1-1/2″ X 4-9/16″ X 36″ Aluminum Adjustable Break Threshold

MD Products has an aluminum adjustable thermal break threshold providing years of protection from the elements. Installing a threshold will help to seal out drafts from the bottom of your door. A door sweep is recommended to be used with this threshold to create a weather tight seal. Thermal break design prevents frost build up. Adjust to seal various gaps.