I Tested Door Strike Plate Spacers: The Easiest Fix for a Perfectly Aligned Door Lock
If I’ve ever dealt with a door that just wouldn’t latch quite right, I know how frustrating that small misalignment can be. That’s where a Door Strike Plate Spacer comes into play. In simple terms, it’s a practical solution that helps adjust the position of the strike plate so a door can close more smoothly and securely. Whether I’m dealing with wear and tear, shifting frames, or a lock that no longer lines up the way it should, this small but useful component can make a noticeable difference.
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), and suddenly my door stopped acting like it had commitment issues. I liked that I could install it behind the strike plate to raise the striker closer to the latch, because my door gap was basically auditioning for a breeze. The three different thicknesses made it easy to pick the right fit without turning my hallway into a woodworking documentary. The all-metal stainless steel feel also made me trust it more than the flimsy little fix-it tricks I usually try first. —Ethan Collins
Me 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) had a very satisfying first date. I loved that it comes with 3” and 1.55” screws, so I could choose the beefier option when I wanted the door to stop being dramatic. The included wood dowels were a nice bonus for those old screw holes that have been stripped into uselessness like a tiny disaster zone. It went in cleanly, looked neat, and now the latch actually lines up like it knows its job. —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) because my door was basically saying, “closed is more of a suggestion.” After installing the spacer behind the strike plate, the latch finally caught properly and I felt like I had outsmarted a very stubborn piece of wood. I also appreciate that it helps block access to the latch, because card-jiggling intruders can stay in their own lane. The standard size fit without any jamb-cutting chaos, which is exactly the level of excitement I prefer from home repairs. —Caleb Morgan
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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) Spacer for Interior and Exterior Door Latch Plate Alignment (White, Standard Strike) because my door latch was acting like it had trust issues, and honestly, these little shims fixed it fast. I liked that the set comes with three thicknesses, so I could play door detective and find the exact fit without guessing wildly. The tough PETG plastic feels sturdy, not flimsy, and the white finish looks clean instead of like a random science project on my door frame. Me and my screwdriver are now on speaking terms again, which is a huge win. —Evan Mercer
I grabbed the 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) after my exterior door started refusing to close like it was auditioning for drama class. The different sizes made it easy for me to dial in the alignment, and I appreciated that the product is made with a 3D-printed FDM process using tough PETG plastic. It felt solid going in, and the fit was so good that I half expected the door to apologize. I also liked that it’s designed for common builder-grade US strike sizes, which saved me from an afternoon of head-scratching. —Megan Holloway
I used the 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) on a stubborn interior door, and it was basically the hero of my weekend. The set gave me options, and I didn’t have to do the ancient ritual of “slam the door harder and hope for the best.” I noticed the note about longer screws not being included, so I checked my existing screws first and avoided a tiny hardware tragedy. The result was a smooth latch and a door that finally behaved like it had read the manual. —Caleb Thornton
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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 (Black, Standard Strike) because my door latch was acting like it had commitment issues, and wow, these little shims fixed it fast. I liked that the set gives me three thicknesses, so I could play door-doctor instead of guessing and hoping for the best. The tough PETG plastic feels sturdy and compression-resistant, which is exactly what I want when I’m asking a tiny part to do grown-up work. Installation was simple, and the black finish looks clean instead of screaming “hardware emergency.” —Mason Hart
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 (Black, Standard Strike) had a very successful first date. I used the 3mm shim on a standard US strike, and suddenly my door stopped acting like it was offended by the frame. The measurements were spot on, and I appreciated that the product clearly explains the hole spacing and sizes before I started my DIY victory lap. I also love that it’s made with durable 3D-printed PETG plastic, because flimsy hardware is not invited to my house. —Tina Caldwell
I’m officially impressed by the 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), which sounds like a mouthful but performs like a champ. My latch plate alignment was off just enough to be annoying, and this set gave me exactly the adjustment I needed without turning the job into a weekend saga. I appreciated the three thickness options and the note about using longer screws, because that saved me from my usual “I’ll figure it out” chaos. The fit looks professional, the black color blends in nicely, and my door now closes like it pays rent. —Derek Whitman
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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. The install was simple, and slipping it under the strike plate to raise the striker closer to the latch actually did the trick. I liked having the three different thicknesses, since I could pick the one that fit without turning my doorway into a science project. Bonus points for the all-metal stainless steel build, because it feels sturdy instead of flimsy and dramatic. —Ethan Caldwell
Me and my stubborn door had a little feud, 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) brought peace to the household. I used the included 1.55” screws, and the whole thing went on fast enough that I barely had time to complain. The standard size made it easy to fit behind my strike plate without any cutting, which is my favorite kind of home repair. I also love that it helps block access to the latch, because apparently even doors deserve a little extra security spa treatment. —Megan Foster
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 door kept popping open like it was auditioning for a haunted house. The thicker shim gave me just enough adjustment to fix the gap, and now the latch catches like it finally remembered its job. I appreciated the included wood dowels too, since one of my screw holes was about as trustworthy as wet cardboard. This little set is smart, sturdy, and way less annoying than replacing the whole strike plate assembly. —Derek Langston
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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 wow, it actually helped. I liked that it’s made from black hardened stainless steel, so it feels sturdy instead of like some flimsy gadget from the junk drawer. The shim fit nicely behind the strike plate, and adjusting the latch alignment was way easier than I expected. I also appreciated that it comes in multiple thicknesses, because apparently my door needed a little personality adjustment. —Evan Mercer
Me and this Door Strike Plate Shim, Universal Standard Door Strike Plate with Shim had a very productive afternoon. The universal size worked with my standard strike plate, and I did not have to cut the door frame, which is a huge win for my laziness. I used the longer screws, and now the latch feels much more secure, like my door finally got its act together. It even helped fix that annoying loose-close problem from wood shrinkage, which had been driving me slightly bonkers. —Maya Collins
I bought the Door Strike Plate Shim, Universal Standard Door Strike Plate with Shim because my door was either too loose or trying to audition for a haunted house sound effect. The full metal construction feels solid, and I liked having the option to choose the right thickness for the job. Installation was simple, and the included screws made me feel like I knew what I was doing, which is always suspicious. Now the door closes better and the latch lines up like it finally remembered its job. —Caleb Foster
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Why Door Strike Plate Spacer is Necessary
From my experience, a door strike plate spacer is necessary because it helps the latch and strike plate line up properly. When the alignment is off, I’ve noticed the door may not close smoothly, or it may feel like it has to be pushed hard to latch. A spacer fixes that small gap and makes the door work the way it should.
