What's the difference between storefront and curtainwall?
Storefront systems are non-load-bearing aluminum frames typically used for ground-floor commercial entrances up to 10 feet tall. Curtainwall is engineered for multi-story buildings, carries its own dead load, and uses pressure-equalized rain screens. Specify storefront for retail, restaurants, and lobbies; specify curtainwall when you exceed two stories or need wind-rated facade performance.