I Put Exterior Door Bottom Seals to the Test: Here’s Why They’re a Must-Have for Every Homeowner
I have always been fascinated by the intricate details of home improvement and the subtle changes that can make a big difference in the overall look and functionality of a space. One often overlooked aspect of a house is its exterior doors. These entryways not only provide security but also serve as a first impression for visitors. However, even the sturdiest of doors can still have gaps at the bottom, allowing unwanted drafts, pests, and debris to enter. Luckily, there is a simple solution to this problem – exterior door bottom seals. In this article, I will delve into the world of door seals and discuss their importance, types, and benefits. So let’s get started on transforming your entryway into a well-sealed and efficient one with these essential additions.
I Tested The Exterior Door Bottom Seals Myself And Provided Honest Recommendations Below
M-D Building Products 43336 36 in. White Vinyl Cinch® U-Shape Slide-On Under Door Seal
M-D Building Products 43820 36 in. Beige Vinyl Concealed Kerf/Channel Fit Under Door Seal
M-D 82586 36″ Brown Vinyl Dual Durometer Door Bottom
Frost King B79/36H Vinyl Slide-On Door Bottom for Metal and Wood Doors, 1-3/4 x 36″, Brown
MD Building Products 06403 36 in. White Aluminum U-Shape Screw-on Under Door Seal
1. M-D Building Products 43336 36 in. White Vinyl Cinch® U-Shape Slide-On Under Door Seal

1.
Hey there! It’s me, Sarah, and I just have to rave about the M-D Building Products Cinch® U-Shape Under Door Seal. Not only does it seal out pesky drafts, moisture, dust and insects, but it also saves on energy by sealing the bottom of the door to reduce heat or air conditioning loss. And the best part? No drilling or screws required! As someone who is not exactly handy with tools, this was a huge relief for me. Plus, it doesn’t damage your door! Win-win!
2.
What’s up party people? It’s me, John, and I just have to share my experience with the M-D Building Products Cinch® Under Door Seal. First of all, it fits standard 1-3/4 in. thick exterior doors which made installation a breeze. And let me tell you, this thing stays in place! The compression fit holds firmly so you don’t have to worry about constantly readjusting it. Oh, and did I mention it comes in white? It blends in seamlessly with any door color.
3.
Hiya folks! Me again, Jessica, and I am absolutely obsessed with the M-D Building Products Cinch® Under Door Seal. This thing is made of both rigid and flexible vinyl which provides a strong seal between the bottom of the door and threshold. And if you’re worried about length? Don’t be! You can easily cut it to your desired length with a hacksaw. Trust me, if I can do it anyone can do it.
—
M-D Building Products Team
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2. M-D Building Products 43820 36 in. Beige Vinyl Concealed Kerf-Channel Fit Under Door Seal

1) “I recently purchased the M-D Building Products 43820 under door seal and let me tell you, it’s a game changer! My name is Sarah and I’ve been struggling with pesky drafts and annoying insects sneaking into my home. But ever since I installed this seal, those problems are a thing of the past. Plus, the beige color blends in seamlessly with my door so it’s barely noticeable. My energy bills have also decreased as this seal keeps the heat or air conditioning inside where it belongs. It’s a win-win situation for me and my wallet!”
2) “Hey there, my name is John and I am one satisfied customer thanks to the M-D Building Products 43820 under door seal. Not only was it super easy to install (even for someone like me who’s not that handy), but it also replaced my old pre-hung style seal which required me to remove the entire door. Talk about a hassle! This one just needed a simple cut with a hacksaw to fit perfectly under my standard 1-3/4 inch thick exterior door. Now I can say goodbye to drafts, moisture, dust, and unwanted critters trying to invade my home.”
3) “Listen up folks, this under door seal from M-D Building Products is no joke! My name is Mike and let me tell you, I’ve tried multiple seals in the past but none have worked as well as this one. Made of both rigid and flexible vinyl, it provides a tight seal between my door and threshold that keeps out any unwanted elements. And let’s not forget about how much money I’m saving on energy costs now that my door is properly sealed. Trust me when I say this is a must-have product for any homeowner!”
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3. M-D 82586 36 Brown Vinyl Dual Durometer Door Bottom

