CBW Black anodized aluminum waterproof door threshold 4 inch Wide 1/2 inch Height - 48 inch Length

CBW Black anodized aluminum waterproof door threshold 4 inch Wide 1/2 inch Height - 48 inch Length. A black aluminum anodized threshold 4 inches wide strip of metal used to seal the bottom of a door. It is made of aluminum that has been anodized to create a protective oxide layer which helps to prevent the threshold from corroding or tarnishing over time. The black color of the threshold gives it a sleek modern appearance. This type of threshold comes in different length sizes to fit doors of various widths. The 4-inch width is suitable for use with standard-size doors and the threshold may be installed on the interior or exterior of the door. It helps to create a weathertight seal when the door is closed and it can also reduce drafts and noise. The threshold can be used to create a smooth transition between two different section surfaces.