All canopy style shelters are considered temporary structures not designed to withstand severe heavy wind or extreme snow without being anchored down in some manner. Anchoring of a Mootsy is required by the car resting on all 4 tire plates. Heavy wind on a Mootsy without a car anchoring it can be dangerous. Failure to anchor the Mootsy in any unpredictable weather can be unsafe and lead to property damage or worse. In very extreme weather conditions the roof tarp should be removed for safety. Also, the structure itself should be inspected regularly and all fitting I-bolts hand tightened monthly.
Mootsy Registered Trademark on the 10 mil, waterproof, heavy duty silver poly tarp with poly roped hem edges and reinforced corners. All weather protection because Mootsy fiber reinforced polyethylene tarps are 4 times thicker than cheap blue poly tarps, UV protected and have metal grommets every 18 inches.