I have two large side-by-side dormer windows in my bedroom that fit exactly to size, leaving me absolutely no room to install a curtain rod! Every tension rod I purchased was not strong enough to hang my medium-weight curtains. This tension rod so far has done the trick! I've owned it for a few months now, and have recently noticed a slight bend in the middle of the rod. I'm hoping this bend doesn't increase over time. I wouldn't recommend it for heavy weight curtains, just based on the minor bend that I've seen with my medium-weight ones.