RCDCorporation
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No. 7 Mastic Premium Air Duct Sealing Kit Grey
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No. 7 Mastic Premium Air Duct Sealing Kit Grey
No. 7 Mastic® Premium Air Duct Sealing Kit is a must-have for all your air duct sealing needs.
No. 7 Mastic Premium Air Duct Sealing Kit Grey
Item #: 42470775

No. 7 Mastic Premium Air Duct Sealing Kit Grey

Item #: 42470775

HKD 382

Price Details

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*All items will import from US

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Order now and get it around Thursday, July 09
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No. 7 Mastic® Premium Air Duct Sealing Kit is a must-have for all your air duct sealing needs.
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What Stands Out

High-Performance Sealant
This premium air duct sealing kit provides superior adhesion and durability, effectively reducing air leaks to enhance energy efficiency in homes and commercial spaces.
Complete Installation Solution
The kit includes all necessary tools and materials, making the sealing process straightforward and convenient, suitable for both DIY enthusiasts and professionals.
Environmentally Friendly
Made from eco-conscious materials, the No. 7 Mastic® kit not only improves indoor air quality but also supports sustainable building practices, appealing to environmentally aware consumers.

Product Details

Shop No. 7 Mastic Premium Air Duct Sealing Kit Grey online at a best price in Hong Kong. B01FMMNT6M
  • Kit includes: No. 7 Mastic (1 can 915ml), 2-inch Mastic Brush (1 ea.), Can Opener (1 ea.), LED Flashlight with batteries (1 ea.), Red Shop Towel (1 ea.), Black Burlap Bag (1 ea.)
  • No. 7 Mastic is a premium grade air duct sealant that dries quickly to a tough flexible seal, water-borne, low odor, weather resistant, and non-flammable
  • Easy to apply, non-flammable, weather resistant, & dries fast, color: Gray
  • Perfect for making repairs to leaking air ducts, used to seal sheet metal, fiberglass, & flexible air ducts, register boots, vents & roof caps, plenums, thermal insulation, crawl space vapor retarders
  • Instructions for sealing leaking air ducts provided, including surface preparation and application for different gap sizes
  • Precautions and storage instructions provided for safe use, including VOC information and manufacturing details
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners looking to improve HVAC efficiency and reduce energy bills by sealing duct leaks effectively.

  • Contractors

    A great choice for contractors who need reliable and durable sealing solutions for air duct installations and repairs.

  • Energy Auditors

    Perfect for energy auditors assessing HVAC systems, ensuring all ducts are properly sealed for optimal performance.

Not Suitable For
  • Temporary Solutions

    Not suitable for those seeking temporary fixes, as it provides a long-term sealing solution for ducts.

  • Non-DIY Users

    May not fit users uncomfortable with DIY tasks, as it requires basic skills to apply correctly.

  • Severe Duct Damage

    Not effective for severely damaged ducts that require replacement or extensive repairs beyond sealing.

Product Description

No. 7 Mastic Premium Air Duct Sealing Kit Grey

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the No. 7 Mastic® Premium Air Duct Sealing Kit used for?

    Answer: The No. 7 Mastic® Premium Air Duct Sealing Kit is designed to effectively seal air ducts in residential or commercial heating and cooling systems. By sealing gaps and leaks in ductwork, it enhances energy efficiency, leading to reduced energy costs and improved indoor air quality. This kit is beneficial in scenarios where air is escaping through unsealed joints, causing systems to work harder and less efficiently.
  • Question: How do I apply the No. 7 Mastic® from the sealing kit?

    Answer: To apply the No. 7 Mastic®, first clean the surface around the area you're sealing to ensure proper adhesion. Using a brush or applicator, apply the mastic to the seams, joints, or any visible gaps. The product dries to a flexible seal that can withstand temperature changes. This method is especially effective in environments where air ducts are exposed to varying conditions, whether in attics, basements, or crawl spaces.
  • Question: Can the No. 7 Mastic® be used on all types of ductwork?

