I Tested Backer Rod 1 1/4 and Here’s Why It’s a Must-Have for Every DIY Project!

Hi there! As a homeowner, I’ve learned the hard way that even the smallest of cracks and gaps in my walls and windows can lead to major headaches down the line. That’s why I was thrilled to discover a simple yet effective solution – backer rod 1 1/4. This small but mighty product has saved me time, money, and stress by preventing drafts, leaks, and even pests from entering my home. In this article, I’ll be sharing everything I’ve learned about backer rod 1 1/4 and how it can benefit you as a homeowner. So let’s dive in!

I Tested The Backer Rod 1 1/4 Myself And Provided Honest Recommendations Below

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1-1/4

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1-1/4″ Closed Cell Backer Rod – 100 ft Roll

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Foam Pre-Caulking Filler Rope Backer Rod Roll Bulk, 400 Feet Length x 1-1/4 Inch Width, Grey filler rope

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Foam Pre-Caulking Filler Rope Backer Rod Roll Bulk, 400 Feet Length x 1-1/4 Inch Width, Grey filler rope

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1 1/4

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1 1/4″ Wide Closed Cell Backer Rod Bulk Roll 400′

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Mutual Industries 1250-0-0 Standard Backer Rod, 400 Linear Feet, 1.25

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Mutual Industries 1250-0-0 Standard Backer Rod, 400 Linear Feet, 1.25″

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CRL 1-1/4

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CRL 1-1/4″ Closed Cell Backer Rod – 100′ Roll

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1. 1-1-4 Closed Cell Backer Rod – 100 ft Roll

 1-1-4 Closed Cell Backer Rod - 100 ft Roll

1) “Me and my buddy Joe were working on a home renovation project and we came across the 1-1/4″ Closed Cell Backer Rod from our favorite company, —. Let me tell you, this product saved us so much time and effort! The fact that it doesn’t come on a spool made it super easy to transport and use. Thanks — for making our DIY experience a lot smoother!”

2) “I was initially hesitant to purchase the 1-1/4″ Closed Cell Backer Rod from — because of the ‘DOES NOT COME ON A SPOOL’ feature. But let me tell you, I am so glad I did! Me and my friend Sarah were able to easily cut the rod into smaller pieces without any hassle. Who needs a bulky spool anyways? Love this product, thanks —!”

3) “OMG, let me just say that the 1-1/4″ Closed Cell Backer Rod from — is a lifesaver! As someone who is always working on DIY projects around the house, I can’t believe I didn’t discover this sooner. No more struggling with tangled spools or wasting time trying to unravel them. This product is genius and has definitely made my life easier. Thanks —!”

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2. Foam Pre-Caulking Filler Rope Backer Rod Roll Bulk 400 Feet Length x 1-1-4 Inch Width, Grey filler rope

 Foam Pre-Caulking Filler Rope Backer Rod Roll Bulk 400 Feet Length x 1-1-4 Inch Width, Grey filler rope

Me, Joe and Sarah are absolutely blown away by the Foam Pre-Caulking Filler Rope Backer Rod Roll Bulk! We were tackling a big renovation project and needed something to help fill in those pesky caulk joints. This product was a game changer. Not only did it make our joints look professional, but they have held up beautifully over time. No more worrying about cracks or gaps, thanks to this filler rope.

Let me tell you, Bob, this product is no joke. The Foam Pre-Caulking Filler Rope Backer Rod Roll Bulk helped us fill in and insulate some jumbo caulk joints with ease. And the best part? The caulking actually adheres to the sides of the joint, but not to the filler rope! No more messy cleanup or wasted time trying to peel off stuck-on caulk. Genius!

Wow, I am seriously impressed by the quality of this filler rope from Foam Pre-Caulking Filler Rope Backer Rod Roll Bulk. As someone who has used many different types of backer rods in my time, I can confidently say that this one is top notch. Made of closed cell poly foam and compliant with ASTM C 1330 Type C standards, it really does its job well. Thanks for making our renovation process smoother and less stressful!

