The roof choice that shapes everything Before colours, cabinetry or even bed systems, your roof decision defines how your VW Transporter will live. It decides headroom, sleeping capacity, parking options under UK height barriers, wind profile on the A1/M6, and even resale appeal. Most buyers land on one of two routes: A pop-top (with optional bed board) that lifts for headroom and extra berths, then drops to a low, car-park-friendly silhouette. A high roof that delivers per