Roof Qube Tents Roof Qube tents are designed to fit into rooms with low ceiling height or loft space. Every single detail of the Roof Qube tent has been designed to make the growing environment the perfect for your plants. As an example, the hanging rails and poles are remarkably strong, allowing heavy-duty fans and filters of up to 100Kg to be supported. The canvas, stitching and zips are also outstanding quality. Everything about the Roof Qube tents is designed to make your growing experience easier.