A groundcloth will do more to add years to your tent's life than just about any other piece of hardware.use silver 9X12 on one side, brown on another tarpaulin, which I lifted on WallyWorld for my land tarp under the tent. No need for a shower, the canvas handles any rain or wind just fine.My Kodiak https://bestoutdooritems.com/best-canvas-tents/ does not come with a downpour. Some use a tarp stretched over the tent to make it dry.