Add this optional vestibule to your Big House 4 convert it from a simple structure to a cavernous escape from the sun or an unexpected change in weather. This extra-large, pole-supported vestibule is convenient for those trips when you need more space for camp chairs, bikes, dogs and all the extras - grab it when you need the room, and leave it at home when you don't.

Extra large pole supported front vestibule provides extra space and a covered entrance

Dual sliders and storm flaps on door zippers allow for ventilation while keeping inclement weather out

Awning-style doors can be rolled up and secured for easy access, or extended using extra guylines or accessory poles (sold separately)

Multiple buckles make integrating vestibule simple and secure

Compatible with Big House 4 - 2025 (TBH425) and 2023 (TBH423) models