This MD Building Products 3 ft. x 4-9/16 in. x 1-3/8 in. Satin Nickel Aluminum Adjustable Thermal Break Threshold helps seal gaps under your door between 1-3/8 in. - 1-5/8 in. to help make your home more energy efficient for your convenience.
- Premium adjustable threshold with satin nickel finish
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- No rot no warp composite design; easy to install and adjust
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- Seals gaps from 1-3/8 inches to 1-5/8 inches high
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