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Jun 10, 2020
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High-Performance Hardcast VG-181-4 Duct Sealant

Are you in need of a reliable and long-lasting duct sealant for your HVAC systems? Look no further! Medlin Equipment proudly presents the superior Hardcast VG-181-4 Duct Sealant, designed to meet all your sealing requirements.

The Importance of Quality Duct Sealants

When it comes to maintaining energy efficiency, indoor air quality, and the overall performance of your HVAC system, proper sealing plays a crucial role. The Hardcast VG-181-4 Duct Sealant ensures maximum air tightness, preventing costly air leakage, and optimizing the system's efficiency.

Key Features and Benefits

Here at Medlin Equipment, we understand the importance of reliable and effective sealants. That's why we highly recommend the Hardcast VG-181-4 Duct Sealant, which offers an array of features and benefits:

  • Superior Adhesion: The VG-181-4 Duct Sealant adheres effortlessly to various materials, including metal, fiberglass, and flexible ducts, ensuring a strong and durable seal.
  • Excellent Flexibility: This sealant is designed to withstand duct movements and vibrations. Its flexible formulation prevents cracking or separation, ensuring long-term performance.
  • High Temperature Resistance: With its exceptional resistance to heat and temperature fluctuations, the VG-181-4 Duct Sealant is suitable for both hot and cold air ductwork, providing a reliable seal under any conditions.
  • Low VOC Content: Our duct sealant complies with industry standards and has low volatile organic compound (VOC) content, promoting better indoor air quality and minimizing environmental impact.
  • Quick Cure Time: The Hardcast VG-181-4 Duct Sealant is designed to provide rapid curing, minimizing downtime and allowing for efficient installation.


The versatility of the Hardcast VG-181-4 Duct Sealant makes it suitable for a wide range of applications, including:

  • Residential HVAC systems
  • Commercial and industrial ductwork
  • Duct sealing in hospitals, schools, and other institutions
  • Data centers and server rooms
  • And more!

Trust Medlin Equipment for Your Duct Sealing Needs

As a leader in the shipping and logistics industry, Medlin Equipment is dedicated to providing the highest quality products to meet your business and consumer service needs. With our extensive experience and expertise, we ensure that our customers receive unparalleled service and support.

When you choose the Hardcast VG-181-4 Duct Sealant at Medlin Equipment, you can trust that you're investing in a top-of-the-line product that will exceed your expectations. We offer competitive pricing and a streamlined ordering process, making it easier than ever to get the sealant you need quickly.

Don't compromise on the performance and longevity of your duct sealing. Contact Medlin Equipment today or browse our online catalog to discover the full range of high-quality duct sealant solutions we offer.

Related Products:

  • Hardcast Foil-Grip 1402 Duct Sealant
  • Hardcast Versa-Grip 102 HVAC Duct Sealant
  • Hardcast Foil-Grip 1403-181BFX Duct Sealant
Amy Tannenbaum
Impressive sealant! So glad I found Medlin Equipment!
Oct 14, 2023
James Dunphy
Great product! 🙌🏼
Oct 6, 2023