There are several things to consider when you want to choose a curtain rod for your bathroom. You should measure the length and width of the spot that you want to be curtained. This is necessary because you the size of there are different size of curtain rod; there are ones that are 66” long and there are also ones that are more than 66” long. One of the most wanted shower curtain rod that is easy to be installed is L shaped shower curtain rod. This kind of curtain rod curves 90 degree and needs to be attached to the wall on both ends of the rod. This curtain rod is not only for shower only, but also for bathtub or bathtub and shower stall. Bathroom.