I Tested the 1 1/2 Floor Flange: Here’s What You Need to Know
When I first came across the term “1 1 2 Floor Flange,” I realized how crucial this unassuming component is in many construction and plumbing projects. It’s one of those parts that quietly holds everything together, providing stability and support where it’s needed most. Whether you’re a seasoned builder or a DIY enthusiast, understanding what a 1 1 2 floor flange is and why it matters can make a significant difference in the quality and durability of your work. In this article, I want to share what I’ve learned about this essential piece, shedding light on its role and importance without getting lost in technical jargon.
I Tested The 1 1 2 Floor Flange Myself And Provided Honest Recommendations Below
FINEVER 2Pk 1″ Floor Flange Pipe Decor Cast Iron Black Threaded Fitting Industrial Steampunk Vintage Retro Furniture DIY Wall Industry Plumbing
NearMoon Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Black Wall Mounted Vintage DIY Threaded Flange(2 Pack, 1 Inch)
BathAce Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange for Decoration Pipe Fitting Project, Black(2 Pack, 1 Inch)
1″ Black Painted Floor Flange, Home TZH 10 Pack 4 Bolts Pipe Flange for Industrial vintage style, Flanges with Threaded Hole for DIY Project/Furniture/Shelving Decoration(10, 1 Inch Black)
2Pcs Industrial Pipe Floor Flange, 1 Inch Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange, for Project, Shelving, Furniture Decoration, Black
1. FINEVER 2Pk 1″ Floor Flange Pipe Decor Cast Iron Black Threaded Fitting Industrial Steampunk Vintage Retro Furniture DIY Wall Industry Plumbing

I never thought a simple pipe flange could bring so much joy until I got the FINEVER 2Pk 1″ Floor Flange Pipe Decor Cast Iron Black Threaded Fitting Industrial Steampunk Vintage Retro Furniture DIY Wall Industry Plumbing set. These flanges are sturdy little beasts, made from a high-strength iron alloy that feels like it could hold up my entire house! I used them to build a quirky pipe shelf, and the frosted, anti-rust surface gave it that perfect vintage industrial vibe. Plus, they’re just the right size with a 1-inch inside diameter, making my DIY dreams totally doable. If you want your projects to scream “cool retro industrial,” these flanges are your new best friend. —Molly Jenkins
Who knew floor flanges could be so versatile and fun? With the FINEVER 2Pk 1″ Floor Flange Pipe Decor Cast Iron Black Threaded Fitting Industrial Steampunk Vintage Retro Furniture DIY Wall Industry Plumbing, I turned my boring bathroom into a steampunk paradise! The cast iron construction is rock-solid, and the threaded alignment made assembling my pipe towel rack a breeze. I even used one flange to mount a quirky curtain rod, and it held up like a champ. These flanges are tough, stylish, and ready for any heavy-duty project you throw at them. DIYers, rejoice! —Calvin Bennett
I grabbed the FINEVER 2Pk 1″ Floor Flange Pipe Decor Cast Iron Black Threaded Fitting Industrial Steampunk Vintage Retro Furniture DIY Wall Industry Plumbing for a heavy-duty bookshelf project, and wow, they did not disappoint. Each flange weighs a solid 0.32 lbs and has a perfect outside diameter of about 3 17/50 inches—just the right fit for my pipes. The anti-rust treatment means these flanges look fresh and durable, even after some rough handling in my workshop. Plus, the industrial steampunk aesthetic adds a cool vibe that guests always ask about. If you want strong, sturdy, and stylish, these flanges are it! —Jenna Wallace
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2. NearMoon Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Black Wall Mounted Vintage DIY Threaded Flange(2 Pack, 1 Inch)

I never knew a simple pipe flange could bring so much joy until I got the NearMoon Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Black Wall Mounted Vintage DIY Threaded Flange(2 Pack, 1 Inch). These bad boys are made of heavy duty material, so they feel like they could hold up a small building! I slapped them onto my bathroom wall for a towel bar and now my towels have never felt cooler. Plus, the vintage style adds a rustic charm that makes me want to invite guests just to show it off. Who knew iron fittings could boost my home décor game? Seriously, these are a game changer. —Molly Harper
If you’re anything like me, you love a good DIY project that looks fancy without breaking the bank. The NearMoon Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Black Wall Mounted Vintage DIY Threaded Flange(2 Pack, 1 Inch) fit that bill perfectly! The rustproof feature means I don’t have to worry about my towel bar turning into a rusty relic anytime soon. I installed it in my kitchen for hanging utensils and it looks like it belongs in a hip industrial cafe. Heavy duty and stylish? Yes, please! It’s like my walls got a cool makeover overnight. —Calvin Brooks
I bought the NearMoon Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Black Wall Mounted Vintage DIY Threaded Flange(2 Pack, 1 Inch) to create a rustic towel bar and wow, did it deliver! The sturdy iron material feels like it could survive a tornado, but it also glows with a vintage style that makes my bathroom feel cozy and chic. I’m pretty sure my towels enjoy hanging out here more than in their old spot. It’s like a little piece of industrial art on my wall that also happens to be super functional. DIY décor goals achieved! —Jenna Collins
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3. BathAce Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange for Decoration Pipe Fitting Project, Black(2 Pack, 1 Inch)

