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Professional Foam for Air Sealing in Building Envelopes. One-Component Moisture Curing: Fast curing with moisture, expands to seal gaps effectively. Eco-Friendly Formula: No ozone-depleting propellants, free from hazardous substances. Versatile Application: Suitable for interior and exterior use on most building materials. High Performance Insulation: Excellent thermal and sound insulation with strong adhesion. Durable and Waterproof: Forms airtight, waterproof, and mold-resistant seals. OEM Customization Available: Customizable label, specification, color, and formula. Authoritative Certifications: CE, ISO series, and China Environmental Label certified. Free Samples Offered: 2-3 free samples available, buyer pays delivery fee.