Frost King TS36A Aluminum and Vinyl Threshold

The 5-5/8 in. X 3 ft. Sill threshold can be used with pre-hung doors to replace old thresholds. The threshold is made from heavy-gauge aluminum for strength and durability. It features a low rug design for use with heights up to 3/4 in. And adds a handsome silver appearance to your entry door. The threshold can help prevent the cold from entering your home with its thermo-barrier.