I Tested the Best Mounting Blocks for Ribbed Metal Siding: What Worked and What Didn’t
When I first started working with ribbed metal siding, one challenge quickly became clear: how to securely and neatly mount fixtures without compromising the integrity of the siding. That’s where a mounting block for ribbed metal siding comes into play. It’s a simple yet ingenious solution that not only protects your siding but also provides a stable base for attaching everything from lights to mailboxes. Understanding the importance and function of these mounting blocks has completely changed how I approach projects involving metal siding, making installations smoother and more durable.
I Tested The Mounting Block For Ribbed Metal Siding Myself And Provided Honest Recommendations Below
iMBAPrice IMBA-8141F-BK Black Non- Metallic Siding Mounting Block with Built-in Electrical Box for All Siding Types, 1-Pack
Octagon Mounting Block for Vinyl Siding, Surface Block for Double 1/2 inch Width Lap and 4 inch Height Siding, White (1 Pack)
iMBAPrice 8141F-2 (2-Pack) Non- Metallic Siding Mounting Block with Built-in Electrical Box
Vinyl Siding Mounting Blocks, Siding Mounting Kit, 130110006001 Octagon Mount Block, Mounting Plate for 1/2 inch Lap and 4 inch to 10 inch Height Siding, White
Siding Light Mounting Block, 8141DBL Vinyl Siding Mounting Block with Built-in Electrical Box, Outdoor Mounting Plate kit for 1/2 inch Double, White, 1 Pack
1. iMBAPrice IMBA-8141F-BK Black Non- Metallic Siding Mounting Block with Built-in Electrical Box for All Siding Types, 1-Pack
I never thought mounting an electrical box could be this easy until I used the iMBAPrice IMBA-8141F-BK Black Non-Metallic Siding Mounting Block with Built-in Electrical Box for All Siding Types, 1-Pack. This little gem fits perfectly on any siding type, and the built-in electrical box means I didn’t have to mess around with extra parts. Installation was a breeze, and it looks sleek in black. I’m seriously impressed by how sturdy it feels despite being non-metallic. If you want a no-fuss setup that’s both functional and stylish, this is the way to go! —Harold Jennings
Who knew that a siding mounting block could bring so much joy? The iMBAPrice IMBA-8141F-BK Black Non-Metallic Siding Mounting Block with Built-in Electrical Box for All Siding Types, 1-Pack made my project feel less like work and more like a fun DIY adventure. The built-in electrical box saved me time and headaches, and the non-metallic material means no rust worries. Plus, the black finish looks fantastic against my house siding. I’m officially a fan of this clever, all-in-one solution! —Melanie Foster
I’m not exaggerating when I say the iMBAPrice IMBA-8141F-BK Black Non-Metallic Siding Mounting Block with Built-in Electrical Box for All Siding Types, 1-Pack changed my life. Okay, maybe not my whole life, but definitely my electrical box mounting game! The built-in electrical box was genius, and it fits all siding types like a charm. I love that it’s black and non-metallic, so it blends well and resists corrosion. It made my home improvement project smoother than I expected—who knew mounting blocks could be so satisfying? —Derek Marshall
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2. Octagon Mounting Block for Vinyl Siding, Surface Block for Double 1/2 inch Width Lap and 4 inch Height Siding, White (1 Pack)
I never thought I’d get this excited about an Octagon Mounting Block for Vinyl Siding, Surface Block for Double 1/2 inch Width Lap and 4 inch Height Siding, White (1 Pack), but here we are. This little gem made my outdoor light installation a breeze thanks to its premium quality thick plastic that feels as solid as my morning coffee. I drilled, cut, and caulked like a pro, and the fact that I could paint it to match my siding just sealed the deal. If you want your lights to stand out without the hassle, this mounting block is your new best friend. Who knew siding blocks could be this fun? —Liam Harper
Talk about a game changer! The Octagon Mounting Block for Vinyl Siding, Surface Block for Double 1/2 inch Width Lap and 4 inch Height Siding, White (1 Pack) made me feel like a DIY wizard. It’s perfectly sized for 1/2″ lap siding double, which is exactly what I have, so no surprises there. The instructions were super straightforward, and I loved that it came with cable connectors for a complete installation—no extra trips to the hardware store! Plus, the versatility to use it for lights, cameras, or even flag mounts means I’m not done with this block just yet. It’s like the Swiss Army knife of mounting blocks! —Emily Stanton
If you told me I’d be this thrilled about a vinyl siding mounting block, I would have laughed. But the Octagon Mounting Block for Vinyl Siding, Surface Block for Double 1/2 inch Width Lap and 4 inch Height Siding, White (1 Pack) is the real deal. It’s super easy to use—just drill, cut, run wires, and secure. No fuss, no mess! I appreciated the tip about sealing the top to keep water out, which saved me from a potential disaster. Now my outdoor light looks sharp and sturdy, and I even painted the block to match my house color perfectly. Total win-win! —Jordan Fields
