VAE emulsion is a key component in high-performance sealants and caulks. Its flexibility allows sealants to expand and contract with building movements, preventing cracks in joints. VAE-based caulks exhibit excellent adhesion to concrete, masonry, and wood, with peel strength ≥5 N/mm. They resist water penetration, maintaining integrity in wet environments like bathrooms and balconies. The emulsion’s low VOC content (≤50 g/L) meets environmental standards for indoor use. In exterior sealants, VAE emulsions fortified with fungicides and UV stabilizers withstand harsh weather, remaining elastic after 500+ freeze-thaw cycles. For green buildings, VAE-based sealants contribute to LEED credits through low emissions and durability, while their easy application and quick curing (24-48 hours) enhance construction efficiency.