In this video, the GapCap team provides a clear, step-by-step explanation of how to install a deck corner post using GapCap. Luke walks through the process, starting with the installation of a full piece of GapCap, setting the post without any cuts or modifications, and using stainless steel washers for perfect alignment. He also covers finishing touches, including installing the bottom cap for a polished look. Whether you're a DIY enthusiast or a professional contractor, this guide will help you achieve a flawless corner post installation with GapCap.