Best Aluminum Thresholds of 2026

Harry Stack Avatar
Harry Stack
Last Updated: Jan 19, 2026

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Aluminum thresholds are an essential component of any door installation project. These thresholds are made from durable and lightweight aluminum, making them resistant to corrosion and wear. They act as a barrier between the interior and exterior of a building, preventing drafts and moisture from seeping inside. Aluminum thresholds are available in a variety of sizes and finishes, making them suitable for different types of doors and aesthetic preferences. They are easy to install and maintain, providing long-lasting protection for your doors and floors. Whether you are renovating your home or working on a commercial project, aluminum thresholds are a reliable and cost-effective solution.

At a Glance: Our Top Picks

M-D Building Products 68247 Door Sweep Cover #TOP 1
M-D Building Products 68247 Door Sweep
ftb score rating icon 9.8
M-D Building Products 05769 Door Sweep Cover #TOP 2
M-D Building Products 05769 Door Sweep
ftb score rating icon 9.7
Randall Manufacturing Door Sweep with Black Brush Cover #TOP 3
Randall Manufacturing Door Sweep with Black Brush
ftb score rating icon 9.5

Top 10 Aluminum Thresholds

M-D Building Products 68247 Door Sweep

68247
Silver
36 Inch
M-D Building Products 68247 Door Sweep Cover
M-D Building Products 68247 All-Season Door Sweep, Heavy Duty Aluminum, Ideal for Residential & Commercial Use, Easy Installation with Heavy Rubber Seal, Ensure Comfort and Security (36 Inch, Silver)

The M-D Door Sweep is an essential tool for anyone looking to protect their home or office from the outside elements. This product is designed to fit doors up to 36 inches wide and can seal gaps up to 3/4 inch high between the bottom of the door and the threshold. This provides all-season protection against drafts, moisture, dust, and insects. Whether you're using it for residential or commercial purposes, this door sweep provides both convenience and peace of mind. Say goodbye to unwanted drafts and bugs and enjoy a more comfortable and clean living or working environment.

What We Like
Sturdy commercial-grade construction
Easy installation with screws
Blocks drafts and insects effectively
Customizable length and fit
Great value for price
#TOP 2

M-D Building Products 05769 Door Sweep

M-D Building Products 05769 Door Sweep Cover
M-D Building Products 05769 All-Season Door Sweep, Heavy Duty Aluminum and Vinyl, Ideal for Residential & Commercial Use, Easy Installation, Ensure Comfort and Save Energy (36 Inch, White)

The M-D Door Sweep is designed to keep your home or business comfortable year-round. Its sturdy aluminum frame and thick vinyl fins create a strong barrier that blocks drafts, helping to keep warm air inside during winter and cool air in during summer. This means you save on energy bills while enjoying a more comfortable indoor environment. It fits various door sizes, so you can easily install it on most doors without hassle. Plus, it seals gaps up to 3/4 inch, preventing dust and unwanted outdoor elements from entering your space, making your environment cleaner and more protected.

What We Like
Easy installation
Durable materials
Effective draft and insect blocking
Adjustable fit
Good weather resistance

Randall Manufacturing Door Sweep with Black Brush

3 FT BS-100-BLK
Black
36 Inch (Pack of 1)
Randall Manufacturing Door Sweep with Black Brush Cover
Randall Manufacturing Co., Inc | Door Sweeps – Aluminum & Brush | Brush Sweeps for Gaps Up to 1” | Black Trim with Black Brush | 3 Feet | Fill Gaps & Keep Unwanted Debris Out

The Randall Door Sweep is designed to seal the gap at the bottom of your door, helping to reduce noise and save on your heating and cooling bills by keeping your home insulated. It features a durable black polypropylene brush that prevents dirt and unwanted debris from sneaking inside, so you can keep your space cleaner. This door sweep fits gaps up to 1 inch, making it versatile for many doors, and you can even trim it to fit perfectly. Plus, it comes with pre-drilled mounting holes and matching screws, making installation quick and hassle-free for you.

