ELI5: Explain Like I'm 5

Gypsum board

Gypsum board is a special type of board that is often used in homes and buildings to make walls and ceilings.

Imagine you are playing with some toy blocks, and you want to make a house. You can stack the blocks on top of each other and make the walls and floors of the house. But what if you want to make the walls smooth and flat, so you can paint them or hang things on them without any bumps or unevenness? That's where gypsum board comes in.

Gypsum board is like a big, flat block made out of a special material called gypsum. It's kind of like a really hard and strong version of chalk or plaster. But because it's flat and doesn't have any bumps or holes, you can attach it to the wooden or metal frame of a wall, and it will become a smooth and flat surface for you to decorate or use however you want.

Gypsum board is easy to work with because it's not too heavy, and it can be cut and shaped very easily with special tools. You can also add things like paint or wallpaper to it, and it will stick well and look great. Plus, it's fire-resistant, which means it won't catch on fire or spread flames from one room to another.

So, gypsum board is basically like a big flat block that you can attach to walls and ceilings to make them flat and smooth, so you can decorate them however you want.