- First, it helps to defend your car from damage caused by high breezes or heavy snow fall. If your car is left unprotected in these conditions, there is a good chance that it could sustain serious damage. - Secondly, wind and snow-rated cellar provide much-needed shelter for your vehicle during extreme weather. A wintertime cellar can provide the perfect solution if your garage does not offer adequate protection from the elements.
However, some factors to remember while shopping for your new portable garage for snow load.