While old thresholds were made of wood or other material natural, now thresholds day to often include aluminum or gatehouse vinyl fence as part of its composition. These bands not only keep the air currents, inclement weather, dust and insects at bay, but also protect the frame under the door.
Although a wide variety of thresholds are available, these can be divided into four main categories: seat, panic, interconnected and gatehouse vinyl fence top. Within these categories there are numerous variations to suit almost any style of door, location and use. By far the most common type of threshold used today, the seat threshold type is a high piece of wood or other material placed between the bottom of the door and the floor… Many of the thresholds of this type have a metal band walking her top for added protection. Thresholds kind specially designed chair can prevent fires from spreading.
12 Photos Gallery of: Types of Gatehouse Vinyl Fence
The threshold with vinyl top layer is very similar in style and design style seat threshold. This type of threshold has a gatehouse vinyl fence strip on top to provide a tight seal against weather and air currents. Although it provides increased protection, rarely it found in public buildings, as it tends to wear faster in high traffic areas.