What Is a Threshold for an Exterior Door?


Quick Answer

The threshold for an exterior door is a piece of wood or stone placed beneath the door that must be crossed in order to enter the building. The threshold is also called the doorsill.

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Full Answer

For the most decorative door thresholds, many people choose to install high quality wood that has been decoratively carved. Stone thresholds made from concrete are easy to make, affordable and simple to decorate with acid washes and dying. Most people choose to install aluminum thresholds in their buildings because of their affordability, low maintenance levels and ability to withstand extreme weather conditions throughout the entire year.

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