Is there any sort of rainfly in the option list?
Yes. Though not necessary for weather resistance, flies are used when special colours and/or camoflage are required. Flies also reduce the thermal signature of the shelter in military applications. Is it possible for me to roll things in and out of the shelter or will the door sill be damaged? The doorsill exists for the door to close against. It can be folded under the shelter floor if required. What happens to the floor of the shelter if it’s placed on someone’s lawn and they drive a car in? Nothing, the floor can handle a car on concrete, grass field or sand, any surface on which you can drive a car. I would draw the line at deep or rutted mud. Is the shelter waterproof? Waterproof seam areas? How does the shelter hold up in heavy rain? Yes. Shingled seams. Holds up very well to heavy rain. However, cannot be put in a puddle without water coming in floor vents. We recommend the ShelteX model for severe weather service because of the hermetically sealed seams. ( Severe weather is “dr