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- #8 Mastic Sheet Metal Air Duct Sealant
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Item #:
245534233
#8 Mastic Sheet Metal Air Duct Sealant
90% of respondents would recommend this to a friend
Item #:
245534233
BSD 100
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Tuesday, September 29
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Our most popular container size. Convenient for jobs big and small. Perfect for DIY home improvement and lightweight for easy carrying. #8 Mastic is UL Listed.
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What Stands Out
Superior Adhesion
The Mastic Sheet Metal Air Duct Sealant offers exceptional grip on metal surfaces, ensuring a lasting bond that prevents leaks and enhances air duct efficiency.
Easy Application
Designed for effortless use, this sealant is easy to apply with standard tools, making it accessible for both professionals and DIY enthusiasts looking to seal their air ducts effectively.
Durable and Long-lasting
With high resistance to temperature fluctuations and humidity, this sealant provides a robust seal that withstands the test of time, ensuring continued air quality and system performance.
Product Details
| Brand Name | RCD Corporation |
| UPC | 760496180012 |
| Number of Packs | 1 |
| Unit Count | 1 Count |
| Number of Items | 1 |
| Included Components | One Gallon Pail and Lid |
| Item Type Name | Air Duct Sealant |
| Manufacturer | RCD Corporation |
| Model | 108001 |
| Part Number | 108001 |
| Item Weight | 14 pounds (6.35 kg) |
| Item Dimensions | 8 x 8 x 7.5 inches (20.3 x 20.3 x 19.1 cm) |
| Water Resistance Level | Water Resistant |
| Item Form | Paste |
| Compatible Material | Metal |
| Style Name | One Gallon Pail |
| Color | Grey |
| Surface Recommendation | Sheet Metal Air Ducts, Fiberglass Air Ducts, Flexible Air Ducts |
| Supported Standards | UL |
| Material Type | Water-Based Polymer Sealant/Adhesive |
| Material | Water-Based Polymer Sealant/Adhesive |
| Brand | RCD Corporation |
| Style | One Gallon Pail |
| Item dimensions L x W x H | 8 x 8 x 7.5 inches (20.3 x 20.3 x 19.1 cm) |
Who Should Buy?
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HVAC Professionals
This sealant is ideal for HVAC installation and maintenance, ensuring airtight seals in ductwork for optimal efficiency.
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DIY Enthusiasts
Perfect for homeowners looking to DIY duct sealing projects, providing an easy-to-use solution for improved home comfort.
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Energy Auditors
Great for energy audit specialists assessing and sealing air leaks in duct systems to enhance energy efficiency.
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Outdoor Use
Not suitable for outdoor applications as it may not withstand extreme weather conditions and prolonged UV exposure.
Product Description
#8 Mastic Sheet Metal Air Duct Sealant
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is 8 Mastic Sheet Metal Air Duct Sealant used for?
Answer: 8 Mastic Sheet Metal Air Duct Sealant is primarily used for sealing and repairing air ducts and HVAC systems. This sealant effectively fills gaps, seams, and joints in sheet metal ductwork, preventing air leaks that can lead to energy loss and reduced system efficiency. It is particularly useful in residential and commercial settings where maintaining air quality and reducing energy costs are priorities. -
Question:
Can I use 8 Mastic Sheet Metal Air Duct Sealant on different types of materials?
Answer: While 8 Mastic Sheet Metal Air Duct Sealant is specifically designed for sheet metal, it can also adhere to other materials like fiberglass and plastic, making it versatile. This opens up utility in various HVAC applications where different duct materials are utilized. Always ensure surfaces are clean and dry for the best adhesion, especially when dealing with varied materials. -
Question:
How do I apply the 8 Mastic Sheet Metal Air Duct Sealant?
Answer: To apply 8 Mastic Sheet Metal Air Duct Sealant, first prepare the surface by cleaning it of dust and moisture. Using a brush or applicator, spread the sealant over the seams or gaps evenly. It can be applied with confidence in various temperatures, ensuring effective curing. This is particularly suitable for both new installations and repair situations where airtight seals are needed to enhance performance. -
Question:
Is 8 Mastic Sheet Metal Air Duct Sealant water-resistant?
