PPG's TOP GUN 400 Elastomeric Acrylic Urethane Caulking Sealant features an internally plasticized formulation that helps to reduce dirt pickup and prevents yellowing and shiners. This results in a cleaner, more aesthetically pleasing finish over time. The caulking creates a flexible, airtight, and water-resistant barrier, offering outstanding protection against the elements. Ideal for both professional contractors and DIY enthusiasts, this sealant delivers the performance and longevity required for demanding sealing projects.