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Durable Aluminum Foil Rock Wool Board for Exterior Wall Insulation. High Thermal Efficiency: Low thermal conductivity of 0.036 W/M.K ensures excellent insulation. Moisture and Mold Resistant: Repels water, prevents mildew, and maintains dimensional stability. Durable Aluminum Foil Facing: Reinforced foil acts as an effective vapor barrier against condensation. Comprehensive Certifications: ISO9001, CE, SGS, FM, ISO14001, and ISO45001 certified for quality. Customization Available: Customized product and packaging designs are available upon request. Rapid Response Support: Inquiries replied within 0-1 hours with professional technical assistance. Fast Delivery Time: 1x40HQ container orders delivered within 2-10 days after prepayment.