Features & Benefits
- Premium grade sealant
- UV and weather-resistant
- Water-borne and non-flammable
- Saves energy
- Easy to apply with various tools
- Seals air ducts and crawl spaces
0 ratings
#7 Mastic Premium Air Duct Sealant one Gallon
0 ratings
Write a review
Out of stock
Imported from USA store
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.
Our Top Logistics Partners
Premium Grade air duct sealant that is UV and weather-resistant, water-borne, non-flammable, and saves energy
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Superior Adhesion
Mastic® offers exceptional grip on various surfaces, ensuring long-lasting seals that prevent air leaks, improve efficiency, and reduce energy costs.
Easy Application
The user-friendly formula allows for hassle-free application with a brush or trowel, making it ideal for both professionals and DIY enthusiasts looking to enhance air quality effortlessly.
Eco-Friendly Formula
This sealant is designed with eco-conscious consumers in mind, featuring low VOC content that ensures safer indoor air quality and complies with environmental standards.
Product Details
- Premium grade #7 Mastic air duct sealant in one gallon pail
- Non-flammable, weather resistant, and water-borne with low odor
- Ideal for sealing sheet metal, fiberglass, and flexible air ducts, crawl spaces, and more
- Made in the USA and earns LEED credits
- Bonds to various construction surfaces like aluminum, steel, insulation, and more
- Application requires clean surfaces and precautions for storage and usage
| Brand Name | RCD Corporation |
| UPC | 760496070016 |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Part Number | 107001 |
| Model | 107001 |
| Manufacturer | RCD Corporationu00ae |
| Material Type | Polyurethane |
| Water Resistance Level | Water Resistant |
| Item Form | Liquid |
| Compatible Material | Fiberglass, Metal |
| Item Weight | 13 Pounds (5.9 kg) |
| Item Dimensions | 8 x 8 x 8 inches (20.3 x 20.3 x 20.3 cm) |
| Style Name | Compact |
| Color | Grey |
| Surface Recommendation | Sheet metal, Fiberglass, Thermal insulation |
| Material | Polyurethane |
| Brand | RCD Corporation |
| Style | Compact |
| Item dimensions L x W x H | 8 x 8 x 8 inches (20.3 x 20.3 x 20.3 cm) |
Who Should Buy?
-
HVAC Technicians
Ideal for professionals looking to seal air ducts efficiently, improving airflow and reducing energy costs.
-
Homeowners
Perfect for DIY projects in residential spaces to mitigate air leaks and enhance comfort in the home.
-
Commercial Use
Beneficial for large buildings needing reliable air duct sealing to maintain optimal energy efficiency and indoor air quality.
-
Non-Professionals
May be unsuitable for those without prior experience, as proper application techniques are crucial for effectiveness.
Product Description
#7 Mastic Premium Air Duct Sealant one Gallon
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is 7 Mastic® Premium Air Duct Sealant used for?
Answer: 7 Mastic® Premium Air Duct Sealant is specifically designed to seal seams and joints in HVAC duct systems. This sealant helps improve energy efficiency by reducing air leaks, leading to enhanced performance of heating and cooling systems. By creating a strong, flexible bond, it also prevents the entry of dust and debris into the ductwork. Scenarios where this sealant is beneficial include new duct installations, retrofitting existing systems, or during routine maintenance to ensure optimal airflow. -
Question:
How do I apply 7 Mastic® Premium Air Duct Sealant?
Answer: Applying 7 Mastic® is straightforward; use a brush, putty knife, or applicator to evenly coat the seams or joints of ductwork. Ensure surfaces are clean and free from dust or grease beforehand for optimal adhesion. Since this sealant is water-based, it can be easily cleaned with soap and water before it cures. This is useful for homeowners or contractors undertaking HVAC tasks, making sure the ducts are effectively sealed to maintain airflow efficiency. -
Question:
Is 7 Mastic® Premium Air Duct Sealant environmentally friendly?
Answer: Yes, 7 Mastic® is formulated with low VOCs (Volatile Organic Compounds), making it a more environmentally friendly option compared to other sealants. This feature not only helps maintain indoor air quality but also makes it suitable for residential and commercial applications. Environmental advantages include reduced emissions and a safer working environment, particularly useful for projects in enclosed spaces or when working around sensitive populations. -
Question:
Can 7 Mastic® be used on surfaces other than ductwork?
Answer: While 7 Mastic® is primarily designed for HVAC duct systems, it can also be utilized on other surfaces like metal, plastic, and fiberglass. This flexibility means that it’s effective for sealing various applications where a flexible, durable bond is required. Use cases might include repairing insulation, sealing HVAC appliances, or other home improvement projects that need reliable sealing solutions. -
Question:
How long does it take for 7 Mastic® to cure?
Answer: 7 Mastic® typically dries to the touch within a few hours, but it’s recommended to allow 24 hours for a complete cure. Factors such as temperature and humidity can affect curing time, so consider these conditions during application. Allowing adequate curing time is essential for achieving maximum adhesion and performance, particularly in high-use or critical HVAC settings. -
Question:
Is 7 Mastic® safe for indoor use?
Answer: Yes, 7 Mastic® is safe for indoor use, as it releases low levels of VOCs, making it suitable for indoor environments. It is often used in homes and commercial spaces without concerns about harmful emissions. This characteristic is particularly important for those with allergies or sensitivities, insisting on an air quality-conscious approach while ensuring ducts are properly sealed. -
Question:
What type of packaging does 7 Mastic® come in?
Answer: 7 Mastic® is available in a convenient one-gallon container that facilitates easy application for various projects. The size is ideal for both small repairs and larger HVAC systems, ensuring you have enough product for multiple uses or extensive jobs. For contractors or DIY enthusiasts, this bulk packaging can effectively reduce waste and provide ample material for sealing tasks. -
Question:
Can I paint over 7 Mastic® after it cures?
Answer: Yes, you can paint over 7 Mastic® once it has fully cured. The sealant provides a smooth surface that adheres well to most paints. This allows for a seamless finish, which is particularly useful in visible areas of duct work or when integrating with room decor. This feature enhances aesthetic appeal while ensuring that functional sealing remains intact. -
Question:
What is the shelf life of 7 Mastic® Premium Air Duct Sealant?
Answer: 7 Mastic® has a shelf life of about 12 months when stored in a cool, dry place and kept tightly sealed. Proper storage is key to maintaining its performance and usability. Knowing this can be beneficial for DIY enthusiasts or contractors who want to plan ahead for future projects without compromising quality during storage. -
Question:
Where can I buy 7 Mastic® Premium Air Duct Sealant one Gallon in British Virgin Islands?
Answer: You can purchase 7 Mastic® Premium Air Duct Sealant one Gallon on Ubuy. This platform offers a range of products and ensures reliable access to quality materials needed for your HVAC projects. Shopping through Ubuy can provide you with various options and convenience for getting what you need directly at your fingertips.
RCDCorporation Car Care Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
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.
Currently unavailable.
We don't know when or if this item will be back in stock.
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.)
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
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.