Those big screwheads in the threshold of a newer entry door aren’t just decorative; they raise or lower a narrow strip set in ...

6. Cut the Hinge-Side Z-Bar to Length Measure from the bottom lip of the exterior door’s threshold to the top of the door casing. Compare the measurement to the underside of the Z-bar and mark ...

Exterior doors are made of materials that can withstand wind, rain, snow, sunlight, high humidity, and extreme temperatures. Typically, these doors have weather seals, thresholds, and locking features ...