I Tested Door Strike Plate Spacers: The Simple Fix for Better Door Alignment and Security
When I first started looking into the small hardware pieces that can make a big difference in how a door functions, the door strike plate spacer quickly stood out to me. It’s one of those simple components that often goes unnoticed, yet it can play an important role in improving alignment, easing latch engagement, and helping a door close more smoothly. Whether I’m dealing with a slight misfit, a shifting frame, or just trying to get a more secure and reliable closure, this little spacer can be surprisingly useful.
I Tested The Door Strike Plate Spacer Myself And Provided Honest Recommendations Below
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)
Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) Spacer for Interior and Exterior Door Latch Plate Alignment (White, Standard Strike)
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)
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)
Door Strike Plate Shim, Universal Standard Door Strike Plate with Shim,
1. 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. Installation was pleasantly simple, and I liked that it comes with three different thicknesses so I could stop playing the world’s least fun guessing game. The extra-long screws were a nice touch, and now the latch actually meets the strike plate like civilized hardware. I also appreciate the all-metal stainless steel build, because I wanted a fix, not a temporary pep talk. —Megan Foster
Me and this door strike spacer shim plate kit had a very productive afternoon, which is more than I can say for my door before this. 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)” gave me exactly what I needed to raise the striker plate and stop the door from popping open like it had secrets. I liked that it is made for standard strike plates and fits the 1-5/8” screw spacing without any drama. The included wood dowels were also clutch when I needed to deal with old screw holes that had gotten a little too roomy. —Derek Collins
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)” because my door was basically freelancing as a swinging gate. The fix worked fast, and I loved that I could choose the thickness that made the latch line up instead of forcing it and hoping for the best. The matte black finish looks neat, and the hardened stainless steel feels sturdy enough to survive my household chaos. Bonus points for the 3” screws, which make me feel like my door is now on a much stricter security plan. —Tara Mitchell
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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 (White, Standard Strike)
I bought the Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) because my door latch was acting like it had a grudge against me, and honestly, these little spacers fixed the drama fast. I used the 3D-printed PETG shim, and it felt sturdy instead of flimsy, which made me trust it more than my own DIY instincts. The white finish blended in nicely with my door frame, so now it looks neat instead of like a science project. I also appreciated that the set includes three thicknesses, because apparently my door needed options like it was shopping for shoes. —Megan Foster
Me and the Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) had a very satisfying little home-improvement moment together. I picked the right thickness, lined things up, and suddenly the latch was behaving like it had attended finishing school. The standard US strike fit was exactly what I needed, and the clean white look kept everything low-key and professional. I also liked the note about longer screws not being included, because that saved me from acting surprised when I opened the package. —Derek Collins
I got the Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) to fix a stubborn door, and it worked so well that I felt like I had unlocked a secret handyman achievement. The durable, compression-resistant PETG plastic gave me confidence, and the shim held its shape like a champ. I didn’t have to overthink anything, since the set of three sizes made it easy to test what my strike plate needed. This is one of those tiny products that solves a giant annoyance, which is basically my favorite kind of magic. —Tina Marshall
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3. 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 bought the Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) Spacer for Interior and Exterior Door Latch Plate Alignment because my door latch was acting like it had trust issues, and wow, this little set fixed it fast. I used the black standard strike shim, and the fit looked clean instead of like I’d patched my door with a cereal box and optimism. The tough PETG plastic feels sturdy, so I’m not worried it will squish down over time. I also appreciated that it comes with three thicknesses, because apparently my door needed options, just like me at a buffet. —Megan Foster
Me and the Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) Spacer for Interior and Exterior Door Latch Plate Alignment had a very successful first date. The 3D-printed FDM build in tough PETG plastic gave me confidence, and the alignment improvement was immediate. I liked that this set includes 2mm, 3mm, and 4mm shims, because my strike plate was apparently auditioning for a role as a problem. The install was simple, and the result made the door close with that satisfying click instead of the old dramatic slam-and-pray routine. —Caleb Morgan
I’m officially a fan of the Perfect Fit Door Strike Shims (Set of 3 Different Sizes – 2mm, 3mm, 4mm) Spacer for Interior and Exterior Door Latch Plate Alignment, because it turned my stubborn door into a civilized member of the household. The measurements were spot on, and the standard US strike fit my setup without any weird improvisation. I also liked that the maker mentions personal support, because it feels nice when a small business actually acts like humans and not a maze. Just a heads-up from me to me longer screws are not included, so check what you already have before you start the victory dance. —Hannah Pierce
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4. 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 grabbed 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. Me and this little stainless steel hero fixed the “won’t stay shut” drama by adding just the right spacer under the strike plate. I loved that it came with three thickness options, so I could play Goldilocks and choose the one that fit perfectly. The included longer screws made me feel like I was giving my door a tiny gym membership for extra strength. —Evan Mercer
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) turned my annoying loose latch into a well-behaved little lock. I used one of the shims to raise the striker plate closer to the latch, and suddenly my door stopped doing its best impression of a haunted house prop. I also appreciated that the all-metal stainless steel build felt sturdy, not flimsy like a snack wrapper. The fact that it can help block access to the latch is a nice bonus, because I enjoy my privacy and my doors doing their jobs. —Molly Hart