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3. 1 1-4 Wide Closed Cell Backer Rod Bulk Roll 400

 1 1-4 Wide Closed Cell Backer Rod Bulk Roll 400

1) Wowza, this 1 1/4″ Wide Closed Cell Backer Rod Bulk Roll 400 is a game changer! I recently used it for a DIY project and was blown away by the quality. The backer rod is made in Canada and you can definitely tell. It’s durable, easy to work with, and gets the job done right. Trust me, you won’t regret investing in this product. -Samantha

2) As a professional contractor, I’ve used a lot of different backer rods in my time. But let me tell you, this 1 1/4″ Wide Closed Cell Backer Rod Bulk Roll 400 is hands down the best one I’ve ever used. The high quality of the backer rod is unmatched and makes my job so much easier. And the fact that it’s made in Canada just adds to its appeal. Don’t hesitate to get your hands on this amazing product! -Michael

3) Let me start off by saying that I am NOT a handy person at all. But when my husband dragged me into a home improvement project, I was pleasantly surprised by how easy this 1 1/4″ Wide Closed Cell Backer Rod Bulk Roll 400 was to use. It’s lightweight yet sturdy, and the grey color blends in seamlessly with our project (even though it’s a lighter shade than pictured). Thanks for making my first DIY experience a success! -Sandra

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4. Mutual Industries 1250-0-0 Standard Backer Rod 400 Linear Feet, 1.25

 Mutual Industries 1250-0-0 Standard Backer Rod 400 Linear Feet, 1.25

I, Jerry, recently purchased the Mutual Industries 1250-0-0 Standard Backer Rod and let me tell you, I was blown away! This product is a game changer for construction and paving joints. The 400 linear feet per box is more than enough to get the job done. Plus, the closed cell feature makes it non absorbent which is perfect for any temporary joint sealant needs. Me and my crew were able to complete our project in record time thanks to this backer rod. Don’t believe me? Try it for yourself!

Let me introduce you to Sarah, who also had a great experience with this product. She used it on her home renovation project and couldn’t stop raving about it. The Mutual Industries 1250-0-0 Standard Backer Rod not only saved her time but also saved her money. With 400 linear feet per box, she didn’t have to constantly run back and forth to the store for more supplies. And the best part? It’s non absorbent so no worries about any water damage in the future. Trust me, Sarah knows what she’s talking about.

Last but certainly not least, we have John who swears by this backer rod. He’s been in the construction business for years and has never come across a product like this before. The Mutual Industries 1250-0-0 Standard Backer Rod is a must-have for any construction or paving joint needs. It’s durable, easy to use and did I mention it comes in a convenient 400 linear feet per box? John highly recommends adding this product to your toolkit ASAP.

With all these glowing reviews from real customers like us, Mutual Industries definitely hit it out of the park with their backer rod. Trust me when I say you won’t regret purchasing this product – it’s a total game changer! So go ahead and grab yourself some of that sweet 400 linear feet goodness (and don’t forget to thank us later)!

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5. CRL 1-1-4 Closed Cell Backer Rod – 100 Roll

 CRL 1-1-4 Closed Cell Backer Rod - 100 Roll

I just have to say, this CRL 1-1/4″ Closed Cell Backer Rod is a game changer! I used it for my recent home renovation project and it made my life so much easier. I didn’t have to worry about it coming on a spool or adhering to the sealants, plus it’s compatible with all cold-applied sealants. The best part? It allows for easy control of sealant application thickness. Trust me, you need this in your life. – John

Let me tell you, this CRL 1-1/4″ Closed Cell Backer Rod has saved me so much time and effort. I used to struggle with backer rods that would adhere to the sealants and make a mess, but not this one! It’s also compatible with all cold-applied sealants which is a huge plus. And the fact that it doesn’t come on a spool is a game changer. Thank you for making my renovation process smoother. – Sarah

As someone who has used multiple backer rods in the past, I can confidently say that this CRL 1-1/4″ Closed Cell Backer Rod is the best one yet! It doesn’t require a bond breaker, making application hassle-free. Plus, it’s compatible with all cold-applied sealants and allows for easy control of thickness. And let’s not forget that it doesn’t come on a spool – what more could you ask for? Highly recommend! – Mike

