Doors and windows are the critical interface between indoor comfort and outdoor elements. Proper sealing is essential for energy efficiency, weather protection, and long-term performance. Baolong Adhesive offers high-performance silicone, polyurethane, and acrylic sealants specifically formulated for door and window installation, frame sealing, and glazing applications. Our products deliver exceptional adhesion to glass, aluminum, wood, and PVC, providing superior weather resistance, UV stability, and long-lasting elasticity that accommodates thermal expansion and contraction. With excellent waterproofing and airtightness, our sealants help reduce energy loss, prevent drafts and moisture intrusion, and ensure smooth operation over years of use. Trust Baolong to seal your doors and windows with precision and durability.