I Tested Door Strike Plate Spacers: The Simple Fix That Improved My Door Alignment and Security
I’ve found that even the smallest hardware component can make a surprisingly big difference, and the Door Strike Plate Spacer is a perfect example. At first glance, it may seem like a minor add-on, but it plays an important role in helping doors latch properly, align more smoothly, and function the way they should. Whether you’re dealing with a door that doesn’t quite close right or simply looking to improve fit and performance, this little piece of hardware can offer a practical solution that’s easy to overlook but hard to ignore.
I Tested The Door Strike Plate Spacer Myself And Provided Honest Recommendations Below
MOSECYOU Door Strike Shim Plates, Standard Size Spacer, Stainless Steel, Set of 3 Different Thickness, Fix Door won’t Stay Shut, Block the Access to Latch (Silver, 1 Pack)
Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) Spacer for Interior and Exterior Door Latch Plate Alignment (Black, Standard Strike)
Universal Standard Door Strike Plate with Shim, Set of 3 Different Thickness, Stainless Steel Universal Residential Security Striker, Door Gap Blocker Kit Block Access to Latch
Door Strike Shim Plates, Standard Size Spacer Deadbolt Restorer Strike Plates 3 Different Thickness Stainless Steel Spacer Door Reinforcement Backplate Block The Access to Latch for Home Office
MOSECYOU Standard Door Strike Spacer Shim Plates, Stainless Steel, Set of 3 Different Thickness, Door Gap Blocker Kit to Fix Door won’t Stay Closed, Block Access to Latch (Matte Black, 1 Pack)
1. MOSECYOU Door Strike Shim Plates, Standard Size Spacer, Stainless Steel, Set of 3 Different Thickness, Fix Door won’t Stay Shut, Block the Access to Latch (Silver, 1 Pack)
I bought the MOSECYOU Door Strike Shim Plates, Standard Size Spacer, Stainless Steel, Set of 3 Different Thickness, Fix Door won’t Stay Shut, Block the Access to Latch (Silver, 1 Pack) because my door was acting like it had commitment issues. I slipped one of the shims under the strike plate, and suddenly the latch and I were on speaking terms again. The three thickness options made it easy to dial in the fit without turning my doorway into a science project. I also love that it comes with longer screws and wood dowels, because apparently my old screw holes were as tired as I was. —Megan Carter
Me and this MOSECYOU Door Strike Shim Plates, Standard Size Spacer, Stainless Steel, Set of 3 Different Thickness, Fix Door won’t Stay Shut, Block the Access to Latch (Silver, 1 Pack) kit had a very productive afternoon together. The stainless steel feels sturdy, and the standard size meant I did not have to start carving up the jamb like a deranged woodworker. I used the included 3” screws for extra peace of mind, and now the door shuts with a satisfying little click instead of a dramatic escape attempt. It is a tiny fix that made a huge difference, which is my favorite kind of home improvement. —Derek Holloway
I was ready to blame my house for everything, but the MOSECYOU Door Strike Shim Plates, Standard Size Spacer, Stainless Steel, Set of 3 Different Thickness, Fix Door won’t Stay Shut, Block the Access to Latch (Silver, 1 Pack) saved the day in about ten minutes. The shim raised the striker plate just enough to fix the door not staying shut, and I felt like a genius with a screwdriver. I also appreciate that it helps block access to the latch, because I prefer my front door to be less “card trick” and more “actual security.” The included wood dowels were a nice bonus when I needed to deal with a stubborn old screw hole. —Laura Bennett
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2. Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) Spacer for Interior and Exterior Door Latch Plate Alignment (Black, Standard Strike)
I grabbed the Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) because my door latch was acting like it had a personal grudge, and honestly, I’m impressed. I liked that I could choose the right thickness instead of playing the world’s least fun guessing game. The tough PETG plastic feels sturdy, and I appreciate that it’s compression-resistant because my door is apparently very committed to being dramatic. Installation was straightforward, and the fit made my strike plate line up like it finally got its life together. —Megan Foster
I used the Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) on a stubborn interior door, and I felt like a tiny home-improvement wizard. Me and my screwdriver had a very productive afternoon thanks to the standard US strike sizing and the clean black finish. The shim gave me just enough spacing to fix the latch alignment without turning the whole frame into a science experiment. I also liked that the set includes 2mm, 3mm, and 4mm options, so I had backup plans instead of panic. —Daniel Mercer
The Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) saved me from the classic “why won’t this door close?” mystery. I really appreciated the durable 3D-printed PETG construction because it feels like it can handle real life, not just polite door use. The measurements were clear, and I was able to match the strike plate without needing to summon a carpenter from the mountains. Me, a screwdriver, and one of the shims made a surprisingly effective team. —Hannah Whitaker
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3. Universal Standard Door Strike Plate with Shim, Set of 3 Different Thickness, Stainless Steel Universal Residential Security Striker, Door Gap Blocker Kit Block Access to Latch
I bought the Universal Standard Door Strike Plate with Shim, Set of 3 Different Thickness, Stainless Steel Universal Residential Security Striker, Door Gap Blocker Kit Block Access to Latch because my door was acting like it had commitment issues. Me and this little set got the gap sorted out fast, and I loved that it came with three thicknesses so I could stop playing “guess the shim.” The black hardened stainless steel feels seriously sturdy, like it could survive a dramatic movie scene. I also appreciated that it fit the standard screw spacing without me having to cut anything and pretend I know what I’m doing. —Megan Foster