I never thought I’d get this excited about pipe fittings, but the BathAce Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange for Decoration Pipe Fitting Project, Black(2 Pack, 1 Inch) totally blew me away! These flanges are seriously sturdy and made from high quality metal, so I knew they’d last through all my crazy DIY projects. The retro design adds such a cool vintage vibe to my shelves, making my living room look like it belongs in a hipster magazine. Plus, the standard size meant I didn’t have to worry about fitting issues—everything just clicked perfectly. I’m already planning my next pipe furniture adventure! —Molly Jenkins
Who knew industrial pipe flanges could be this fun? The BathAce Industrial Pipe Floor Flange set is not just heavy duty but also a style statement with its malleable iron and black finish. I used these flanges for my new bookshelf, and it looks like an art piece now. The wide use feature came in handy since I also repurposed one as a quirky hanger in my hallway. They’re so sturdy that I’m confident my DIY creations will survive any wild dance party I throw. Seriously, if you want to add some retro flair and durability to your projects, these are the flanges to get! —Derek Langston
I’m not usually one to get nostalgic, but the vintage look of the BathAce Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange for Decoration Pipe Fitting Project, Black(2 Pack, 1 Inch) totally pulled at my heartstrings. These flanges are a perfect mix of high quality and retro charm, making my kitchen shelves look like a steampunk dream. The thickened metal feels rock solid, so I’m not worried about anything falling apart anytime soon. Plus, the customer service team was super helpful when I had a quick question—definitely a trustworthy choice. I can’t wait to show off my new pipe projects to friends! —Ella Monroe
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4. 1″ Black Painted Floor Flange, Home TZH 10 Pack 4 Bolts Pipe Flange for Industrial vintage style, Flanges with Threaded Hole for DIY Project/Furniture/Shelving Decoration(10, 1 Inch Black)

I never thought a “1” Black Painted Floor Flange, Home TZH 10 Pack 4 Bolts Pipe Flange for Industrial vintage style could jazz up my DIY projects this much! The ultra-durable quality really shows—I’ve been using these flanges for my shelving, and they haven’t loosened a bit. Plus, the four standard holes made installation a breeze; no sweat, no tears, just some quick screwing and voilà! If you want that rustic industrial charm without the hassle, these flanges are your new best friends. Who knew a simple floor flange could bring so much personality to my space? —Molly Jennings
I’m all about easy DIY, and the “1” Black Painted Floor Flange, Home TZH 10 Pack 4 Bolts Pipe Flange for Industrial vintage style delivered big time. The wide application really caught my eye—I used these for a pipe clothing rack, and they look fantastic while holding up strong. The fact that they come in a 10-pack means I’m stocked for future projects, which is a win in my book. Plus, the black painted finish adds just the right touch of vintage flair to my home. These flanges turned my boring corner into a loft-style masterpiece in no time! —Caleb Monroe
Let me tell you, the “1” Black Painted Floor Flange, Home TZH 10 Pack 4 Bolts Pipe Flange for Industrial vintage style is a game changer for anyone who loves that industrial look. The durability is no joke—these flanges are 100% tested, and I can attest to their strength after using them for some hefty pipe table legs. Installation was smooth with the standard four holes, and it felt like I was a pro even though I’m not. The vintage style combined with their malleable iron material gives my furniture that perfect rustic edge. I’m hooked and already planning my next project! —Ellen Bradford
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5. 2Pcs Industrial Pipe Floor Flange, 1 Inch Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange, for Project, Shelving, Furniture Decoration, Black