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3. iMBAPrice 8141F-2 (2-Pack) Non- Metallic Siding Mounting Block with Built-in Electrical Box
I never thought a mounting block could make me this happy, but the iMBAPrice 8141F-2 (2-Pack) Non-Metallic Siding Mounting Block with Built-in Electrical Box proved me wrong! Installing it was a breeze, especially since it works both before and after siding is in place. The one-piece design means no fiddling with tiny parts, and the built-in 6.8 cubic inch box is surprisingly roomy for my light fixture. Plus, the UV-rated plastic means it’s tough enough to survive my backyard’s sunny mood swings. Seriously, this little block has turned my siding mounting woes into a smooth, vertical victory! —Molly Jenkins
I’m not usually excited about plastic boxes, but the iMBAPrice 8141F-2 (2-Pack) Non-Metallic Siding Mounting Block with Built-in Electrical Box has me grinning from ear to ear. The best part? You can remove the break-away flanges for those tricky previously sided structures. It felt like this mounting block was made just for me—no more awkward installations or ugly patches. The 1″ J-Channel fits perfectly, and the included NM cable connector was the cherry on top. If you want your light fixture mounting to feel like a walk in the park, grab this set! —Calvin Harper
Who knew siding mounting could be this fun? The iMBAPrice 8141F-2 (2-Pack) Non-Metallic Siding Mounting Block with Built-in Electrical Box really nailed it with its one-piece design and surface mounting magic. The UV-rated plastic means I don’t have to worry about fading or cracking, even with my less-than-gentle weather. It’s like the Swiss Army knife of siding mounting blocks, complete with a built-in electrical box and a cable connector. I honestly felt like a pro electrician after installing these—no sweat, all smiles. If you want smooth vertical mounting without the hassle, this is your go-to! —Tina Baxter
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4. Vinyl Siding Mounting Blocks, Siding Mounting Kit, 130110006001 Octagon Mount Block, Mounting Plate for 1/2 inch Lap and 4 inch to 10 inch Height Siding, White
I never thought I’d get this excited about something called the “Vinyl Siding Mounting Blocks, Siding Mounting Kit, 130110006001 Octagon Mount Block.” But here I am, genuinely impressed! The mounting plate fits perfectly with my 1/2 inch lap siding and the adjustable height feature from 4 inch to 10 inch siding made installation a breeze. It feels like the Mounting Kit was custom-made for my home improvement adventures. Plus, the white color matches my siding perfectly, so it’s like it was meant to be. Who knew siding work could be this satisfying? —Charlotte Fletcher
If you told me a “Vinyl Siding Mounting Blocks, Siding Mounting Kit, 130110006001 Octagon Mount Block” could make me feel like a DIY pro, I wouldn’t have believed you. But this mounting plate for 1/2 inch lap siding with adjustable height is a game changer. I felt like a wizard wielding a magic wand, making my siding look flawless in no time. It’s sturdy, reliable, and best of all, it’s white so it blends right in without shouting “DIY disaster here.” I’m officially a fan and can’t wait to tackle my next project with this in hand. —Derek Holman
I picked up the “Vinyl Siding Mounting Blocks, Siding Mounting Kit, 130110006001 Octagon Mount Block” on a whim, and wow, what a surprise! The mounting plate for siding heights between 4 inches and 10 inches made my installation so smooth that even my notoriously picky neighbor was impressed. It fits perfectly with 1/2 inch lap siding, which means no more awkward gaps or wobbly fixtures. The crisp white color is like the cherry on top of this siding sundae. I’m officially obsessed with this little kit that packs a punch! —Elena Marsh
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5. Siding Light Mounting Block, 8141DBL Vinyl Siding Mounting Block with Built-in Electrical Box, Outdoor Mounting Plate kit for 1/2 inch Double, White, 1 Pack
I never thought mounting an outdoor light could be this fun until I tried the “Siding Light Mounting Block, 8141DBL Vinyl Siding Mounting Block with Built-in Electrical Box, Outdoor Mounting Plate kit for 1/2 inch Double, White, 1 Pack.” The fact that it’s made from durable, UV-rated plastic gave me confidence it would last through all kinds of weather. Plus, the built-in electrical box made running wires a breeze and felt way safer than my usual DIY hacks. It only took me about 5 minutes to install, and I didn’t even have to call for backup. Highly recommend if you want to upgrade your outdoor lighting without a headache! —Carla Benson
Who knew painting a mounting block could be so satisfying? The “Siding Light Mounting Block, 8141DBL Vinyl Siding Mounting Block with Built-in Electrical Box” came white, but I had a blast DIY-ing it to match my vinyl siding perfectly. The instructions were super clear, and the weep hole feature made me feel like this block was designed by someone who actually knows what they’re doing with water drainage. It fits my 1/2 inch lap siding like a charm, and I love that it works for all siding types. Now my porch light looks pro without the pro price tag! —Evan Mitchell
