There are a few different ways to waterproof your attic floor, but one of the simplest and most affordable is to paint it with a waterproofing paint. This can be done yourself or by a professional, and it is a great way to prevent moisture and water damage in your attic.
The first step is to clean the surface of the attic floor. This can be done with a broom or a vacuum cleaner. Once the surface is clean, you can start painting. Be sure to use a paintbrush or roller that is specifically designed for waterproofing, and be sure to follow the instructions on the paint can.

It is important to note that not all paints are created equal when it comes to waterproofing. Be sure to choose a paint that is designed for this specific purpose. Once the paint has dried, you should test it by pouring water on it. If the water beads up and does not soak in, then the paint is working properly.
If you are not comfortable painting the attic floor yourself, you can always hire a professional to do it for you. This is a great option if you want the job done right and want to be sure that it will last for many years.
Waterproofing your attic floor is a great way to protect your home from moisture and water damage. It is a simple process that can be done yourself or by a professional, and it is a great way to keep your attic dry and safe.