Adjustable 4-9/16 in. x 28-1/2 in. Aluminum and Hardwood Sills-Inswing Threshold

Energy efficiency can be increased by sealing the bottom of your door with a threshold. These adjustable have the ability to raise or lower the vinyl seal as required sealing against the bottom of the door to provide a weathertigh seal. All season protection against drafts, moisture, dust and insects.