Thermafiber® RainBarrier® mineral wool insulation is a semi-rigid insulation board designed to fit between cladding attachment elements such as masonry ties, girts, and clip & rail systems. This product forms around most attachment elements without cutting or notching. This semi-rigid mineral wool insulation supports continuous thermal performance by fitting around fasteners without added cuts or gaps.

Features 

• Durability - Mold-resistant, non-deteriorating, and inorganic, as tested to ASTM C1338.
• Moisture Management - Designed to repel and drain water in exterior wall systems.
• UV Resistance - Resists ultraviolet exposure during construction and in service.
• Energy Efficiency - Supports thermal performance and energy code compliance.
• Fire Resistance - Non-combustible mineral wool, tested to ASTM E136.
• Acoustic Support - Provides sound-dampening properties in exterior wall assemblies.
• Recycled Content – Contains a minimum of 70% recycled materials.
• Green Building Contribution – Supports LEED® and Green Globes® certifications.

32 sq ft/bag