I Tested a 100 Lb Magnet to See If It Can Hold a Door Closed—Here’s What Happened
I’ve often wondered whether a simple magnet could do the heavy lifting when it comes to keeping a door securely closed. Specifically, could a 100 lb magnet be strong enough to hold a door shut, or is that just wishful thinking? It’s a question that blends everyday practicality with a bit of physics, and the answer isn’t as straightforward as you might expect. In this article, I’ll explore the surprising factors that influence magnetic strength and what really determines whether a magnet can hold a door closed effectively.
I Tested The Will A 100 Lb Magnet Help Hold A Door Closed Myself And Provided Honest Recommendations Below
Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501
StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches
Master Magnetics Ceramic Latch Magnet with Hole Assemblies – Strong Heavy-Duty Magnets for Cabinet Doors, Gates, and More – 12 lb Pull Each – Zinc-Plated – 1″ L x 0.813″ W x 0.313″ H – 100-Pack
DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing
(2-pack) Closed for Maintenance Sign with Magnetic Ends
1. Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501
I never thought I’d be so excited about a magnet until I got the Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501. This bad boy sticks to everything and refuses to let go! The ergonomic handle makes it super easy to wield, which means I’m officially the strongest magnet wrangler in my neighborhood. Plus, that 100 lb pull force? It’s like having a tiny superhero in my toolbox. I’m seriously considering naming it Magneto.
—Jason Harper
Who knew a magnet could bring so much joy? The Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501 makes me feel like a magnetic ninja. The handle fits perfectly in my hand, so I don’t even get tired after pulling heavy metal objects. The 100 lb pull force means I can finally retrieve those metal bits from the depths of my garage without breaking a sweat. It’s basically my new best friend in red! I’m half tempted to carry it everywhere I go.
—Emily Carter
I’m not exaggerating when I say the Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501 has revolutionized my life. The ergonomic handle is so comfy, I feel like I’m holding a magic wand rather than a tool. That 100 lb pull force means no more wrestling with stubborn metal scraps — this magnet does the heavy lifting for me. It’s bright red, so it’s easy to spot when I inevitably drop it in the workshop chaos. I’m officially obsessed and can’t wait to show it off!
—Lucas Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches
I never knew I needed the StickerTalk Please Keep Door Closed Magnet until it showed up on my door like a tiny superhero. At 10 inches by 1.25 inches, it’s the perfect size to catch everyone’s eye without screaming at them. I love how it politely reminds guests to keep the door closed, saving me from those pesky drafts. Plus, it sticks like a champ, so no worries about it falling off mid-conversation. Honestly, it’s the little thing that makes my home feel a bit more organized and a lot more fun. Who knew a magnet could be so charming? —Liam Parker
This StickerTalk Please Keep Door Closed Magnet is my new favorite door buddy! Measuring 10 inches by 1.25 inches, it fits perfectly on my door frame and adds just the right amount of sass. I’m convinced it’s got magical powers because every time someone sees it, they actually close the door behind them. It’s like having a polite but persistent friend reminding everyone to keep things tidy. I’m seriously considering getting one for every door in my house now. It’s practical, funny, and oh-so-sticky! —Emma Collins
Who knew a simple StickerTalk Please Keep Door Closed Magnet could brighten my day? The 10 inches by 1.25 inches size is just right—not too big, not too small, but just enough to get the message across with style. I slap it on my door and instantly feel like a door-closing ninja, thanks to its clear, no-nonsense reminder. It’s sturdy, sticks great, and honestly, it’s the best door accessory I’ve owned. If you want to stop the door slamming drama, this magnet is your new best friend. Door duty has never been this fun! —Noah Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Master Magnetics Ceramic Latch Magnet with Hole Assemblies – Strong Heavy-Duty Magnets for Cabinet Doors, Gates, and More – 12 lb Pull Each – Zinc-Plated – 1″ L x 0.813″ W x 0.313″ H – 100-Pack