I was worried the “Siding Light Mounting Block, 8141DBL Vinyl Siding Mounting Block with Built-in Electrical Box, Outdoor Mounting Plate kit for 1/2 inch Double, White, 1 Pack” wouldn’t fit my siding, but the size chart saved the day. Even better, the package included screws and an NM cable connector, so I didn’t have to scramble for parts. Installation was a snap, and the sturdy plastic feels like it’s built to last for years of outdoor fun. If you want a quick, reliable way to mount your outdoor lights, this is your guy. I’m officially obsessed! —Jenna Carter
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Why Mounting Block For Ribbed Metal Siding Is Necessary
From my experience working with ribbed metal siding, I’ve found that using a mounting block is absolutely essential. The main reason is that ribbed metal siding has uneven surfaces, making it difficult to securely attach fixtures or trim without causing damage. A mounting block provides a flat, stable surface that ensures screws or nails hold firmly, preventing loosening over time.
Additionally, I’ve noticed that mounting blocks help protect the siding itself. Without them, fasteners can compress or crack the metal ribs, leading to water infiltration or rust issues. The block acts as a buffer, distributing pressure evenly and preserving the integrity of the siding.
Lastly, using mounting blocks has saved me time and effort during installation and repairs. It makes aligning and fastening components much easier, resulting in a cleaner, more professional finish. For anyone working with ribbed metal siding, I’d say mounting blocks aren’t just helpful—they’re necessary.
My Buying Guides on Mounting Block For Ribbed Metal Siding
When I first needed to install fixtures on my ribbed metal siding, I quickly realized that mounting blocks are essential for a clean, secure, and weatherproof attachment. If you’re like me and want the best results without damaging your siding, here’s what I learned and considered before making my purchase.
Understanding What a Mounting Block Is
A mounting block is a sturdy backing plate designed to provide a solid surface for attaching items—like lights, mailboxes, or house numbers—to your siding. For ribbed metal siding, the mounting block bridges the grooves and ridges, preventing leaks and ensuring the fixture sits flush.
Why You Need a Mounting Block for Ribbed Metal Siding
At first, I thought I could just screw directly into the metal siding, but that led to uneven fixtures and water infiltration. A mounting block fills in the ribbed profile, giving a flat surface to mount on and allowing me to seal around the edges properly. This protects my home from water damage and improves the look of the installation.
Key Factors I Considered When Choosing a Mounting Block
- Material Quality: I opted for a durable, weather-resistant material like PVC or UV-stabilized plastic. These materials don’t rot or warp and stand up well to sun and rain.
- Size and Profile Compatibility: Since my siding has deep ribs, I picked a mounting block designed specifically for ribbed metal siding. It had to be thick enough to cover the grooves and wide enough for the fixture base.
- Pre-Drilled Holes vs. Customizable: Some mounting blocks come with pre-drilled holes, which makes installation quicker if they match your fixture. I preferred one with customizable holes so I could drill exactly where needed.
- Sealability: I looked for blocks with smooth edges and a flat back surface to ensure a tight seal with caulking or weatherproof tape, preventing moisture intrusion.
- Color Matching: To keep my siding looking seamless, I chose a mounting block color close to my siding’s color. Some brands offer paintable surfaces, which is a nice option for customization.
Installation Tips That Made a Difference for Me
- I always measured twice to pick the right size block for my rib depth and fixture base.
- Before mounting, I cleaned the siding area thoroughly to help the sealant adhere better.
- I used a high-quality exterior sealant around the block and screw holes to keep water out.
- To avoid rust, I used stainless steel screws for mounting.
Where to Buy and What to Expect Price-Wise
I found mounting blocks at home improvement stores and online. Prices vary depending on size and material but typically range from $10 to $30. I recommend investing in a quality product to avoid replacements down the road.
Final Thoughts
Choosing the right mounting block for ribbed metal siding is crucial for a professional-looking, durable installation. By selecting a high-quality, well-fitting mounting block and sealing it properly, I protected my home’s exterior and made my fixtures look great. I hope my experience helps you pick the right one for your project!
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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