532 pages of velvety gooey gold home gym sauce in the thread below.
For my home space I have 2x2 foam tiles for most of the room (prior owners had finished it that way), with a 7x7 platform I made of layers of plywood topped with horse stall mats on the outside and hardwood in the middle.
https://startingstrength.com/resourc...-gyms-532.html