When installing doors, the threshold — the horizontal strip at the bottom of the door that fills the gap between the door and the floor — is often overlooked but essential to the functionality and appearance of your home. Thresholds help protect against drafts, moisture and dirt, keeping your doors performing at their best. Various factors, such as the materials used and your location, affect the choice of a threshold. From durability to aesthetics, here’s everything you need to know to choose the perfect threshold that combines functionality with style.

Types of Door Thresholds

To choose the right type of door threshold, consider its purpose and the environment in which it will be installed. Different thresholds offer varying benefits depending on whether they’re used for interior or exterior doors, the materials involved and any additional features, such as seals.

Exterior Door Thresholds

Exterior door thresholds are designed to withstand the elements while providing a tight seal to prevent drafts, water and dirt from entering your home. They are built for durability and weather resistance and are typically made from wood, aluminum, steel or composite materials. Exterior thresholds improve energy efficiency by offering better insulation and contributing to the overall weatherproofing of your home’s entry points. When choosing an exterior threshold, look for one with a strong sealant or weatherstrip to ensure a tight fit and protection from the outside elements.

Interior Door Thresholds

Interior door thresholds are generally more about aesthetics and maintaining a smooth transition between rooms or spaces. They can be made from various materials — such as wood, metal or vinyl — and serve to cover the gap between two rooms or levels. While they don’t face the same harsh weather conditions as exterior thresholds, interior thresholds can still provide important benefits like soundproofing and protecting flooring from wear. These types are commonly used for rooms that transition between different floor heights, such as between a carpeted room and a hardwood or tile area.

Wood Thresholds

Wood thresholds are popular for homeowners seeking a classic, elegant look that complements their home’s interior décor. They can be used for interior and exterior applications and offer a natural appearance that can easily be stained or painted to match the surrounding trim or door frame. These thresholds provide a sturdy and reliable option for those looking for a traditional aesthetic. Wood is best used in areas where moisture isn’t a significant concern, as it can be more vulnerable to water damage than other materials.

Choosing the Right Door Threshold Type

The right threshold can improve energy efficiency, weatherproof your home and elevate the overall look of your doorways. Several factors should be considered when choosing a threshold, from the climate and materials involved.

Local Weather and Climate

Consider the weather conditions in your region when choosing exterior doors. Materials like aluminum, steel or composite are dependable choices for areas with extreme weather conditions, offering durability and resistance to rust or moisture damage. For areas with high humidity or temperature fluctuations, it’s also important to make sure the threshold has an effective seal to prevent drafts and moisture from seeping in. Interior thresholds generally don’t face the same harsh conditions but should still be chosen based on the interior climate and function of the space.

Door Materials and Floor Types

Consider how different thresholds will work with the materials of your door and the flooring type in the area. For example, wood thresholds pair well with wooden doors and can complement hardwood or laminate flooring. However, if you have a steel or fiberglass door, you might opt for a threshold made from metal or composite materials to ensure a secure fit. Additionally, the type of flooring in the room — whether it’s carpet, tile, hardwood or concrete — can affect the height and style of the threshold you choose. Ultimately, the threshold should create a smooth transition while maintaining an effective seal and aesthetic flow.

Installation and Maintenance Tips

Proper installation and regular maintenance are key once you’ve chosen the right threshold. To ensure your door thresholds remain in top condition, it is vital to:

• • Measure the frame: To ensure a proper fit, always measure the door frame and threshold area carefully before purchasing.

• • Use weatherstripping seals: For exterior thresholds, be sure to use high-quality weatherstripping and seals to prevent drafts and moisture.

• • Research your options: Opting for trusted brands can make a significant difference, as they often provide high-quality materials and comprehensive support for installation and upkeep.

• • Look for wear and damage: Regularly inspect the threshold for signs of wear, such as cracks, warping or water damage.

• • Fix any gaps: Always address gaps or misalignments promptly to maintain the threshold’s effectiveness in blocking drafts and moisture.

Get Expert Advice and Products for Your Threshold Needs

Whether you’re upgrading your exterior doors for better weatherproofing or choosing an elegant threshold for your interior, consider factors like door type, climate and compatibility with your flooring and materials. By choosing the right threshold, you can transform your home’s comfort, energy efficiency and overall appearance. At Koopman Lumber, we offer a wide range of doors to help you find the perfect threshold for your needs. Check out our products today and schedule a free consultation with our experts to choose the right products for your next project.