A block frame window is a type of window installation where the window frame is inserted directly into the rough opening of a wall, often made of masonry or concrete. Here are some key features and characteristics of HiHaus block frame windows: Installation: HiHaus Block frame windows are typically installed during the construction phase of a building. The window frame is placed directly into the opening in the wall, between the blocks or concrete, and secured in place. Frame Design: HiHaus Block frame windows have a specific frame design to accommodate the installation method. The frame may feature a flange or a brickmold, which helps secure the window into the rough opening and provides a finished appearance. Structural Support: HiHaus Block frame windows are designed to provide structural support to the surrounding masonry or concrete wall. They help distribute the weight and loads of the window across the wall, ensuring stability and long-term durability. Weatherproofing: Proper weatherproofing is essential for block frame window installations. The frame is typically sealed with caulk or flashing to prevent water infiltration and to maintain a tight seal between the window and the wall. Aesthetics and Design: HiHaus Block frame windows can vary in design, style, and materials, allowing for customization to match the building's architectural style and design preferences. They can be made of aluminum window , and can feature different window types, such as single-hung, double-hung, or casement windows. It's worth noting that block frame windows are different from retrofit or replacement windows, which are installed within an existing window frame. Block frame windows are typically installed during the construction or renovation phase of a building and require proper coordination with the builder or contractor to ensure a seamless and accurate fit within the wall's rough opening.