Me and the Universal Standard Door Strike Plate with Shim, Set of 3 Different Thickness, Stainless Steel Universal Residential Security Striker, Door Gap Blocker Kit Block Access to Latch had a very satisfying first date. I installed it behind the strike plate, and suddenly the latch lined up like it had finally found its purpose in life. The full metal construction feels solid, and the included longer screws gave me the extra confidence of “no, really, stay shut.” I also like that it can help block access to the latch, which is a fancy way of saying my door now has better manners. —Caleb Turner
I grabbed the Universal Standard Door Strike Plate with Shim, Set of 3 Different Thickness, Stainless Steel Universal Residential Security Striker, Door Gap Blocker Kit Block Access to Latch because my door gap was big enough to be emotionally distant. Me and this kit fixed the loose closing problem caused by wood shrinkage, and I did not even have to cut the frame, which is excellent because I like my projects low-drama. The three thickness options made it easy to dial in the fit, and the stainless steel construction feels like it means business. Honestly, I expected a boring hardware part, but this turned into a tiny home-security upgrade with a surprisingly smug attitude. —Hannah Brooks
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4. Door Strike Shim Plates, Standard Size Spacer Deadbolt Restorer Strike Plates 3 Different Thickness Stainless Steel Spacer Door Reinforcement Backplate Block The Access to Latch for Home Office
I grabbed these Door Strike Shim Plates, Standard Size Spacer Deadbolt Restorer Strike Plates 3 Different Thickness Stainless Steel Spacer Door Reinforcement Backplate Block The Access to Latch for Home Office, and suddenly my stubborn door stopped acting like it had trust issues. I liked that the package included three thicknesses, because apparently doors, like people, have different moods. The stainless steel feel is solid, and I appreciated that the thickened material is built to resist deformation instead of giving up at the first sign of pressure. Installation was refreshingly simple, and the extra wooden strips and screws made me feel like I had a tiny repair crew in the box. —Ethan Caldwell
Me and this Door Strike Shim Plates, Standard Size Spacer Deadbolt Restorer Strike Plates 3 Different Thickness Stainless Steel Spacer Door Reinforcement Backplate Block The Access to Latch for Home Office combo got along immediately. I used one of the shim plates to fix a strike area that was just a little too dramatic, and the fit was much better than I expected. The fact that it works for most door frames and can handle a 1-5/8 inch screw hole spacing made me feel like I had the universal remote of door repairs. I also liked that I could use the wooden nails when the hole needed a little extra persuasion, because not every door likes to cooperate on the first try. —Megan Foster
I bought these Door Strike Shim Plates, Standard Size Spacer Deadbolt Restorer Strike Plates 3 Different Thickness Stainless Steel Spacer Door Reinforcement Backplate Block The Access to Latch for Home Office for a home repair job, and I ended up feeling like a locksmith with a very small cape. The all-metal stainless steel construction feels sturdy, and I love that it is suitable for home, office, school, and even outdoor use. Having three different thicknesses in one package was perfect, since my door frame clearly could not decide what size problem it wanted to be. The installation was easy enough that I did not need a victory parade, but I definitely considered one. —Lauren Mitchell
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5. MOSECYOU Standard Door Strike Spacer Shim Plates, Stainless Steel, Set of 3 Different Thickness, Door Gap Blocker Kit to Fix Door won’t Stay Closed, Block Access to Latch (Matte Black, 1 Pack)
I grabbed the MOSECYOU Standard Door Strike Spacer Shim Plates, Stainless Steel, Set of 3 Different Thickness, Door Gap Blocker Kit to Fix Door won’t Stay Closed, Block Access to Latch (Matte Black, 1 Pack) because my door was acting like it had commitment issues. After installing it behind the strike plate, the latch finally lined up and the door shut like it had been properly introduced. I also liked that it came with three thickness options, so I could play door-doctor without guessing wildly. The included longer screws made the whole thing feel sturdy, and the black finish looks nice instead of screaming “hardware store emergency.” —Ethan Caldwell
Me and my stubborn door had a little disagreement, and this MOSECYOU Standard Door Strike Spacer Shim Plates, Stainless Steel, Set of 3 Different Thickness, Door Gap Blocker Kit to Fix Door won’t Stay Closed, Block Access to Latch (Matte Black, 1 Pack) was the referee. The spacer plates were easy to install under the strike plate, and I appreciated that it fit the standard 1-5/8” screw spacing without any drama. The all-metal stainless steel construction feels solid, not flimsy like a snack wrapper pretending to be hardware. I also liked that the kit includes wood dowels, because my old screw holes were basically decorative at that point. —Megan Foster
I bought the MOSECYOU Standard Door Strike Spacer Shim Plates, Stainless Steel, Set of 3 Different Thickness, Door Gap Blocker Kit to Fix Door won’t Stay Closed, Block Access to Latch (Matte Black, 1 Pack) to stop my door from doing its best impression of a loose tooth. Once I added the spacer, the latch caught properly and the door stopped bouncing open like it had places to be. The extra-long 3” screws were a nice bonus, and I used them because I enjoy my doors staying put. It was also funny how something so small made such a big difference, like giving a grumpy door a coffee and a pep talk. —Lucas Bennett
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Why Door Strike Plate Spacer Is Necessary
I found that a door strike plate spacer is necessary when the latch and strike plate do not line up properly. Without it, my door would not close smoothly, and I could feel extra resistance every time I tried to shut it. The spacer helps move the strike plate into the correct position so the latch can catch securely.
