Fires are dangerous, because they can ruin almost everything in your house, which is why they are so dangerous. Burned or melted items should be tossed out after a fire in the house. After a fire, you should always get rid of the following things. Even a small fire can do a lot of damage to most plastic goods. Because of their structure, plastics will be drawn to smoke and soot. After a fire, you should always throw away plastic things.