You would assume that all gazebos are waterproof and weather proof, but this is not the case. They may be advertised as waterproof but you will find after time this is not the case. Water will start seeping through, your best bet is to have them away during the wet weather. With gazebos you ideally want them to be waterproof. If you are wanting a waterproof gazebo you will need to look for one which is lined polyester. This will be the best material for keeping it waterproof. Having a gazebo which also has a waterproof coating will also help as well. The best way to have a waterproof gazebo is to avoid the cheap brands. Buying a more expensive gazebo will last you much longer and will be true to what it states. It is best to spend more money on the first purchase than more overall. You will find more expensive gazebos are much better quality too.