Leaking ducts need to be repaired immediately with aluminum foil tape or sealant. If you neglect or fail to pay attention, cold air will start leaking out, and you won’t get proper cooling. There are two ways to repair ducts: sealing or mastic. So, which sealing method is best for your HVAC project? Let’s find the best solution.
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Mastic air duct sealant is suitable for areas where need strong seal. It’s commonly for ducts that carry hot and cold air, such as central air conditioning and heating systems. Water based duct sealant can be applied with a brush or putty knife and dries to form a flexible, airtight seal.
Advantages of Duct Sealant
- Water-based, environmentally friendly formula with low volatile organic compound (VOC) content and low odor.
- Excelente trabajabilidad.
- Non-corrosive to metal.
- Slump-resistant.
- High solids content.
- Baja contracción.
- Adapts to irregular joints and duct surfaces, providing a comprehensive seal.
Duct Tape
Heavy-duty duct tape with an aluminum foil backing and a powerful adhesive to create a secure, long-lasting seal on all metal surfaces.
Advantages of Duct Tape
- Easy to Use: Aluminum foil tape for ductwork is quick and easy to use.
- Heat Resistance: Aluminum foil tape can withstand high temperatures, making it suitable for use in HVAC systems.
- Reflective Surface: The reflective surface of aluminum foil tape helps insulate ductwork and reduce heat transfer.
However, dust and oil accumulation on ductwork can loosen the tape’s adhesive. As a result, the tape can begin to peel over time, resulting in a shorter lifespan and higher maintenance costs.
The choice between sealant and aluminum foil tape depends on your specific needs and the condition of your ductwork. Air conditioning duct sealant is recommended for ductwork that requires long-term durability and excellent airtightness, or for sealing irregular or hard-to-reach areas. For quick, neat, and temporary repairs on easily accessible metal ductwork, aluminum foil tape is the right choice.
Choosing the right duct sealing method ensures long-term, efficient and reliable HVAC system performance. Sealants provide a durable, airtight seal for irregular or hard-to-reach areas, while tape is suitable for quick or small-scale repairs. We can provide customized sealant solutions to help your project operate efficiently and reduce maintenance costs.