Best 36 Inch Thresholds of 2025

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36 Inch Thresholds are an essential component for any doorway that requires a smooth transition for wheelchair users or individuals with mobility issues. These thresholds come in a variety of materials, including aluminum, rubber, and wood, and are designed to provide a durable and long-lasting barrier between different floor surfaces. They are ideal for use in commercial and residential settings, and are easy to install with minimal tools and expertise required. 36 Inch Thresholds provide a safe and secure way for individuals to move freely between rooms, and can help to prevent tripping hazards and other accidents.
At a Glance: Our Top Picks
Top 10 36 Inch Thresholds
M-D Building Products Deluxe Low Threshold with Vinyl Seal, Aluminum
The M-D Building Products Deluxe Low Threshold with Vinyl Seal, Aluminum is a heavy-duty threshold that provides long-lasting seal and durability. With its all-season protection, it ensures a weathertight seal to keep out drafts, dust, and insects. This threshold is made of heavy-duty aluminum and vinyl, making it sturdy and resistant to wear and tear. The 36" x 3-3/4" x 3/4" size fits most standard doorways, making it a versatile choice for both residential and commercial use. With its durable construction and weathertight seal, the M-D Building Products Threshold is a reliable option for ensuring energy efficiency and protecting your home or business from the elements.
M-D 08243 36" Low Boy Threshold with Vinyl Seal Aluminum
The M-D Low Boy Threshold is a heavy-duty and durable threshold made of aluminum and vinyl. It features vinyl strips on the base that provide a weather-tight seal against the floor, ensuring protection against drafts and moisture. With the ability to seal gaps up to 5/16 inch high, this threshold offers excellent insulation and helps maintain a comfortable indoor environment. The M-D Low Boy Threshold is perfect for keeping out cold air, dust, and pests, making it an ideal choice for both residential and commercial use. Its high-quality construction ensures long-lasting performance, making it a reliable and cost-effective solution for sealing gaps and improving energy efficiency. With the M-D Low Boy Threshold, you can enjoy a weather-tight seal and enhanced comfort in your space.
Barzen Aluminum Threshold Strip 36 inch
The Barzen Threshold Strip is designed to enhance your entryways with its durable aluminum construction. You will appreciate its easy installation, featuring pre-drilled holes that allow for a quick setup without professional help. The commercial-grade strength of this threshold makes it perfect for both residential and high-traffic commercial spaces, ensuring it can handle heavy foot traffic effortlessly. Plus, its sleek black finish not only elevates the look of your doorway but also requires minimal maintenance—just a quick wipe with a damp cloth keeps it looking fresh.
Frost King AT4336A Saddle Threshold
The Frost King Threshold is designed to be user-friendly and easy to install, making it a great choice for anyone looking to enhance their doorways. It effectively blocks out dust and drafts, ensuring a more comfortable indoor environment. Whether you have old or new doors, this threshold fits seamlessly, providing a barrier against unwanted pests like insects and rodents. You simply set it in place and attach screws, making the installation process quick and hassle-free, helping you maintain a cleaner and more secure home.
Generic Adjustable Aluminum Threshold
The Generic Aluminum Threshold is a durable and adjustable solution for your doorways. Its heavy-duty construction ensures that it can withstand daily wear and tear, making it ideal for both commercial and residential use. Included with the threshold are all the necessary fasteners, bolts, nuts, caps, and screws, simplifying the installation process for you. Additionally, this product is available in multiple colors and sizes, allowing you to choose the perfect fit for your doors, whether they are exterior or interior. This versatility makes it a convenient choice for enhancing your home or business.
Adjustable Composite Cap and Base Exterior Inswing Threshold
This exterior inswing threshold features an adjustable composite cap and solid composite base, with a silver mill finish. The untrimmed length of 36 inches allows for customization to fit your needs. The composite materials provide durability and protection against weather elements, making it a reliable choice for your exterior door.
M-D Building Products 1-36-Inch High Bumper Threshold
This threshold fits out swing doors up to 36" wide and seals gaps up to 3/4" high between the bottom of the door and the floor. The flexible vinyl bumper forms a weather-tight seal against the door, providing all-season protection against drafts, moisture, dust, and insects. The aluminum finish adds durability and style to your doorstep.
Frost King Low Profile Aluminum Door Threshold
The Frost King Aluminum & Vinyl Door Threshold is an ideal weather sealing solution for door bottoms, with a high-rug design providing additional clearance. The threshold can seal gaps up to 3/4" and covers a 3 ft. threshold, preventing under-the-door drafting with vinyl insert on top and feet for a tight seal. Made from heavy-gauge aluminum, it is durable and reliable.
Randall 36" Mini Threshold
The Randall Mini Threshold is a practical solution for your doorways, designed to serve as both a door bottom and a threshold. Its compact size of 1 1/4" wide and a height of 3/8" to 1/2" makes it perfect for filling small gaps, ensuring a snug fit. You’ll appreciate the easy installation process, as it comes with pre-drilled holes and screws, allowing you to set it up without hassle. Crafted in the USA, this threshold guarantees quality and durability, making it suitable for both residential and commercial use.
Frost King Adjustable Sill Threshold
The Frost King TAOC36A Adjustable Sill Threshold is a 3.3 lb aluminum threshold with mill finish that measures 36 in L x 5-5/8 in W x 1-5/16 in H. It is made in the United States and is designed to fit most standard doors. This threshold is ideal for preventing drafts and reducing energy costs.
Frequently Asked Questions (FAQs)
1. What sizes do door thresholds come in?
The height of thresholds can vary anywhere from 1/4″ tall to 1″ or more. ADA requirements may restrict the height of the threshold to 1/2″ tall and a gradual incline no greater than 1/4″ in vertical rise. Thresholds can be supplied in widths from as small as 2″ wide up to 10″ or more.
2. What size threshold do I need?
Measure the space between the outside edges of the door casing. The new threshold should have a similar profile to your old threshold and be 1- to 2-inches longer than the length of the doorway so that you can trim it for an exact fit.
3. What is the difference between a door sill and threshold?
The door sill is part of the frame structure of the door and sits under the door jamb. The threshold sits on top of the sill and performs the duty of making the door weathertight.
4. What is the maximum height of a door threshold?
Thresholds at doorways shall not exceed 3/4 inch (19.1 mm) in height above the finished floor or landing for sliding doors serving dwelling units or 1/2 inch (12.7 mm) above the finished floor or landing for other doors.
During our 36 inch threshold research, we found 24 36 inch threshold products and shortlisted 10 quality products. We collected and analyzed 5,239 customer reviews through our big data system to write the 36 inch thresholds list. We found that most customers choose 36 inch thresholds with an average price of $22.24.
The 36 inch thresholds are available for purchase. We have researched hundreds of brands and picked the top brands of 36 inch thresholds, including M-D Building Products, Barzen, Frost King, Endura, Randall Manufacturing Co., Inc. The seller of top 1 product has received honest feedback from 385 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.