Yes, asphalt cracks should be filled. Filling gaps helps prevent further surface damage and deterioration, which can become costly in the long run. It also improves safety by reducing tripping hazards for pedestrians and vehicles. Additionally, filling cracks is a cost-effective way to maintain an aesthetically pleasing appearance for commercial buildings, as it enhances curb appeal. When done correctly with quality materials by experienced professionals, crack filling is an effective way to extend the life of your asphalt surfaces.