See my blog on copper fire pit
In fact you will find that the most common fire pit cover that you can buy is the screen type is used as a guard for sparks. If you are looking to protect your fire pit from the elements you can use a cloth cover or one that is made from canvas type material. The only part of the fire pit that is not protected with this type of fire pit cover is the bottom. You can find a cloth fire pit cover that is made specifically for your brand of fire pit. Generic covers made from cloth are shaped like a large cloth bags that you simply put over the top of fire pit.