Install Subfloor Sheathing and Underlayment

this has to be the nicest piece of flooring in this entire house probably the only piece of flooring that doesn't squeeze that's super solid I was especially excited to find out that my uh 233 seconds uh OSB actually matches my 3/4 in planks here so that's a good day uh we got to throw some particle board as you can see I got a 3/8 quar particle board going around so we'll throw that here and then we'll figure out we're going to do that end cuz uh I got to make this thing somewhat square if we want this door to [Music] work so we have about a 3/4 in gap