides camouflaging behind open-joint façade systems 
  • Non-combustible, non-deteriorating, and inorganic 
  • Repels and drains water 
  • UV-resistant 
  • Helps conserve energy and reduce greenhouse gas emissions
  • Saves time and money by eliminating secondary veils and other camouflaging methods 
  • Fiberglass veil gives installers flexibility without rigidity 
  • Fire-resistant to temperatures above 2,000°F (1,093°C) 
  • Mineral wool board product contains a minimum of 70% recycled content1 
  • Contributes to credits in several green building programs, such as LEED® and Green Globes®

Specifications

Standard Code Compliances

  • ASTM C612, Mineral Fiber Block and Board Thermal Insulation
  • Types IA, IB, II, III, IVA, IVB

Thickness

  • 3” to 7”

Widths

  • 16”
  • 24”
  • 36”

Lengths

  • 48”
  • 60”

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