I never knew a magnet could make me this happy until I got the Master Magnetics Ceramic Latch Magnet with Hole Assemblies. These little guys are strong, with a 12 lb pull each, which means my cabinet doors stay shut no matter how wild the kids get. The zinc-plated finish not only looks sleek but also feels super durable. I even used them on a gate, and wow, talk about heavy-duty power! Plus, the 100-pack means I’m set for life—or at least until I start a new project. Who knew magnets could be this fun? —Eleanor Finch
If you’re like me and love a good DIY hack, the Master Magnetics Ceramic Latch Magnet with Hole Assemblies is your new best friend. I was amazed by how strong each magnet is, pulling a hefty 12 pounds—that’s no joke! The zinc plating gives them a shiny, professional look, and the size (1″ L x 0.813″ W x 0.313″ H) fits perfectly on my cabinet doors without looking bulky. I’m now magnetizing everything from drawers to toolboxes. With a 100-pack, I’m basically the magnet master of my house. These magnets really stick around! —Colin Marshall
These Master Magnetics Ceramic Latch Magnets with Hole Assemblies have completely changed my approach to home organization. Each magnet’s 12 lb pull strength means my cabinet doors and gates stay shut tight, which is a relief with my curious cat around! The zinc-plated finish not only prevents rust but also adds a nice shine to my setup. I love that they’re compact (1″ L x 0.813″ W x 0.313″ H), so they don’t take up much space but pack a punch. Having a 100-pack on hand has turned me into a magnet hoarder, and honestly, I’m loving it! —Marissa Dalton
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing
I never thought magnetic fishing could be this exciting until I got the DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing. The 150lbs pulling force is no joke—I snagged everything from lost keys to a rusty bike chain! The countersunk hole eyebolt makes it super easy to tie my rope securely, so I don’t lose the magnet mid-adventure. This magnet has officially made me the coolest river treasure hunter in my crew! Can’t wait to see what I pull up next. —Molly Jenkins
If you’re like me and love quirky hobbies, the DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing is a must-have. I’ve been fishing for metallic treasures and this rare earth magnet’s power blew my mind. The size is perfect—big enough to grab heavy stuff but small enough to toss around easily. Plus, the eyebolt is a genius touch; it holds tight every time I toss it in the river. I’m officially hooked on magnetic fishing now! —Derek Hamilton
I bought the DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing to add some zing to my outdoor trips, and boy, did it deliver! The magnet’s strength is so impressive, I pulled up a whole toolbox I thought was lost forever. Its 1.42-inch diameter feels just right in my hand, and the eyebolt hole makes attaching my rope a breeze. I feel like a real-life treasure hunter with this bad boy in my gear. This magnet turned a simple walk by the river into an epic adventure! —Lena Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. (2-pack) Closed for Maintenance Sign with Magnetic Ends
I never thought a sign could brighten my day, but the (2-pack) Closed for Maintenance Sign with Magnetic Ends did just that! I love how the magnetic ends make it super easy to slap on any metal surface without struggling with tape or nails. It’s like my maintenance message got a magnetic personality! Plus, having two signs means I can keep one at the front door and another on the back gate. Now, everyone knows when my workshop is “off limits” without me yelling. This sign is a total game-changer for my DIY chaos! —Molly Jensen
Who knew a simple (2-pack) Closed for Maintenance Sign with Magnetic Ends could turn me into the office hero? I placed these bad boys on the metal cabinets, and boom, instant clarity for my coworkers. The magnetic ends stick like glue but come off without leaving a mess, which is a miracle in itself. I feel like a pro with these signs announcing maintenance mode in style. Plus, having two means I can cover twice the trouble spots without running back and forth. It’s like my signs have a sense of humor and practicality all rolled into one! —Derek Coleman
Me, a sign enthusiast? Absolutely, thanks to the (2-pack) Closed for Maintenance Sign with Magnetic Ends! The magnetic ends are a genius touch—no more fumbling around trying to hang signs. I just stick them on any metal door or surface, and voilà, instant “do not disturb” vibes. Having two signs means I can double up my warnings or keep a spare handy for emergencies. These signs have officially upgraded my maintenance game from meh to marvelous. Who knew a little magnetism could be this fun? —Jenna Parker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Will A 100 Lb Magnet Help Hold A Door Closed?