Answer: Yes, 8 Mastic Sheet Metal Air Duct Sealant is water-resistant once cured. This quality makes it ideal for application in environments where moisture may be present, protecting against rust and corrosion in ducts. Users can depend on it for both indoor and outdoor applications, as it maintains durability even in challenging weather conditions. -
Question:
How long does it take for 8 Mastic Sheet Metal Air Duct Sealant to dry?
Answer: The drying time for 8 Mastic Sheet Metal Air Duct Sealant varies based on environmental conditions, but it typically sets within a few hours. Full curing may take longer, depending on humidity and temperature levels. It is essential to avoid disturbing the sealed area until the sealant has fully hardened to ensure an effective and long-lasting bond. -
Question:
What are the benefits of using 8 Mastic Sheet Metal Air Duct Sealant?
Answer: Using 8 Mastic Sheet Metal Air Duct Sealant provides several benefits, including enhanced energy efficiency by preventing leaks, improved air quality through better sealing, and reduced noise levels in HVAC systems. Its flexibility and adherent properties ensure a reliable seal that can adapt to movement and expansion in ductwork, making it a smart choice for both new and retrofit projects. -
Question:
Can 8 Mastic Sheet Metal Air Duct Sealant be painted over?
Answer: Yes, 8 Mastic Sheet Metal Air Duct Sealant can be painted over once it has fully cured. This allows for aesthetic integration with surrounding surfaces and helps maintain a clean appearance in visible areas. It is particularly useful for commercial spaces where professionalism in presentation is essential, ensuring a seamless look across duct installations. -
Question:
Is 8 Mastic Sheet Metal Air Duct Sealant safe to use indoors?
Answer: Absolutely, 8 Mastic Sheet Metal Air Duct Sealant is safe for indoor use when applied as directed. It is non-toxic and does not release harmful fumes once cured, making it suitable for residential applications. Individuals working on indoor projects can proceed confidently, ensuring a healthy living environment post-application. -
Question:
How do I store 8 Mastic Sheet Metal Air Duct Sealant?
Answer: To maintain the quality of 8 Mastic Sheet Metal Air Duct Sealant, store it in a cool, dry place with the lid tightly closed. Protect it from extreme temperatures and direct sunlight to preserve its performance properties. Proper storage is vital for ensuring that the sealant remains effective for future use, making it easier to access when needed. -
Question:
Where can I buy 8 Mastic Sheet Metal Air Duct Sealant in The Bahamas?
Answer: You can buy 8 Mastic Sheet Metal Air Duct Sealant in The Bahamas at Ubuy, a reliable online platform dedicated to delivering a wide range of products. Ubuy often offers convenient options and a seamless shopping experience for customers looking for quality sealants and HVAC solutions.
RCD Corporation Ducting Editorial Review
#8 Mastic Sheet Metal Air Duct Sealant is a highly effective solution for sealing air ducts, manufactured by RCD Corporation. This water-based polymer sealant is designed for use on sheet metal, fiberglass, and flexible air ducts, ensuring a robust seal that is resistant to water, making it ideal for various HVAC applications. Users have praised its easy application in a paste form, as well as its compatibility with different duct materials. The product comes in a convenient one-gallon pail, making it a practical choice for both professionals and DIY enthusiasts looking for reliable air duct sealing solutions. Questions from users often highlight its performance in ensuring energy efficiency by preventing air leaks and its ease of cleanup after use.
Customer Reviews & Ratings
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Pros
- Easy to apply paste formula
- Water-resistant seal for durability
- Compatible with multiple duct materials
- One-gallon pail offers great value
- User-friendly design for DIY projects
Cons
- Requires proper surface preparation for optimal adhesion
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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BSD 100
Order now and get it around Tuesday, September 29
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Most popular container size
- Convenient for jobs big and small
- Perfect for DIY home improvement
- Lightweight for easy carrying
- UL Listed
- Non-flammable and weather-resistant
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.