Best Exterior Thresholds of 2026
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Exterior thresholds are an essential component of any home or building as they provide a smooth transition between the interior and exterior spaces. They are typically made of durable materials such as aluminum, wood or vinyl to withstand harsh weather conditions and heavy foot traffic. Exterior thresholds come in a variety of styles and sizes to accommodate different door widths and designs. They also feature weatherstripping to prevent air and water infiltration, which helps to reduce energy costs and protect the interior of the building. Overall, exterior thresholds are a functional and stylish addition to any building's entryway.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 10 Exterior Thresholds
M-D Building Products 78634 Adjustable Aluminum and Hardwood Sill Inswing
The M-D Building Products 78634 is an adjustable aluminum and hardwood sill inswing that fits doors up to 36 inches wide. It seals gaps from 1-1/8 inches to 1-3/8 inches high between the bottom of the door and the floor, providing all-season protection against drafts, moisture, dust, and insects. An adjustable oak riser ensures a weather-tight seal at the bottom of the door, and it comes in a stylish bronze finish.
M-D Adjustable Aluminum and Hardwood Sill Inswing
The M-D Building Products 76281 Adjustable Aluminum and Hardwood Sill Inswing fits doors up to 36-Inch wide and provides all season protection against drafts, moisture, dust and insects. The adjustable oak riser seals gaps from 1-1/8-Inch to 1-3/8-Inch high between the bottom of the door and the floor. The mill finish adds an elegant touch to any entrance.
M-D Building Products 76265 Adjustable Aluminum & Oak Threshold
The M-D Adjustable Threshold is designed to provide a reliable seal for your French or exterior doors. Made with durable aluminum and solid oak wood, it offers long-lasting strength and quality. You can easily adjust the riser to fit uneven gaps, ensuring a tight seal that keeps out drafts, moisture, dust, and bugs. This means you can maintain a comfortable and clean home environment without worrying about outside elements sneaking in. Plus, the kit includes all the necessary hardware, making installation quick and hassle-free for you.
Blulu 36" Aluminum Exterior Door Threshold
The Blulu Aluminum Door Threshold is a sturdy and practical choice for your exterior doors. Measuring 36 inches long with a 5 5/8 inch threshold, it fits most door sizes, so be sure to check yours before buying. Made from durable aluminum, this threshold offers long-lasting strength to handle frequent use and tough weather. It also features a built-in vinyl seal that helps keep out drafts, rain, wind, dust, and pests, which means you can enjoy better energy efficiency and a more comfortable home. This threshold is designed to provide reliable protection and easy installation for both residential and commercial use.
Blulu 36" Aluminum Exterior Door Threshold
The Blulu Aluminum Door Threshold is a sturdy and practical choice for your exterior door needs. Measuring 36 inches long with a 5 5/8 inch width, it’s important to check your door size before buying to ensure a perfect fit. Made from durable aluminum, this threshold is built to last and handle frequent use as well as tough weather conditions. It also includes a wooden insert that helps seal the gap beneath the threshold, improving insulation and keeping drafts out. This design offers reliable protection and helps maintain your home’s comfort, making installation easy and effective.
Barzen Outswing Exterior Door Threshold Seal 36"
The Barzen Door Threshold Seal is designed with a sturdy wood base and an aluminum top, giving you a durable and low-maintenance sill that won’t expose wood to the elements. Its compact size, just three-quarters of an inch tall and over four inches wide, with a gentle slope, helps create a smooth transition under your outswing door. This threshold is perfect for standard and pre-hung doors, making it versatile for many home setups. Plus, the built-in foam seal means you don’t need extra door sweeps or shoes, helping you keep drafts out and energy costs down with minimal effort.
TMH Adjustable Height Exterior Door Threshold
This adjustable height exterior door threshold is made of high-quality aluminum, wood, hardware, and rubber seal. The oak riser can be adjusted a 1/4" for a tight seal. The pre-installed hardware ensures smooth up and down adjustability, while the rubber weather/moisture seal between aluminum and wood top keeps your home dry. This threshold is 36 inches long x 5.75 inches wide x 1.125 inches high, making it ideal for pre-hung doors.
Inbar Hardware Adjustable Aluminum Threshold
The Inbar Aluminum Threshold is designed to offer durability and convenience for your doorways. Made from heavy-duty aluminum, it stands up well to frequent use and ensures long-lasting performance. Its hidden screw design keeps the threshold looking clean and helps prevent dirt buildup, making maintenance easier. You’ll appreciate its ability to block drafts, moisture, and pests, which helps improve your home's energy efficiency. Plus, the adjustable fit means it can easily adapt to different door heights, providing a snug seal that keeps your space protected. This threshold is a smart choice for both home and commercial use.
M-D Building Products 36-Inch Deluxe High Threshold
The M-D Building Products 36-Inch Deluxe High Threshold is designed to fit doors up to 36 inches wide and seals gaps up to 1 inch high between the bottom of the door and the floor with its vinyl seal. Its durable powder coated Bronze finish adds a stylish look to your home entrance while providing long-lasting protection from the elements.
M-D Building Products 8086 32-Inch Threshold
The M-D Building Products 8086 32-Inch Deluxe Low Threshold with Vinyl Seal is designed to fit doors up to 32-Inch wide and seals gaps up to 5/8-Inch high between bottom of door and floor. With an aluminum finish, it provides all season protection against drafts, moisture, dust and insects. Additionally, the vinyl strips on the base provide a weather tight seal against the floor.
Frequently Asked Questions (FAQs)
1. What is a typical exterior door threshold?
A typical exterior door threshold is a saddle threshold, which is commonly used at exterior openings. It can come with supports underneath that run the full length of the threshold, providing stability and durability.
2. What are the different types of thresholds for external doors?
There are several types of thresholds for external doors. These include full frame (68mm), low frame (50mm), wheelchair (low 15mm aluminium), and wheelchair MDS25 (25mm aluminium) thresholds. The threshold is the lower part of the door frame that you step over to enter your property.
3. What do you put under an exterior door threshold?
To secure an exterior door threshold, you can use squirt expanding foam sealant to hold it in place and fill any air gaps. Additionally, you can install a toekick under the flashing and tightly against the underside of the threshold, securing it with screws. It is also recommended to apply a bead of sealant between the threshold and each door stop for added protection.
4. How do you secure an exterior threshold?
To secure an exterior threshold, you can use a caulk gun to lay a bead of caulk along the back edge of the threshold. Then, slide the threshold underneath the doorstops, positioning the notches cut to fit around the door jambs. Finally, secure the wood threshold with collated flooring nails for stability.
5. What is the maximum height of an exterior door threshold?
According to regulations, thresholds at doorways should not exceed 3/4 inch (19.1 mm) in height above the finished floor or landing for sliding doors serving dwelling units. For other doors, the maximum height should not exceed 1/2 inch (12.7 mm) above the finished floor or landing.
During our exterior threshold research, we found 24 exterior threshold products and shortlisted 10 quality products. We collected and analyzed 26,083 customer reviews through our big data system to write the exterior thresholds list. We found that most customers choose exterior thresholds with an average price of $39.51.
The exterior thresholds are available for purchase. We have researched hundreds of brands and picked the top brands of exterior thresholds, including M-D Building Products, Blulu, Barzen, Trademark Hardware, Inbar Hardware. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.
Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.