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
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