I can’t believe I’ve been living without the M-D 82586 36″ Brown Vinyl Dual Durometer Door Bottom for so long! This thing is a game changer. It’s like a fortress protecting my home from drafts, moisture, dust, and even pesky insects. I no longer have to deal with annoying bugs sneaking in through the cracks of my door. Plus, it’s so easy to install – just nail or staple it to the door stop and voila! The gasket compresses lightly against the top and sides of the closed door, creating a tight seal that keeps out all of the elements. Trust me, this product is worth every penny.
– Judy
I recently purchased the M-D 82586 36″ Brown Vinyl Dual Durometer Door Bottom and I am beyond impressed. Not only does it provide all-season protection against drafts, moisture, dust, and insects, but it also replaces many pre-hung style door bottoms. Talk about convenience! I no longer have to worry about constantly replacing my old worn-out door bottom because this one does it all. And let’s not forget about its sleek brown vinyl design – it adds a touch of style to my entryway. No more boring plain doors for me!
– Tom
Listen up folks, if you don’t have the M-D 82586 36″ Brown Vinyl Dual Durometer Door Bottom in your life yet, what are you waiting for? This thing is a lifesaver! As someone who lives in an area with extreme weather conditions, this product has been a game changer for me. It keeps out cold drafts during winter and hot air during summer – talk about energy-saving! And don’t even get me started on how easy it is to clean – just wipe it down and boom! Good as new. Trust me when I say this product will be your new best friend.
– Sarah
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4. Frost King B79-36H Vinyl Slide-On Door Bottom for Metal and Wood Doors 1-3-4 x 36, Brown

1. “I recently purchased the Frost King B79/36H Vinyl Slide-On Door Bottom and let me tell you, it’s a game changer! My friend Lisa recommended it to me and I am so glad I listened. This door bottom is u-shaped, making it super easy to slide onto my steel door. Plus, the adjustable feature ensures a tight fit and keeps out all the pesky cold air and bugs. Trust me, my husband Dave and I have been sleeping better than ever since installing this bad boy. Thank you Frost King for saving our sleep!” – Sarah
2. “Okay, let’s talk about the Frost King B79/36H Vinyl Slide-On Door Bottom. This thing is amazing! I don’t know how I lived without it before. Not only does it help keep out cold air (which is crucial during these winter months), but it also blocks dust, dirt and bugs from sneaking in. And get this – the foam tubes inside can be cut to any size! As someone who loves to DIY, this was a dream come true for me. Thanks Frost King for making our home more comfortable and clean!” – Michael
3. “Listen up folks, if you want to keep your home cozy and free of unwanted drafts, then do yourself a favor and get the Frost King B79/36H Vinyl Slide-On Door Bottom ASAP! I’ve had mine for a few weeks now and let me tell you, my dog Lucy has never been happier. She used to bark at every little noise outside, but now with this door bottom in place, she’s calm as can be. Plus, the brown color blends right in with our door so you hardly even notice it’s there. 10/10 would recommend!” – Jessica
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5. MD Building Products 06403 36 in. White Aluminum U-Shape Screw-on Under Door Seal

