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Item #:
56470753
Foam Expansion Joint, Black, 4-In. x 50-Ft., .5-In. Thick
Item #:
56470753
NZD 92
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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In stock
Imported from USA store
Order now and get it around Thursday, July 09
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Durable lightweight closed-cell foam expansion joint
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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
- 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 Weight | 6 lbs (2.72 kg) |
Who Should Buy?
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Home Insulators
Ideal for homeowners seeking energy efficiency by minimizing heat loss or gain in their homes.
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Construction Workers
Perfect for professionals needing durable, reflective materials for expansion joints in commercial and residential projects.
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DIY Enthusiasts
Great for hobbyists and DIY workers tackling insulation and reflective barrier projects in their personal spaces.
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Outdoor Use
Not suitable for outdoor applications directly exposed to moisture, as it may degrade over time.
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Heavy Load Areas
Not ideal for areas with heavy foot traffic where high durability and structural support are required.
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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
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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 New Zealand?
Answer: You can purchase the Reflectix 4 in. W x 50 ft. L Reflective Expansion Joint Roll from Ubuy in New Zealand. 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.
Reflectix Sealers Editorial Review
The Foam Expansion Joint is a great product for filling gaps in concrete slabs, driveways, and sidewalks. It is 4 inches wide by 50 feet long and half an inch thick, providing ample coverage. The foam material expands and contracts with the changing temperatures, helping to prevent cracks and damage. The black color blends well with the surrounding concrete and gives a seamless look. Overall, this expansion joint is reliable, effective, and easy to install.
Customer Reviews & Ratings
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Pros
- Provides excellent coverage for filling gaps in concrete
- Durable and long-lasting
- Expands and contracts with changing temperatures
- Blends well with surrounding concrete
Cons
- Some users found it to be too thick for certain applications
Platform Trust & Buyer Confidence
NA
Naylz
Verified buyer
“Purchased a YAMATIC 3/4" Shaft Horizontal Pressure Washer Pump 3400 PSI 2.5 GPM as a replacement for my GC190 water blaster. Fits perfectly and works well. Easy transaction and reasonable delivery to New Zealand.”
6 June 2026 · via Trustpilot
EG
Eduardo
Verified buyer
“great service, quick delivery and comunication”
2 June 2026 · via Trustpilot
DR
Dave
Verified buyer
“First time using Ubuy. Simple to use, well packed and faster than expected delivery. Was about the only way to get this item I've been after for almost a year … thank you Ubuy!”
15 May 2026 · via Trustpilot
DD
David
Verified buyer
“First time using Ubuy and very impressed. Items arrived from the USA super fast and are such a top-quality product. I will definitely be back to purchase again. Cannot recommend you highly enough for a hassle-free & efficient service. Thank you so much. I am one very happy customer.”
14 May 2026 · via Trustpilot
J
John
Verified buyer
“Very happy with the light. I wanted something a little different for a bedside lamp and find this is great. Easy to operate with a single button to turn it off and on and control the brightness and colour temperature. The item was sent quickly and a hassle free purchase.”
23 April 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.
NZD 92
Order now and get it around Thursday, July 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Secured 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.
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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