Reflectix
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Foam Expansion Joint, Black, 4-In. x 50-Ft., .5-In. Thick
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Foam Expansion Joint, Black, 4-In. x 50-Ft., .5-In. Thick
Durable lightweight closed-cell foam expansion joint
Foam Expansion Joint, Black, 4-In. x 50-Ft., .5-In. Thick
Item #: 56470753

Foam Expansion Joint, Black, 4-In. x 50-Ft., .5-In. Thick

Item #: 56470753

MWK 179896

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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Order now and get it around Friday, July 10
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Durable lightweight closed-cell foam expansion joint
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Insulation
Designed to provide superior thermal insulation, this expansion joint roll minimizes heat loss, ensuring energy efficiency and enhanced comfort in various environments, making it ideal for building and construction applications.
Durable Material
Crafted from robust reflective materials, it resists moisture and decay, ensuring long-lasting performance. This durability stands out against competitors, offering reliability for contractors and DIY enthusiasts alike.
Easy Installation
The lightweight and flexible design allows for straightforward handling and quick installation. Users can save time and labor costs while achieving a professional finish in both residential and commercial projects.

Product Details

Get the best deals on Foam Expansion Joint Black 4-In. x 50-Ft.. Durable, lightweight, and easy to use. Perfect for straight joints and contours. Buy Now at Ubuy Malawi
  • 4 x 50' foam expansion joint, .5-In. thick
  • Durable lightweight closed-cell foam material
  • Stiff enough for use on straight joints
  • Flexible enough to shape to contours
  • Perforated for decorative finished edges
  • Manufacturer number: EXP04050, SKU #: 5439062
Item Weight6 lbs (2.72 kg)

Who Should Buy?

Suitable For
  • Home Insulators

    Ideal for homeowners seeking energy efficiency by minimizing heat loss or gain in their homes.

  • Construction Workers

    Perfect for professionals needing durable, reflective materials for expansion joints in commercial and residential projects.

  • DIY Enthusiasts

    Great for hobbyists and DIY workers tackling insulation and reflective barrier projects in their personal spaces.

Not Suitable For
  • Outdoor Use

    Not suitable for outdoor applications directly exposed to moisture, as it may degrade over time.

  • Heavy Load Areas

    Not ideal for areas with heavy foot traffic where high durability and structural support are required.

  • Electrical Insulation

    Not appropriate for electrical insulation purposes, as it doesn't provide necessary protection for electrical wiring.

Product Description

Foam Expansion Joint, Black, 4-In. x 50-Ft., .5-In. Thick

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Reflectix 4 in. W x 50 ft. L Reflective Expansion Joint Roll used for?

    Answer: The Reflectix 4 in. W x 50 ft. L Reflective Expansion Joint Roll is ideal for insulating expansion joints in various construction applications. This product offers excellent thermal performance, reducing energy costs and improving climate control in both residential and commercial spaces. Its reflective surface minimizes heat transfer, making it great for walls, attics, and roofs. For example, it can be used effectively in basements and garages where maintaining a consistent temperature is crucial.
  • Question: How does the Reflectix expansion joint roll improve energy efficiency?

    Answer: The Reflectix expansion joint roll enhances energy efficiency by reflecting radiant heat back into the living space rather than allowing it to escape. This reflective quality helps maintain indoor temperatures, reducing reliance on heating and cooling systems. In real-world scenarios, using this joint roll in attics or between walls can lead to noticeable savings on energy bills while creating a more comfortable environment.
  • Question: Is the Reflectix expansion joint roll suitable for outdoor use?

    Answer: Yes, the Reflectix expansion joint roll is suitable for limited outdoor use, particularly in areas that are covered or sheltered from direct sunlight and moisture. Its reflective properties help in controlling temperature fluctuations. However, for outdoor applications exposed to weather elements, additional protection may be necessary. Many users find it practical for insulating garden sheds or outdoor structures, ensuring they remain comfortable and energy efficient.
  • Question: What are the installation requirements for Reflectix expansion joint roll?

    Answer: Installing the Reflectix expansion joint roll typically requires surface preparation, ensuring the area is clean and free from debris. It can be cut to the desired length, making it adaptable to various joint sizes. Use adhesive or double-sided tape for secure attachment to surfaces. A practical use case is during home renovations, where it can be applied to new construction or retrofitting existing structures, enhancing insulation performance seamlessly.
  • Question: Can Reflectix be used in residential applications?

    Answer: Absolutely! The Reflectix expansion joint roll is specifically designed for residential applications, providing insulation that improves energy savings and comfort. It’s commonly used in attics, basements, and garages. Many homeowners choose to install it as part of their home improvement projects, especially if seeking to enhance energy efficiency during renovation or construction.
  • Question: Is Reflectix fire resistant?

    Answer: Yes, Reflectix includes fire-resistant materials, which comply with safety standards when installed properly. While it’s always necessary to follow local building codes and regulations, its fire resistance adds an element of safety when used in construction projects. For instance, incorporating Reflectix in walls or ceilings where insulation is critical can be an advantage for both performance and safety in homes.
  • Question: What are the dimensions of the Reflectix expansion joint roll?

    Answer: The Reflectix expansion joint roll measures 4 inches in width and 50 feet in length, covering a total area of 50 square feet. This size makes it versatile for various applications, allowing users to cover multiple joints without needing excessive material. It’s particularly effective for insulating longer joints in larger spaces or projects that have specific thermal efficiency needs.
  • Question: Can I use Reflectix for soundproofing?

    Answer: While Reflectix is primarily designed for thermal insulation, its reflective properties can help contribute to sound dampening when applied appropriately. It can be used in combination with other sound-insulating materials to enhance acoustic control in homes, such as media rooms or shared living spaces. This dual functionality makes it a favored choice for users looking to balance thermal and acoustic improvement.
  • Question: How do I clean or maintain the Reflectix expansion joint roll?

    Answer: Maintaining the Reflectix expansion joint roll involves occasional dusting or wiping with a damp cloth to remove any dirt or debris. Avoid harsh chemicals, as they may damage the reflective surface. Regular inspection ensures that it remains effective over time. Users often find this low-maintenance quality appealing for projects like basement refinishing where long-lasting insulation is paramount.
  • Question: Where can I buy Reflectix 4 in. W x 50 ft. L Reflective Expansion Joint Roll in Malawi?

    Answer: You can purchase the Reflectix 4 in. W x 50 ft. L Reflective Expansion Joint Roll from Ubuy in Malawi. Ubuy offers an extensive range of products, ensuring you can find the exact specifications you need for your insulation projects. By shopping with Ubuy, you benefit from a trusted platform that makes acquiring quality materials straightforward and reliable.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

MWK 179896

Order now and get it around Friday, July 10

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 4-In. x 50-Ft., .5-In. Thick
  • Stiff enough to use on straight joints
  • Flexible enough to shape to contours
  • Perforated to allow for decorative finished edges