Flue spacers or pallet spacers are a vital part of your pallet racks. They work to help maintain proper flue space. An idea that your local government is very interested in you keeping. They help to prevent damage that could be caused by a fire. They force a fire to build vertically instead of horizontally. Your sprinklers do their job, at least the traditional versions of sprinklers, from above. Therefore, keeping things moving towards them is probably a good thing. They also help to keep your ...