Types of Exterior Door Thresholds
An exterior door threshold is an important component that provides a seal between the bottom of a door and the floor, ensuring energy efficiency, weather resistance, and security. There are different types of exterior door thresholds available, each designed to meet specific needs. Here are some common types:
1. Aluminum Threshold
Aluminum thresholds are a popular choice for exterior doors due to their durability, weather resistance, and affordability. They are lightweight, corrosion-resistant, and can withstand various weather conditions. Aluminum thresholds are available in different profiles and finishes to match the style of the door and the overall aesthetic of the entryway.
2. Wood Threshold
Wood thresholds offer a classic and natural look, making them a popular choice for traditional or rustic-style homes. They are typically made from solid wood and can be stained or painted to match the door or interior decor. Wood thresholds are relatively easy to install and can provide an elegant touch to the entrance.
3. Composite Threshold
Composite thresholds are made from a combination of materials, such as wood fibers and resins, to create a durable and low-maintenance option. They are resistant to moisture, warping, and rotting, making them suitable for exterior applications. Composite thresholds can be customized to mimic the appearance of wood or other materials.
4. PVC Threshold
PVC (polyvinyl chloride) thresholds are known for their durability, moisture resistance, and ease of maintenance. They are highly weather-resistant and can withstand extreme temperatures without warping or deteriorating. PVC thresholds are available in various colors and styles, making them versatile for different architectural designs.
5. Adjustable Threshold
Adjustable thresholds are designed to provide a tight seal between the door and the floor, regardless of variations in floor height or uneven surfaces. They feature an adjustable mechanism that allows the height of the threshold to be modified to achieve a proper fit. Adjustable thresholds are particularly useful for older homes or buildings with shifting foundations.
6. Sill Extension Threshold
Sill extension thresholds, also known as bumper thresholds, are typically used for sliding glass doors or wider openings. They extend beyond the width of the door to create a wider landing area and improve accessibility. Sill extension thresholds are often made from aluminum or PVC and can be paired with weatherstripping to enhance energy efficiency.
When selecting an exterior door threshold, consider factors such as the climate, door type, aesthetics, and functionality. It’s essential to ensure a proper fit and installation to maximize the benefits of the threshold, including energy efficiency and weather resistance. Consulting with professionals or door manufacturers can help you choose the most suitable threshold for your specific door and entrance.