It is important in all fire-proofing of columns and girders, and in all floor construction, furring and partitions, that there shall be no continuous voids, either vertical or horizontal, which may possibly serve as flues for the spread of heat or flame in case of fire.
Other medical treatment is used to help reduce the furring up of your arteries.
Give me a hammer, and let me feel for the furring.
If your ceiling is a popcorn ceiling, cracked, or the paint is chipping, you'll need to use another process called furring strips.
You can learn more about furring strips and evaluate if you're up to the challenge here.