What We Like
Easy installation process
Effective pest prevention
Draft and air blocking
Adjustable length, easy trimming
Quality materials and look

M-D Building Products TH041 Fluted Saddle

MD Building - 68361
Silver
4 in x 36 in
M-D Building Products TH041 Fluted Saddle Cover
M-D Building Products 68361 Sturdy Aluminum Fluted Saddle Threshold, Mill Finish: Stylish Doorway Transition Draft Protection (1/4-Inch by 4-Inch - 36-Inch) TH041

The M-D Building Products TH041 Fluted Saddle is a threshold designed to fit doors up to 36 inches wide. It seals gaps up to 1/2 inch high between the door and threshold, providing all-season protection against drafts, moisture, dust, and insects. It is U.L. Rated and ADA approved for handicap access, and features a mill finish. This threshold is an essential addition to any door to ensure a comfortable and energy-efficient environment.

What We Like
Sturdy and durable construction
Easy to cut and install
Wide coverage for thresholds
Good value for the price
Attractive appearance and color
#TOP 5

M-D Building Products 67106 TH200

MD Building - 67106
Mill
36 in
M-D Building Products 67106 TH200 Cover
M-D Building Products 67106 36 in. Mill Aluminum Snap-on Sill Threshold Extender

M-D TH200 Inswing Extenders by M-D Building Products is a versatile threshold designed to fit sills up to 36 inches wide and 2 inches deep. This sill extension is specifically designed for doors that swing inward, providing all-season protection against drafts, moisture, dust, and insects. With its mill finish, the M-D TH200 Inswing Extenders not only offer functional benefits but also add a sleek and polished look to your door. Say goodbye to uncomfortable drafts, unwanted moisture, and pesky insects as this threshold keeps them at bay. Enjoy a comfortable and well-sealed interior with the M-D TH200 Inswing Extenders.

What We Like
Easy installation process
Good price value
Fits various door sizes
Color matches well
Solves threshold extension needs

M-D Building Products 13524 Gray Vinyl Threshold Insert

13524
Gray
1-1/4" x 3/4" x 36"
M-D Building Products 13524 Gray Vinyl Threshold Insert Cover
M-D Building Products 13524 1-1/4 in. x 3/4 in. x 36 in. Gray Vinyl Replacement Insert for Adjustable Aluminum Threshold

The M-D Vinyl Threshold Insert is designed to help you easily replace worn or damaged door threshold inserts. Made from flexible vinyl, it effectively seals the bottom of your door, keeping drafts, moisture, dust, and insects out of your home. Measuring 1-1/4 inches wide by 3/4 inches high and 36 inches long after installation, it fits most adjustable aluminum thresholds. You can trim it to your desired length with scissors for a perfect fit, making the installation process simple and convenient.

What We Like
Flexible vinyl material
Effective door sealing
Customizable length
Easy replacement

M-D Building Products Seam Binder

43934
Pewter
36 x 2.5 x 0.101
M-D Building Products Seam Binder Cover
M-D Building Products 43934 2-1/2 in. X 36 in. Pewter Aluminum Seam Binder w/Screws & Anchors

The M-D Seam Binder is designed for use in doorways and entryways, providing a smooth transition between two flooring surfaces. This product ensures that your floors meet evenly, which can enhance safety and aesthetics in your home. Made from quality materials, it offers durability and a reliable solution to prevent tripping hazards. Being manufactured in China, it meets various standards for construction products. With its pewter finish, it adds a touch of elegance to any room while effectively serving its purpose.