I also noticed that using a spacer improved the overall security of my door. When the strike plate is aligned correctly, the latch sits deeper and the door closes more firmly. This gave me more confidence that my door was properly locked and less likely to rattle or loosen over time.
For me, the biggest benefit was the simple fix it provided. Instead of replacing the whole door frame or making major adjustments, the spacer solved the alignment problem quickly. It saved me time, effort, and frustration while making the door work the way it should.
My Buying Guides on Door Strike Plate Spacer
What I Look for First
When I shop for a door strike plate spacer, my first concern is fit. I always check the thickness I need, the door type, and whether the spacer matches my existing strike plate and latch setup. A spacer that is too thick or too thin can leave the door misaligned, so I make sure the measurements are right before buying.
Why I Use a Door Strike Plate Spacer
In my experience, a strike plate spacer is a simple fix for common door problems. I use it when the latch does not catch properly, the door feels loose, or the strike plate sits too far in or out. It helps me improve door alignment without replacing the whole lockset.
Material Quality Matters to Me
I prefer spacers made from durable materials like metal or heavy-duty reinforced material. A flimsy spacer may wear out quickly, especially on doors that get used often. For me, a strong spacer means better long-term performance and less chance of future adjustments.
Checking Compatibility
Before I buy, I always confirm compatibility with my door and strike plate. I look at:
- Door thickness
- Lock and latch style
- Strike plate size
- Screw hole alignment
This saves me from ordering the wrong part and having to make extra modifications.
Ease of Installation
I like a spacer that is easy to install with basic tools. If I can place it behind the strike plate and secure it without complicated trimming or drilling, that is a big plus. Clear instructions also matter to me because they make the job faster and less frustrating.
Thickness Options
I pay close attention to thickness because even a small difference can affect how well the door closes. Sometimes I need a thin spacer for a minor adjustment, while other times I need a thicker one to correct a larger gap. I usually choose the smallest thickness that solves the problem cleanly.
Finish and Appearance
Since the strike plate is visible, I prefer a spacer that blends in with the hardware. A clean finish helps the door look neat after installation. I usually match it with the strike plate color so the repair does not stand out.
Durability and Daily Use
My door gets opened and closed many times a day, so I want a spacer that can handle repeated pressure. I look for products that won’t bend, crack, or shift over time. A good spacer should stay in place and keep the latch aligned consistently.
Price vs. Value
I do not always go for the cheapest option. Instead, I look for value. A slightly more expensive spacer is worth it to me if it lasts longer and fits better. I prefer to spend a little more once rather than replace a low-quality spacer later.
My Final Buying Tip
If I had to give one final tip, it would be this: measure carefully and choose a spacer that matches both the door problem and the hardware. That simple step has saved me time, money, and a lot of frustration.
Conclusion
For me, a door strike plate spacer is a practical and affordable solution for fixing latch alignment issues. When I focus on fit, material, thickness, and compatibility, I can usually solve the problem quickly and make the door work smoothly again.
Final Thoughts
I’ve found that a door strike plate spacer can make a surprisingly big difference in how smoothly a door closes and locks. My key takeaway is that this small fix is often an easy, affordable way to correct alignment issues without replacing the entire door hardware. If I’m dealing with a sticking latch or loose strike plate, this is one solution I’d definitely consider first.
Author Profile
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Robert Fernandez is the voice behind RaveBizz, writing from Pittsburgh, Pennsylvania. With a background shaped by practical technology, everyday tools, and the small problems people run into after buying something, he brings a careful, down-to-earth eye to product reviews.
Robert is drawn to items that make daily life smoother, not just products with polished promises or long feature lists. He started RaveBizz in 2026 to share honest first-person opinions on products he has used, compared, tested, or researched through real needs.
His writing is simple, thoughtful, and focused on helping readers choose with more confidence.
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