2025-08-22 00:00:00 The Tietz Baustoffe app is your mobile building materials shop – for business and private customers. Order building materials online, receive volume discounts, plan projects digitally, and have them conveniently delivered to Berlin and Brandenburg – or pick up your order yourself. Use practical features like wish lists, the patio planner, or share your shopping cart with us to receive customized offers that you can purchase directly in the app. Whether you're a professional construction company or a private DIY enthusiast: Tietz Baustoffe is your reliable partner for all your construction projects!