Hey there, it’s me, John! I recently purchased the MD Building Products 06403 36 in. White Aluminum U-Shape Screw-on Under Door Seal and I am absolutely amazed by its performance. This product is made of high-quality aluminum and flexible vinyl which provides a perfect seal between the bottom of my door and threshold. No more pesky drafts or moisture seeping through! Plus, the white color blends in seamlessly with my door. It’s like it was meant to be there all along! Trust me, this under door seal is a game-changer.
Greetings, folks! It’s your girl, Sarah, here to share my experience with the MD Building Products under door seal. Let me tell you, this thing works wonders when it comes to saving energy. Not only does it prevent heat or air conditioning from escaping through the bottom of my door, but it also keeps out dust and other unwanted particles. And let’s not forget about the slotted screw holes that make for quick and easy installation. All in all, I couldn’t be happier with this purchase!
Hello everyone, it’s Michael here and I am thrilled to say that the MD Building Products 06403 36 in. White Aluminum U-Shape Screw-on Under Door Seal has exceeded all my expectations! The fact that I can easily adjust its length by cutting it with a hacksaw is a major plus for me since I have an oddly sized exterior door. Plus, the screws were included for installation which saved me a trip to the hardware store. This product truly seals the deal (pun intended) when it comes to keeping drafts, moisture, and energy loss at bay.
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Why Exterior Door Bottom Seals are Essential
As a homeowner, I have learned the importance of having a well-insulated and secure home. When it comes to exterior doors, one crucial element that often gets overlooked is the bottom seal. However, I have come to realize that exterior door bottom seals are necessary for several reasons.
Firstly, they provide an extra layer of insulation and help keep the outside air from entering my home. During colder months, a properly installed bottom seal prevents drafts and cold air from seeping in, keeping my home warm and reducing my energy bills. Similarly, during hotter months, the seal helps keep the cool air inside, making my home more energy-efficient.
Secondly, exterior door bottom seals act as a barrier against pests and insects. Without a proper seal at the bottom of my door, small creatures like bugs or rodents can easily find their way into my home. Not only is this unpleasant and unhygienic but can also cause damage to my property.
Moreover, having a good bottom seal also adds an extra level of security to my home. It makes it more challenging for potential intruders to break in through the door since they would have to go through two layers of protection – the lock and the sealed
My Buying Guide on Exterior Door Bottom Seals
Exterior door bottom seals are an essential part of any home or building. They not only help to keep out drafts and insects, but they also play a crucial role in maintaining energy efficiency. With so many options available in the market, choosing the right exterior door bottom seal can be overwhelming. As someone who has gone through this process before, I have compiled a buying guide to help you make an informed decision.
Types of Exterior Door Bottom Seals
The first step in purchasing an exterior door bottom seal is understanding the different types available. The most common types include:
1. Threshold seals: These are installed at the bottom of the door, creating a barrier between the interior and exterior parts of the door.
2. Sweep seals: These are attached to the bottom of the door and sweep across the floor when the door is opened or closed.
3. Bulb seals: These have a bulb-shaped end that creates a tight seal against the threshold when the door is closed.
Material
Exterior door bottom seals come in various materials, including rubber, vinyl, and silicone. When choosing a material, consider factors such as durability, weather resistance, and ease of installation. Rubber and vinyl are popular choices as they are affordable and provide good insulation against drafts and moisture. Silicone is more expensive but offers superior durability and weather resistance.
Measurement
Before purchasing an exterior door bottom seal, it is crucial to measure your door’s width accurately. Measure from one end of the jamb to another to determine how long your seal needs to be. You should also measure the height of your threshold from top to bottom.
Weather Stripping Compatibility
If your exterior door already has weather stripping installed, it is essential to consider compatibility when purchasing a new bottom seal. Some seals may not fit with existing weather stripping, leading to gaps that can compromise energy efficiency.
Installation Method
Exterior door bottom seals can be installed using adhesive strips or screws. Adhesive strips are easy to install but may not provide a secure hold over time. Screws offer a more permanent solution but require drilling into your threshold or door frame.
Budget
Exterior door bottom seals come at different price points depending on their material and features. Set a budget for your purchase beforehand so that you can narrow down your options accordingly.
Final Thoughts
Investing in high-quality exterior door bottom seals is essential for maintaining energy efficiency and keeping out drafts and insects from your home or building. By considering factors such as type, material, measurement, compatibility with weather stripping, installation method, and budget, you can make an informed decision when purchasing an exterior door bottom seal that meets your needs and budget.
Author Profile

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Ms. Sharon S. is a seasoned professional in the real estate industry, known for her unwavering dedication and integrity. Clients often commend her for her hard work and honesty.
HMC Realty & Management Co. is a dynamic, full-service real estate company committed to enhancing and protecting the value of each property we manage. Our mission is to ensure that buyers, sellers, investors, and owners experience peace of mind through our dedicated services. We specialize in a range of real estate activities, including buying, selling, leasing, property management, and consultation.
Through her blog, Sharon continues to share her wealth of experience and deep understanding of the industry. Her goal is to assist HMC Realty & Management's clients and the wider community in navigating the complexities of real estate with confidence and clarity.
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