What We Like
Smooth transitions between floors
Durable construction
Enhances safety
Aesthetic appeal
#TOP 8

Frost King Vinyl Slide-On Door Bottom

B79/36H
Brown
1-3/4 x 36"
Frost King Vinyl Slide-On Door Bottom Cover
Frost King B79/36H Vinyl Slide-On Door Bottom for Metal and Wood Doors, 1-3/4 x 36", Brown

The Frost King B79/36H Vinyl Slide-On Door Bottom is a U-shaped bottom that easily slides on to aluminum, steel or wood doors that are 1-3/4in thick. It is adjustable for a tight fit and helps keep out cold and warm air, dust, dirt and bugs. The door bottom is brown in color and 1-3/4in wide x 36in long. Screw-on installation makes it easy to install. The foam tubes inside the Double Draft Stop can be cut to any size and are versatile enough to fit narrower doors and smaller windows.

What We Like
Easy installation
Good draft protection
Flexible vinyl seal
Fits most standard doors
Good value

Inbar Hardware Adjustable Aluminum Threshold

Inbar Hardware
Life-pro90
Black
36 Inch
Inbar Hardware Adjustable Aluminum Threshold Cover
Adjustable Aluminum Threshold – Extra Short Width with Hidden Screws, Adapts to Any Height, Heavy-Duty for Residential & Commercial Use, Available in Multiple Sizes (Black, 36 inch)

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.

What We Like
Durable aluminum construction
Hidden screw design
Energy efficiency
Adjustable height fit
#TOP 10

M-D Building Products 78634 Adjustable Aluminum and Hardwood Sill Inswing

MD Building - 78634
Bronze
5 5/8 In x 36 In
M-D Building Products 78634 Adjustable Aluminum and Hardwood Sill Inswing Cover
M-D Building Products 78634 5-5/8 in. x 1-1/8 in. x 36 in. Bronze Adjustable Aluminum & Hardwood Threshold Kit - Versatile Solution for French and Exterior Doors

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.

What We Like
Solid oak material
Great finish and appearance
Easy to install with tools
Height adjustable feature
Good sealing with door bottom
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What size 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 is a low Aluminium threshold?

Choosing the right threshold Part M Mobility Threshold (Low Aluminium) for instance would be required for Wheelchair users ease of access or for those people that find it difficult to raise their legs when stepping into their homes , putting a high Threshold in would hinder Wheelchair users access.

3. Can you cut an aluminum door threshold?

M-D 08748 Low Threshold 36 in LM-D 78691 TH397 Fixed Vinyl Sill InswingM-D High Bumper ThresholdM-D Products SillFrost King Aluminum Commercial Threshold 453957490Frost King 3 in. x 36 in. Aluminum Low-Rug Threshold ST26ACRL TH610A Aluminum OEM Replacement Threshold for Air Control Doors - 5-5/16" x 6' LongFrost King Aluminum and Vinyl ThresholdM-D Building Products Flat Top 2-1/2 in. xM-D 49008 36" Satin Nickel Adjustable Thermal Break ThresholdGaradry 0.59" Commercial Door Aluminum Threshold Seal KitAdjustable 3-1/2 in. x 26-1/2 in. Aluminum Threshold with Vinyl SealM-D Building Products 68395Pemko Aluminum Fluted Saddle Threshold Mill Finish 2748A36Frost King T35/36H Under-Door Threshold KitM-D 43822 Break Threshold 36 in LM-D Building 49010 Flat Top ThresholdGrainger Approved 2RRL1,Saddle Threshold Low Profile Mill 5 in WdIndustrial Strength Aluminium Threshold Seal kit full kit by Garadry

Editor's Notes

During our aluminum threshold research, we found 24 aluminum threshold products and shortlisted 10 quality products. We collected and analyzed 66,554 customer reviews through our big data system to write the aluminum thresholds list. We found that most customers choose aluminum thresholds with an average price of $19.60.

The aluminum thresholds are available for purchase. We have researched hundreds of brands and picked the top brands of aluminum thresholds, including M-D Building Products, Randall Manufacturing Co., Inc, Frost King, Inbar Hardware. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Harry Stack Avatar

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.