Uninsulated ductwork can be a hidden burden on your shoulder. It makes your utility bill sky-high. At the same time, it creates an uncomfortable environment in your basement.
Insulating the ductwork will probably put an end to all your struggles.
How to insulate ductwork in the basement?
First, you need to grab the right gears and material for your insulation. Then, cut them into the required pieces. Place them on the ducts for proper insulation. Have another check to see if you’re successful or not.
This is just a portion of the information that we are offering today. We made sure that you are aware of all the supporting factors.
To sum up, you won’t have to regret learning what we have to offer. Let’s discover them!
How to Insulate Ductwork in the Basement
We are well aware of the troubles that you have to face with a basement. Such as water in the basement, issues with structure, and now a heated basement.
However, you can’t just go on and fill the ducts with insulation. We segmented the work so that it’s easier for you to follow.
Grab Your Gears
Ductwork doesn’t really need any complex tools. Here’s the list of those tools you’ll need:
The most important thing to watch out for is the insulation material. We would suggest going with fiberglass.
You’ll be bamboozled to find fiberglass insulation of different R- values and thicknesses. Moreover, you get an option to choose your desired rigid or flexible form.
Tip: For an effortless and effective fix, grab the flexible fiberglass insulation. This comes in rolls and is flexible enough to get your job done quickly.
Seal Before You Start
Well, don’t rush. The insulation will be useless if there are existing leaks on the ducts. Leaks are quite common but shouldn’t be tolerated at all.
If there are any leaks, the insulation will engage with the duct. It can be quite troublesome both for your peace and health.
So, before we start insulation, inspect the ducts for leaks. Seal them up if you face any. Now let’s check out the right sealing process-
Inspect the Ducts
The only way to find out leaks is proper inspection. Look for places with rust, impacts that can cause a leak, and other damages. Those might even need greater attention than you can imagine.
If everything seems sealed, you’re good to go for insulation.
Detect the Leaks
Detecting duct leaks is as easy as detecting a bicycle tire leak. Turn the HVAC system on and hold your hand over the ducts to identify the leaks. You’ll be able to feel the leaking air if the HVAC system is on.
The bigger the duct leaks, the easier it’ll be to identify. To find out smaller leaks, you can use an incense stick or smoke pencil. The air leak will be visible in the smoke.
Mark the Leaks
Identify the possible leaks on your ducts. Make sure that the leaks are visible and accessible enough. Often the leaks are tiny and hard to detect. That makes it uncomfortable and tough to perform repair tasks.
Seal the Leaks
To seal holes or joints, duct mastic can be your savior However, keep in mind that dealing with mastic can get quite messy for you.
In most cases, all you need is a bucket full of mastic with a brush. You can also consider mastic tape if your leak isn’t too massive or out of proportion. It’s often more than enough.
Here are some of our favorite mastic tapes:
3M 2228 Scotch Moisture Sealing Electrical Tape
Hardcast Foil-Grip 1402 Mastic Duct Sealant
3M Scotch Rubber Mastic Electrical Tape
Now if the ducts are well-sealed, it’s time to ensure the insulation. Let’s see what we can do to save some energy.
Get Your Insulation
As we want the best for you, we would suggest you use fiberglass insulation. It’s the most cost-effective option.
Not just any fiberglass insulation, the foil-backed ones will be the best grab for you. Make sure that you’re grabbing R-6 rated insulation (at least).
Cut the Right Piece
It’s time to set the insulation in the ducts. But how much of the insulation should one cut?
Well, the insulation should have a snug fit rather than a compressed one. Fiberglass insulation is the most popular and has many unavoidable uses.
Insulate the Ducts
Wrap and secure that insulation from top to bottom of the ducts. Use a piece of foil tape that is long enough to cover the ducts. Repeat until there’s no gap.
If you find a leak now, there’s still time for you to take care of it. Leaking ductwork can make all your efforts go to vain.
We made this a separate step to reiterate how important double-checking is. This way, you can avoid any future safety or leakage issues with your HVAC ducts.
Our goal is to prevent the moisture from getting near the ducts. So, we need to make sure that the moisture outside isn’t penetrating through the insulation.
Make sure that every seam and joint of the insulation is sealed securely with tape. Whether you’re insulating ductwork in the garage or basement, your safety is our first concern.
Tips to Boost the HVAC Efficiency
These are some hacks that’ll allow you to increase the efficiency of your HVAC. As we know you’re tired of listening about your high electricity bill.
- Remove or seal the unused and unnecessary vents. Those can double your bills.
- Upgraded HVAC units consume less electricity than outdated ones. So, consider getting a new one.
- Regular maintenance can help you get rid of a number of fixes. So you can get the best performance out of the system.
- Continuous airflow can save energy too. Thus, have a routine checkup of the HVAC unit.
Question: Should I insulate my ductwork in the basement?
Answer: Basement duct insulation makes it colder for you in the basement. It also saves energy at the same time. Consider insulating both the wall and the ducts at the same time. So that no moisture gets through the ducts.
Question: How do I stop condensation in the ductwork in my basement?
Answer: Condensation in the ductwork is quite common in the basement. To avoid such incidents, you can take certain effective steps. Like reducing humidity level around air ducts and unblocking ducts with airflow issues. Keeping them clean matters the most.
Question: Should ductwork in the crawl space be insulated?
Answer: Crawl spaces are already heated from the lack of breathing space. Insulation can be a great asset to keep the area at a standard temperature. You might even reduce your utility bill to a great extent.
With that said, now you know how to insulate ductwork in the basement. We hope our instructions were enough for a successful installation.
Moreover, we’d appreciate it if you take the safety measures seriously. Because this installation process requires working in a confined and dusty area.
Always wear a dust protection mask and proper safety gear.
Do consult a professional if you’re having major issues with the installation. Or you might end up damaging the ducts rather than insulating them.
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