Install Water-Resistant Drywall

to get nice clean fast cut most importantly on drywall take a drywall square take your razor blade and create a nice clean scorch using the square as a guide bring it this way cut the back holding paper and there you have it clean perfect cut oh wow okay so this has been some of the most frustrating part of this build here these walls it's a finished basement and so these walls work perfectly straight but now after hours of work i finally got everything nice and square some places had to be shimmed some place had to have a double piece of drywall to bring it out