When you first step into an empty van, itâs hard to imagine that this bare metal shell could one day be transformed into a cozy, functional camper. But like any great project, it all starts with a solid foundation. In the case of van life, that foundation is quite literally the floor. Building a campervan from the ground up requires attention to detail, starting with insulation, flooring materials, and a layout that maximizes both comfort and practicality. Letâs dive into preparing the floor. Everything from soundproofing and insulation to selecting the right flooring materials. Whether youâre a seasoned DIYer or a first-timer, this guide will help you get started on turning an empty van into an adventure wagon.