May 20, 2020 · Project step-by-step (19) Figure A: Measure Your Old Door. In most cases, simply order a new door the same size as the old one. If you alter the... Remove Your Old Door. Tap the hinge pins loose with a hammer and nail set. Then swing the

Check the fit before installing a new door, and enlarge the opening as necessary. Once you are satisfied with the fit of the door, remove it and apply several thick beads of silicone caulk to the bottom... Caulk underneath the spots where the bottom of t