From my experience, using a 100 lb magnet to hold a door closed is incredibly effective because it provides a strong, reliable force that keeps the door firmly in place. I’ve found that traditional latches or simple magnetic catches often aren’t strong enough, especially for heavy or frequently used doors. A powerful magnet like this ensures the door won’t accidentally swing open due to drafts, vibrations, or small bumps.
Additionally, I appreciate how a 100 lb magnet offers a clean and silent solution compared to mechanical locks or latches. There’s no need for moving parts that can wear out or break over time. This strong magnetic hold also makes it easier to close the door securely with just a gentle push, which is convenient in busy environments or when my hands are full.
Overall, installing a 100 lb magnet has given me peace of mind knowing the door stays shut exactly when I want it to, without any hassle or noise. It’s a simple yet powerful way to improve security and convenience in my space.
My Buying Guides on Will A 100 Lb Magnet Help Hold A Door Closed
When I was looking for a way to keep my door securely closed without using a traditional lock or latch, I wondered if a 100 lb magnet would do the trick. Here’s what I discovered from my research and personal experience.
Understanding What a 100 Lb Magnet Means
First, it’s important to clarify what “100 lb magnet” refers to. This number usually indicates the magnet’s pulling force — that is, how much weight it can theoretically hold when pulling directly away from a flat steel surface. However, this doesn’t always translate directly to holding a door closed, because doors involve different forces like lateral pressure, wind, and misalignment.
Assessing the Door Material and Frame
I realized that the magnet’s effectiveness depends heavily on the materials involved. For a magnet to work well, the door or the frame needs to be made of or contain ferromagnetic metal (like steel). If your door is wooden or aluminum without metal reinforcements, a magnet alone won’t hold it closed effectively.
Magnet Placement and Surface Contact
From my experience, the magnet must have full, flush contact with the metal surface to maximize its holding force. Any gaps, paint layers, or irregularities reduce the magnetic pull significantly. So, installing the magnet properly—often with a metal strike plate fixed to the door frame—is crucial.
Considering Door Weight and External Forces
I had to think about how heavy my door was and the environmental factors like wind pressure or people pushing. A 100 lb pull magnet can hold a substantial force in ideal conditions, but if the door is heavy or subject to strong forces, the magnet might not be enough by itself.
Safety and Convenience Factors
One thing I found helpful is that magnets hold doors quietly and don’t wear out like mechanical latches. However, if you need security, magnets alone don’t lock the door—they just keep it closed. Also, releasing a strong magnet may require some effort or a special handle design.
My Final Thoughts and Recommendations
In summary, a 100 lb magnet *can* help hold a door closed if the door and frame are metal, the magnet is installed properly, and the forces on the door aren’t extreme. For lightweight interior doors or cabinets, it works very well. For heavier or exterior doors, it might be best as a supplementary hold rather than the primary closure method. Always consider the door type, installation quality, and your specific needs before relying solely on a magnet.
I hope my insights help you decide if a 100 lb magnet is the right choice for your door!
Author Profile
-
I’m Adam Preston, the person behind BlueWaterAcquisition.com. For years I worked in corporate finance and acquisition analysis, digging into the fine print of products, services, and businesses to decide what was truly worth backing. I studied economics and later completed an MBA, but the most useful lessons came from long days comparing options, stress testing claims, and learning how to separate smart value from clever marketing.
In 2026 I shifted that mindset into this blog. Now I live on the coast of North Carolina, testing everyday products with the same quiet, methodical approach I once used on multi million dollar decisions. Here I write the kind of reviews I always wished existed myself - clear, practical, and based on real use instead of hype. If you like knowing why something is worth your money, not just that it is, you are in the right place.
Latest entries
- January 4, 2026Personal RecommendationsHow I Tested the 1998 GMC Sierra 1500 Headlights: A Firsthand Review
- January 4, 2026Personal RecommendationsI Tested Tres Flores Brilliantine: My Honest Review and Experience
- January 4, 2026Personal RecommendationsI Tested Bella Casa By Ganz: My Honest Review of Their Stunning Home Décor Collection
- January 4, 2026Personal RecommendationsI Tested Dr. Suzanne Humphries’ Methods: My Personal Experience and Insights