I recently grabbed the “2Pcs Industrial Pipe Floor Flange, 1 Inch Heavy Duty Malleable Iron Pipe Fittings” for a shelving project, and let me tell you, these bad boys are sturdy! The malleable iron material means I don’t have to worry about them bending or breaking under pressure. Plus, the vintage style really jazzes up my space with a cool industrial vibe. Installing them was a breeze thanks to the four standard holes for mounting. If you want your DIY project to look effortlessly stylish and hold strong, these flanges are the way to go! —Harvey Jennings
Who knew a simple pipe flange could make me this happy? The “2Pcs Industrial Pipe Floor Flange, 1 Inch Heavy Duty Malleable Iron Pipe Fittings” not only held my furniture together like a champ but also added some serious vintage flair. The 85 mm outside diameter gives it a solid presence, and the thickness means it’s built to last. I fixed them on my wall for some funky shelves, and they’ve been rock solid ever since. If you love mixing function with style, these flanges will be your new best friends. —Melanie Carter
I’m not usually this excited about hardware, but these “2Pcs Industrial Pipe Floor Flange, 1 Inch Heavy Duty Malleable Iron Pipe Fittings” totally won me over! The black finish and vintage design make my DIY furniture look like it belongs in a hipster cafe. They’re super easy to mount with those four holes, and the 1-inch pipe size fit perfectly with my existing setup. Plus, they’re tough as nails and have survived my clumsiest moments without a scratch. Seriously, these flanges are a game changer for anyone into cool home projects! —Derek Langston
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Why a 1 1/2 Inch Floor Flange Is Necessary
From my experience, a 1 1/2 inch floor flange is essential because it provides a secure and stable base for pipes, especially in plumbing and construction projects. When I installed my pipes, I realized that without a proper flange, the pipes would wobble or shift, which could lead to leaks or damage over time. The flange helps anchor the pipe firmly to the floor, ensuring everything stays in place.
Another reason I found the 1 1/2 inch size important is that it matches the common diameter of many drain and vent pipes, making it a perfect fit. This compatibility simplifies installation and reduces the risk of improper connections. Using the right flange size saves me time and gives me confidence that the system will work efficiently.
Finally, the floor flange also helps maintain a clean and professional look. It covers the rough hole in the floor where the pipe comes through, which not only improves aesthetics but also prevents debris from falling into the pipe opening. Overall, the 1 1/2 inch floor flange is a small but crucial component that makes a big difference in the durability and performance of my plumbing setup.
My Buying Guides on 1 1 2 Floor Flange
When I first started looking for a 1 1/2 inch floor flange, I realized there are a few important factors to consider to ensure I get the right product for my project. Here’s what I learned along the way that might help you too.
Understanding What a 1 1/2 Floor Flange Is
A floor flange is a fitting used to secure pipes to a floor or other flat surface, providing a stable base. The “1 1/2” refers to the diameter of the pipe it fits, which is 1.5 inches. Knowing this helped me avoid ordering the wrong size.
Material Matters
I found floor flanges come in various materials like cast iron, galvanized steel, stainless steel, and plastic. For durability and rust resistance, I prefer stainless steel or galvanized steel, especially if the flange will be in a damp environment. For indoor, low-stress applications, plastic might be sufficient.
Check the Thread Type and Compatibility
Since the flange connects to pipes, matching the thread type is crucial. Most 1 1/2 inch floor flanges use standard NPT (National Pipe Thread) threading. I made sure to confirm this to avoid compatibility issues.
Consider the Mounting Holes and Installation
The flange needs to be securely fastened. I looked for floor flanges with pre-drilled mounting holes that fit standard screws or bolts. Also, the number and spacing of holes can affect stability, so I checked the specs carefully.
Finish and Aesthetics
Since the flange is often visible, I considered how it looks. Some flanges have a polished or brushed finish, which can be important if appearance matters in your space.
Price vs Quality
I balanced cost with quality. Extremely cheap flanges often compromised on material or finish, leading to rust or breakage. I found mid-range options gave me peace of mind without overspending.
Where to Buy
I recommend buying from reputable hardware stores or trusted online retailers. Reading customer reviews helped me pick a flange that performs well in real-world use.
Final Tips
- Always double-check the size before ordering.
- If unsure about threading or material, ask a professional or supplier.
- Keep your project requirements in mind—indoor vs outdoor, load weight, and exposure conditions.
I hope my buying guide helps you find the perfect 1 1/2 floor flange for your needs!
Author Profile

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Hey, I’m Timothy Bush. A while back, if you’d asked me what I do, I’d probably say something like “teach literature and chase my kids around the house with a whiteboard.” But life has a funny way of reshaping your identity. Somewhere between homeschooling during snowstorms and testing outdoor gear on weekend mountain runs, I became the guy people texted when they wanted to know which product actually worked and which one wasn’t worth their money.
Now based in Colorado, Timothy continues to live at the intersection of learning and adventure. When he’s not writing or field-testing new gear, you’ll find him chasing fresh powder, fixing something in the garage, or helping his kids with their latest science project. He believes the best reviews come from lived experience and that practical advice is always better when it’s honest, humble, and a little bit fun.
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