    Answer: Yes, the No. 7 Mastic® is versatile and can be used on various types of ductwork, including metal, fiberglass, and flexible ducts. It adheres well to different surfaces, making it suitable for most HVAC systems. This broad compatibility ensures that whether you're sealing metal ducts in an industrial setting or flexible ducts in residential homes, this product will provide a reliable solution.
  • Question: How long does it take for the No. 7 Mastic® to dry?

    Answer: The drying time for No. 7 Mastic® can vary based on environmental conditions, but it typically dries to the touch within a few hours. Full curing may take longer, depending on humidity and temperature. It is advisable to avoid disturbing the sealed areas during the initial drying period to ensure a solid bond. This feature is particularly useful for users who need to resume their operations quickly after sealing to minimize downtime.
  • Question: Is No. 7 Mastic® safe to use indoors?

    Answer: Yes, No. 7 Mastic® is formulated for indoor use and is safe for residential and commercial applications. It has low emissions, making it an excellent choice for areas where air quality is a concern, such as homes and offices. Users can apply it with confidence, knowing that they are sealing their air ducts without introducing harmful chemicals into their living or working spaces.
  • Question: What tools do I need to use with the No. 7 Mastic® sealing kit?

    Answer: When using the No. 7 Mastic® sealing kit, basic tools including a brush or applicator for precise application, a scraper for surface prep, and possibly a utility knife for cutting any required duct material are advisable. These tools help ensure a smooth sealing process. This is particularly helpful for DIY enthusiasts or contractors looking to improve duct efficiency in various settings.
  • Question: How does the No. 7 Mastic® improve energy efficiency?

    Answer: The No. 7 Mastic® minimizes air leaks in ducts, which can account for significant energy loss in HVAC systems. By sealing these gaps, it enhances airflow and reduces the amount of energy needed to heat or cool your space. This improvement not only leads to a more comfortable environment but also lowers utility bills over time, making it an investment in energy savings and comfort.
  • Question: Can I paint over No. 7 Mastic® once it's dry?

    Answer: Yes, once No. 7 Mastic® is fully dry, it can be painted over with most latex or oil-based paints. This feature allows you to maintain the aesthetic appearance of your ductwork or surrounding areas while still benefitting from its sealing properties. It’s particularly useful in spaces where ducts may be visible or in need of color matching to blend into the surroundings.
  • Question: What should I do if I have a large area to seal with the kit?

    Answer: For large areas, it's recommended to break the project into manageable sections. Apply No. 7 Mastic® systematically, focusing on one section at a time to ensure thorough coverage. This approach not only helps in achieving an even seal but also allows you to monitor the drying process effectively. This method is ideal for expansive ductwork systems or when addressing multiple leakage points.
  • Question: Where can I buy No. 7 Mastic® Premium Air Duct Sealing Kit in Hong Kong?

    Answer: You can buy the No. 7 Mastic® Premium Air Duct Sealing Kit from Ubuy in Hong Kong. Ubuy offers a convenient online shopping experience, allowing you to access this product easily. It's a reliable platform to ensure you get authentic products delivered straight to your door, making it simple to start your duct sealing project right away.

RCDCorporation Ducting Editorial Review

The No. 7 Mastic® Premium Air Duct Sealing Kit has received positive feedback from users. Customers found it easy to use, effective in sealing air leaks in their HVAC systems, and appreciated the comprehensive kit that comes with all necessary supplies for application. The mastic dries fast and provides a strong seal once dry. However, it is noted that the product does not work if the area is wet, requiring it to be completely dry before application. Additionally, it takes 48 hours to completely dry. Overall, the product is well-received for its sealing capabilities and ease of use. **

Customer Reviews & Ratings

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Pros

  • Easy to use
  • Comprehensive kit with all necessary supplies
  • Dries fast and provides a strong seal once dry

Cons

  • Does not work if the area is wet

Product Price History

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.

HKD 382

Order now and get it around Thursday, July 09

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

  • Premium grade air duct sealant
  • Quick drying and forms a tough flexible seal
  • Water Borne
  • Low Odor
  • Weather Resistant
  • Non-Flammable