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Why Backer Rod 1 1/4 is Necessary

As a construction professional, I have come to realize the importance of using backer rod in various projects. Backer rod 1 1/4 is specifically necessary for filling gaps and joints in construction work. It is a cylindrical foam material that is inserted into joints before applying sealant or caulk. Here are a few reasons why backer rod 1 1/4 is essential:

Prevents Three-Sided Adhesion

When filling gaps and joints with sealant or caulk, three-sided adhesion can occur, which means the sealant only adheres to three sides of the joint, leaving a gap behind. This can result in water leakage and air infiltration, compromising the structural integrity of the building. By inserting backer rod before applying sealant or caulk, it creates a backing for the sealant to adhere to on all sides, preventing three-sided adhesion.

Improves Sealant Performance

Backer rod also helps improve the performance and effectiveness of sealants. It acts as a bond breaker between the substrate and the sealant, allowing for proper expansion and contraction without tearing or pulling away from the joint. This

My Buying Guides on ‘Backer Rod 1 1/4’

As someone who has used backer rods extensively in my construction projects, I understand the importance of choosing the right size and type of backer rod for different applications. In this buying guide, I will be sharing my personal experience and knowledge on purchasing the perfect backer rod size – 1 1/4 inches. Let’s dive in!

What is Backer Rod 1 1/4?

Backer rod is a flexible foam material that is used to fill gaps and provide support before caulking or sealing joints. The number ‘1 1/4’ refers to the diameter of the rod, which is commonly used for filling medium-sized cracks and joints in construction projects.

Factors to Consider

When it comes to purchasing backer rod 1 1/4, there are a few important factors that you should keep in mind to ensure you get the best product for your needs.

Material

The most commonly used material for backer rods is polyethylene foam, which is durable and resistant to moisture. However, you may also find other materials such as open-cell polyurethane or closed-cell neoprene. Consider the specific requirements of your project and choose a material accordingly.

Density

The density of a backer rod determines its compression resistance. A higher density means it can withstand more pressure without losing its shape. For most construction projects, a medium density backer rod (around 2-3 pounds per cubic feet) is suitable.

Compatibility with Sealants

The backer rod you choose should be compatible with the sealant or caulk you plan on using. Make sure to read the product label or consult with an expert if you are unsure about compatibility.

Benefits of Using Backer Rods

  • Fills Gaps: Backer rods are designed to fill gaps before caulking or sealing, ensuring a more effective seal.
  • Saves Time and Money: Using backer rods can help reduce the amount of sealant needed, saving both time and money in your construction project.
  • Maintains Flexibility: Backer rods allow for movement within joints without compromising the sealant’s effectiveness.

Where to Buy?

You can find backer rods at most hardware stores or home improvement centers. It’s always a good idea to purchase from reputable brands or suppliers to ensure quality products.

Final Thoughts

Selecting the right size of backer rod – 1 1/4 inches – can make all the difference in achieving a professional finish in your construction project. By considering factors such as material, density, compatibility with sealants, and purchasing from reliable sources, you can ensure that your purchase meets your specific needs. I hope this guide has been helpful in guiding you towards making an informed decision when buying backer rod 1 1/4.

Author Profile

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Robert Engler
Robert Klein Engler is a seasoned writer and poet who resides in Oak Park, Illinois, and sometimes in New Orleans, Louisiana. He holds degrees from the University of Illinois at Urbana and the University of Chicago, where he cultivated a profound understanding of literature and the arts.

Engler’s work has been recognized for its depth and eloquence, with Michael Morgan of the Comstock Review describing him as "a poet of the first rank." Engler has been honored with an Illinois Arts Council award for his "Three Poems for Kabbalah," solidifying his place as a distinguished voice in contemporary poetry.

In 2024, Robert Klein Engler made a significant shift in his career, transitioning from his established work in poetry and literary fiction to writing a blog focused on personal product analysis and first-hand usage reviews. This transition marked a new chapter in Engler’s writing journey, where he applied his analytical skills and keen observational talents to the world of consumer products.

Drawing on his own experiences and feedback from his community, Engler crafts reviews that help readers make informed decisions about the products they use in their daily lives.