As an expert in the field of HVAC systems, I have seen firsthand the importance of properly sealing ducting. One of the most common questions I receive is, 'What is the best tape to use to seal the seams of ducting?' And my answer is always the same: it depends on the specific needs of your system. Before we dive into the different types of tape, it's important to understand why sealing ducting is so crucial. Usually, there is some oil film on the pipe due to manufacturing.
This can lead to air leaks and decreased efficiency in your HVAC system. That's where duct putty comes in. Duct putty is a sticky material that can be easily applied with a brush and is available at most home improvement stores. It can be generously applied to duct joints and leaks, creating a strong seal that won't break down over time.
One of the biggest advantages of using putty is its ability to reach and seal hard-to-reach areas and duct joints with steep angles. But what about aluminum tape? While most aluminum tapes are considered 'absolute garbage' by many experts, it can still be a good alternative for those who prefer not to use duct putty. However, it's important to note that adhesive tape is not approved for use in ducts and may not withstand the conditions of an air conditioning system. It may work well for heavy projects, but when it comes to sealing ducting, it may not hold up.
So which one should you choose? The truth is, both aluminum tape and duct putty can effectively seal your air conditioning system. It ultimately comes down to personal preference and the specific needs of your system. Every master or contractor who specializes in DIY has their own preferences for what they use when working in residential ducts. One thing to keep in mind is to never seal ducts with adhesive tape.
Despite its name, it is not suitable for this type of job and may lead to further issues down the line.
