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1/4 Closed Cell Backer Rod - 100 ft Roll
CRL Closed Cell Backer Rod is a round, flexible, closed cell polyethylene foam with an exterior skin used as a backing and thickness control device for elastomeric and other cold-applied sealants.
1/4" Closed Cell Backer Rod - 100 ft Roll

Item #: 42366587

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

Item #: 42366587

LKR 7689

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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CRL Closed Cell Backer Rod is a round, flexible, closed cell polyethylene foam with an exterior skin used as a backing and thickness control device for elastomeric and other cold-applied sealants.
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What Stands Out

Durable Foam Material
Constructed from high-quality closed-cell foam, this backer rod resists water absorption, ensuring longevity and reliability in various climate conditions for sealing applications.
Easy Installation
Designed for effortless insertion, this backer rod simplifies the sealant application process, saving time and reducing labor costs for contractors and DIY enthusiasts alike.
Effective Compression
With excellent compressibility, this backer rod adapts to joint movements, providing superior support for sealants and enhancing the quality of repairs in both indoor and outdoor projects.

Product Details

Shop the best selection of 14 closed cell backer rod - 100 ft roll online at Ubuy Sri Lanka. Fast shipping and competitive prices. Get yours now!
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • DIY Homeowners

    Ideal for homeowners sealing cracks and gaps in driveways, windows, and doors for insulation and waterproofing.

  • Professional Contractors

    Excellent choice for contractors needing a reliable filler for expansion joints and caulking applications in construction.

  • Weatherproofing Experts

    Suitable for those focused on energy efficiency, helping to block air and moisture without compressing under pressure.

Not Suitable For
  • Outdoor Use

    Not suitable for prolonged outdoor exposure as UV rays may degrade the material over time.

  • Heavy Load Areas

    Not ideal for high-traffic or heavy-weight applications where compression and deformation may occur.

  • Non-Standard Sizes

    Users requiring specialized sizes will find limited options, as backer rods come in standard diameters only.

Product Description

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

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a closed cell backer rod used for?

    Answer: A closed cell backer rod is primarily used as a filler material in joints and cracks prior to sealing. It creates a supportive backing for sealants and caulks, ensuring that they adhere properly and form a robust seal. It is particularly effective in concrete and masonry applications by preventing three-point adhesion, which can enhance the longevity of the seal. For example, when sealing expansion joints in driveways, using a closed cell backer rod allows for proper movement while maintaining a moisture barrier.
  • Question: How do I determine the size of backer rod I need?

    Answer: Choosing the right size backer rod involves measuring the width and depth of the joint or crack you plan to fill. The rod should fit snugly within the space, typically being about 25% larger than the gap's width. This ensures proper compression and sealing without excess material protruding. For instance, if your joint width is 1/2 inch, a backer rod with a diameter of 5/8 inch is ideal. This size distinction is crucial for maintaining the integrity of your sealing system.
  • Question: Can closed cell backer rod be reused?

    Answer: Closed cell backer rod is generally designed for one-time use due to its compressive nature and the introduction of moisture or sealants. Once it has been sealed and not removed, it may lose its effectiveness in providing the same support if reused. However, if the rod remains clean and free from any contaminants post-application, it could theoretically be effective again. It's best suited for situations where you are filling gaps that may require periodic checks or adjustments for sealants.
  • Question: Is closed cell backer rod resistant to water?

    Answer: Yes, closed cell backer rod is engineered to be moisture-resistant, making it suitable for damp environments. Its closed cell structure prevents water penetration while maintaining flexibility and stability. This feature is particularly beneficial in areas exposed to rain or water, such as in exterior applications or bathrooms. Utilizing a closed cell backer rod in these settings ensures a long-lasting seal that helps prevent water damage and deterioration.
  • Question: What materials are closed cell backer rods made from?

    Answer: Closed cell backer rods are typically made from materials like polyethylene or neoprene, both of which offer excellent resistance to moisture and temperature fluctuations. The closed cell structure allows these rods to maintain their shape and compressibility under varying pressure conditions. This makes them ideal for use in diverse applications, including construction projects and home repairs, where sealing flexibility and durability are required.
  • Question: Can I use closed cell backer rods in exterior applications?

    Answer: Absolutely! Closed cell backer rods are ideal for exterior applications, particularly in areas with exposure to weather. Their moisture resistance and durability make them suitable for use in expansion joints, pavement repair, and even around windows in homes and buildings. By using these rods outdoors, you help ensure that sealants adhere properly and mitigate potential leaks, ensuring a safer and more weather-resistant installation.
  • Question: How do I install a closed cell backer rod?

    Answer: Installing a closed cell backer rod involves a few simple steps. First, clean the joint or crack thoroughly to remove debris. Measure the depth and width to select the appropriate size rod. Then, press the rod into the joint using a blunt object or your fingers, ensuring it sits about 1/4 inch below the surface. This allows sealant to cover it fully, ensuring optimal adhesion. For example, when prepping a driveway for sealing, properly installing the backer rod will directly impact the effectiveness of the sealant.
  • Question: What are the benefits of using a closed cell backer rod over other types?

    Answer: Closed cell backer rods offer distinct advantages compared to open cell types, primarily due to their moisture resistance and durability. Unlike open cell rods, closed cell versions prevent water infiltration, making them better suited for outdoor applications. Furthermore, they compress effectively, which helps with movement in outdoor scenarios, like driveways or sidewalks, where temperature fluctuations can cause expansion and contraction. Utilizing a closed cell backer rod greatly enhances the longevity and reliability of sealants.
  • Question: What sealants can I use with closed cell backer rods?

    Answer: You can use a variety of sealants with closed cell backer rods, including polyurethane, silicone, and latex-based caulks. These sealants bond well with backer rods, especially when the rod is set at the proper depth, allowing for optimal sealing performance. For example, in outdoor concrete applications, a polyurethane sealant paired with a closed cell backer rod can create a strong, flexible barrier against weather conditions, ensuring lasting performance.
  • Question: Where can I buy 14 Closed Cell Backer Rod - 100 ft Roll?

    Answer: You can buy the 14 Closed Cell Backer Rod - 100 ft Roll from Ubuy. They offer a variety of products, including this essential construction material, with convenient shopping options. Ubuy is recognized for its extensive inventory, allowing you to find what you need efficiently. By shopping at Ubuy, you're likely to find competitive options to suit your specific project needs.

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