Door sweeps on the bottom of exterior doors can help to reduce uncontrolled air infiltratrion, moisture, dust and insects. This heavy-duty door sweep is appropriate for use on a door that crosses a smooth floor, such as hardwood or tile. Macklanburg-Duncan door sweeps are high quality sweeps that will last for years. The door sweep has an aluminum carrier with a double flange vinyl weatherstrip, suitable for sealing gaps up to 3/4 inches between the threshold and door bottom. The carrier of this door sweep is unfinished aluminum, but may be painted. It is available in either a 36 inch or a 48 inch length, and includes screws for installation on either a wood or steel door.
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