This video explains in great detail, how to build and frame out a fireplace. It covers how to calculate the dimensions for your new fireplace and allows you to use it as a template to adapt it to your own space. This video will give you the ability to predict how much wood you will need for your project and also shows a three-dimensional model so you can visualize what you will be building.

Sketchup File: https://www.dropbox.com/scl/fi/2wvzf4...