I needed to add two supply runs to the basement Customer is finishing half of the basement. and needs ductwork done in the basement before drywall goes up. I Need 1 register cut into the bottom of the supply trunk line. 3/4” drywall here And the Other register will be on the other end of the basement approximately 20’ away from the trunk line, will need register boot, pipe, elbows and a collar. 1/2” drywall here.