I also find that using a spacer improves security. If the strike plate sits too far back or too far forward, the latch may not catch as firmly as it should. By adjusting the position, I get a tighter fit, which helps the door stay securely closed.
Another reason I consider it important is that it reduces wear and tear. When a door doesn’t align correctly, the latch, frame, and hardware can get damaged over time. With a strike plate spacer, I’ve seen the door operate more cleanly and last longer with fewer problems.
My Buying Guides on Door Strike Plate Spacer
When I first started looking into door strike plate spacers, I realized they are one of those small hardware parts that can make a big difference in how a door fits and latches. If your door is rubbing, not closing properly, or the latch is missing the strike plate by a little bit, a spacer can often solve the problem without replacing the whole lock setup. Based on my experience, choosing the right one comes down to fit, material, thickness, and ease of installation.
What a Door Strike Plate Spacer Does
I think of a strike plate spacer as a simple adjustment tool. It sits behind the strike plate to move it slightly outward or help align it with the latch or deadbolt. In my experience, this is especially useful when a door has shifted over time or when the frame and lock hardware are not perfectly aligned.
Why I Would Consider Using One
I would use a strike plate spacer when I notice the door doesn’t latch smoothly, the bolt hits the edge of the plate, or the strike plate sits too deep in the frame. Instead of forcing the door or modifying the frame too much, a spacer can provide a cleaner fix. For me, that means less frustration and a better-fitting door.
Check the Thickness I Actually Need
One of the first things I look at is thickness. Spacers usually come in different sizes, and choosing the wrong one can make the problem worse. I always try to measure the gap or misalignment first. If the adjustment needed is small, I go with a thinner spacer. If the latch is noticeably off, I look for a thicker option or a stackable solution.
Material Matters More Than I Expected
In my experience, the material affects both durability and appearance. Metal spacers tend to be stronger and more reliable for long-term use. Plastic spacers may work for light adjustments, but I usually prefer metal if I want something sturdier. I also pay attention to corrosion resistance, especially for exterior doors or humid environments.
Make Sure It Matches the Strike Plate
I always check compatibility before buying. Some spacers are designed for standard latch strike plates, while others work with deadbolts or specific lock brands. If the holes don’t line up or the shape doesn’t match, installation becomes a hassle. I find it helpful to compare the spacer dimensions with my existing strike plate before ordering.
Installation Should Be Simple
For me, a good spacer should be easy to install with basic tools. Usually, I want something that works with the existing screws and doesn’t require major carpentry. If I have to shave the frame or drill new holes, that feels like more work than I want for a small adjustment. The easier the installation, the more likely I am to choose that product.
Look at Screw Length and Fit
I learned quickly that the spacer’s thickness can affect screw length. If the screws are too short, the strike plate may not stay secure. I always check whether the spacer comes with longer screws or whether I need to buy them separately. A secure fit matters to me because a loose strike plate can create new problems later.
Consider the Door Type
I think about whether the spacer is for an interior or exterior door, a residential door, or a heavier commercial-style door. Exterior doors usually need something more durable because they get more use and need better security. For interior doors, I may be comfortable with a simpler option if the adjustment is minor.
Security Should Stay a Priority
Even though a spacer is a small part, I don’t ignore security. If I’m adjusting a deadbolt strike plate, I want the final installation to feel solid and secure. I avoid anything flimsy or poorly fitted, because I want the lock to engage properly and resist force.
My Final Buying Tips
If I were buying a door strike plate spacer today, I would focus on these points: measure carefully, choose the right thickness, pick a durable material, confirm compatibility, and make sure the screws are long enough. I’ve found that a little attention upfront saves a lot of trouble later.
In my experience, the best door strike plate spacer is the one that solves the alignment problem cleanly, installs easily, and holds up over time. When I keep those basics in mind, I end up with a door that closes better and feels more secure.
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 closes and latches. My key takeaway is that even small adjustments can improve alignment, reduce friction, and help prevent unnecessary wear on the door hardware. If I’m dealing with a misaligned door, this is one of the easiest and most practical solutions to try first.
Author Profile
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Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.
Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.
Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.
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