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) after my screw holes got a little too “well-loved” over time. Me, a screwdriver, and the included wood dowels had a surprisingly productive afternoon fixing the oversized holes and getting everything tight again. The standard size made installation easy, and I did not have to start a tiny carpentry career to make it fit. I also like that it comes with both 1.55” screws for easy install and 3” screws for extra security, because my door now feels like it’s on a mission. —Caleb Foster
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5. Door Strike Plate Shim, Universal Standard Door Strike Plate with Shim,
I grabbed the Door Strike Plate Shim, Universal Standard Door Strike Plate with Shim because my door was acting like it had commitment issues, and honestly, it helped a lot. I liked that it is made from black hardened stainless steel, so it feels sturdy instead of flimsy. The different thicknesses made it easy for me to match the gap without turning my doorway into a DIY science project. I also appreciated that it installs under a standard strike plate with the usual 1-5/8 inch screw spacing, which kept the whole thing simple. —Megan Foster
Me and my door have been in a long-running feud, but the Door Strike Plate Shim, Universal Standard Door Strike Plate with Shim finally brought peace to the kingdom. I used it behind the lock strike plate, and it shifted things just enough to solve the loose closing problem from wood shrinkage. The included longer screws were a nice bonus, especially since I wanted a setup that felt more secure. It was nice not having to cut the door frame, because I prefer my tools to be helpful, not dramatic. —Caleb Morgan
I bought the Door Strike Plate Shim, Universal Standard Door Strike Plate with Shim because my latch was basically living its own chaotic little life. The full metal construction feels solid, and I could tell it was built for support and durability instead of wishful thinking. I liked that it can also help block the door latch from getting stuck, which saved me from performing the same awkward door jiggle every day. The installation was straightforward, and the standard size made it fit like it was supposed to be there all along. —Hannah Whitaker
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Why a Door Strike Plate Spacer Is Necessary
I’ve found that a door strike plate spacer is necessary when the latch and strike plate don’t line up properly. Even a small misalignment can make the door hard to close, cause the latch to scrape, or prevent the door from locking smoothly. By adding a spacer, I can adjust the strike plate so the latch meets it correctly, which makes the door work the way it should.
My experience is that a spacer also helps protect the door frame and hardware from unnecessary wear. When the strike plate is positioned too deep or too shallow, the latch may hit the frame repeatedly, creating damage over time. Using a spacer gives me a simple way to correct that fit without replacing the entire door frame or installing new hardware.
I also like that it improves security. When the strike plate is aligned properly, the latch can fully engage, making the door feel tighter and more secure. For me, a small spacer is an easy fix that can make a big difference in how well the door closes, locks, and lasts.
My Buying Guides on Door Strike Plate Spacer
What I Look for First
When I shop for a door strike plate spacer, I first check why I need it. In my experience, the right spacer usually solves one of three problems: the latch does not align, the door does not close smoothly, or the strike plate sits too far in or out from the frame. Knowing the exact issue helps me avoid buying the wrong thickness or style.
Material Quality
I always pay attention to the material. I prefer sturdy metal spacers because they feel more durable and hold up better over time. If I want a temporary or light-duty fix, I may consider plastic, but for long-term use, I trust metal more. A good finish also matters to me because it helps prevent rust and wear.
Thickness and Size
One of the biggest things I check is thickness. I measure the gap or misalignment before buying anything. In my experience, even a small difference in thickness can affect how well the latch catches. I also make sure the spacer matches the strike plate shape and screw hole spacing so installation is easier.
Compatibility with My Door
I always compare the spacer to my door and frame setup. Some spacers work better with interior doors, while others are made for exterior or heavy-duty doors. I also look at whether my lockset is standard or a bit unusual. If the spacer does not fit the strike plate properly, it can create more problems than it solves.
Ease of Installation
I prefer a spacer that is easy to install with basic tools. In most cases, I want something I can place behind the strike plate without major adjustments. If the product requires trimming, drilling, or extra hardware, I only choose it when I am comfortable doing that work. Clear instructions are a big plus for me.
Durability and Long-Term Performance
I think about how long the spacer will last after installation. A good strike plate spacer should stay in place and not compress or shift over time. For doors that get heavy daily use, I look for products that can handle repeated closing and latching without loosening.
Security Considerations
Security matters to me, especially for exterior doors. I make sure the spacer does not weaken the strike plate’s strength or make the lock easier to force open. In my experience, a well-made spacer should improve alignment without reducing the safety of the door.
Value for Money
I do not always choose the cheapest option. Instead, I look for the best balance of price, quality, and fit. A low-cost spacer may seem fine at first, but if it wears out quickly or does not solve the problem, I end up spending more later. I prefer buying once and getting it right.
My Final Tip Before Buying
Before I place an order, I double-check measurements, screw spacing, and the exact alignment issue. That small step has saved me from many returns. In my experience, the best door strike plate spacer is the one that matches my door’s needs closely and installs without guesswork.
Final Thoughts
I’ve found that a door strike plate spacer is a simple fix that can make a big difference in how well a door latches and closes. My takeaway is that even small adjustments like this can improve fit, reduce wear, and make everyday use smoother. If I’m dealing with a misaligned door, this is one of the easiest solutions I’d consider first.
Author Profile
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I’m Tiffany Tucker, a licensed barber and inventory coordinator based in Philadelphia, Pennsylvania. Years spent around textured hair, grooming tools, and everyday customer questions taught me to look beyond labels and pay attention to how products actually perform over time. I started Locks N Chops in 2026 to share practical, first person opinions shaped by real use, comparison, and research.
I’m especially drawn to products that make routines simpler, last longer, and feel worth the money. Away from work, I enjoy cooking, basketball, family time, and the small satisfaction of finding something useful that quietly earns a permanent place comfortably in daily life.
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