Why You Need Duct Armor

Our patented restoration is non-invasive and eliminates the need to cut up the foundation of your home. (Or use HVAC Liner here) Our HVAC liner restores air quality and extends the life of airways (or ductwork?).

Duct Armor is the safe and easy way to restore ductwork in your home or business through encapsulation in a non-invasive manner, and it avoids the chaos of renovation projects. Remodeling your home and the relocation of air ducts into the attic and purchasing a new furnace is not necessary with Duct Armor as your solution. All of our work can be done while you are in the home, in a fraction of the time. We even turn on your heat or air conditioning at the end of our workday.

Between the 1940’s and 1980’s builders used a material known as transite when placing ductwork in-slab, or underground ducts. Transite was the tradename used for concrete which has asbestos as the bonding agent. As systems have gone through the normal wear and tear of life, those asbestos fibers become friable and then airborne, posing a risk to anyone who is exposed. 

Duct Armor offers a variety of benefits to your residence or commercial space. Not only is it environmentally friendly, but it’s safe for your family and pets, too. The coating material is a proprietary water-based latex material that contains zinc. Our product will inhibit the growth of molds and bacterial growths, without the use of poisons, off-gassing or VOC’s. Duct Armor is so safe it’s classified as a non-hazmat material for shipping.

Benefits of Duct Armor


Engineered to restore deteriorating ductwork. Fire-safety tested.


Rigorously tested and EPA compliant to encapsulate asbestos fibers. Since there are no toxins involved, an EPA registration number is not required.


Eliminate and inhibit mold and bacterial growth inside your air ducts without the use of poisons.


Protect and restore the integrity of your system with our rubberized lining to inhibit further deterioration.

Fire and Smoke Damage

Our lining restores inaccessible ductwork and eliminates the odor left behind from fire and smoke damage.


Improve efficiency by reducing air loss.


Our duct lining exceeds all current building codes in Pennsylvania. New energy codes require airtight systems in every home and building - Duct Armor far and away exceeds these standards, to include HERS testing.

Energy Costs

An air-tight system equals cost savings on your energy bill!

Duct Board

Lock away fibers from becoming airborne and create a non-porous lining.

Overhead Metal Ducts

Seal air leaks and encapsulate dangerous fibers from breaking off into your air.


Air ducts lined with Duct Armor can make a dramatic difference to your family's health and the comfort of your home!


Creating a more airtight system is a proven method to reduce radon levels.

Our Process

Core Value Contracting LLC is Pennsylvania’s exclusive Duct Armor dealer. We make the process simple and laid out every step so there are no surprises and you know exactly what to expect. 

  • Call us for an inspection
  • We will capture video and map a layout of your system
  • Inspection report and proposal
  • Schedule your install
  • Duct cleaning occurs
  • Make any necessary repairs
  • 1st coat of Duct Armor is applied
  • 2nd coat of duct armor is applied
  • Confidence with a 15 year warranty (30 year life expectancy)


The uniqueness of our process can create a lot of questions, and our team is prepared to assist informing you. We encourage you to contact us to better understand the benefits of Duct Armor.

Each coating typically can be completed in less than a normal business day. For larger commercial projects, this could vary.

Yes, absolutely. Duct Armor is a non-toxic, non-invasive, water-based product. Not only can you be home during our application but can use your HVAC before we leave!

Our material will not be damaged by water and has been used to create a more watertight barrier. As a part of our inspection, we’ll attempt to identify the source of any water problem, which should first be resolved before installing Duct Armor. Though not intended to be the sole water-proofing solution, when used in conjunction with other recommended repairs, Duct Armor has proven to significantly mitigate water intrusion.

After each coat, the smell is easily compared to a freshly painted room. After a couple of days, with airflow, the only thing you’ll notice is improved circulation.

The best example would be painting a wall, by applying the lining bi-directionally, we provide the quality and life expectancy of the service that you deserve. Our second coat ensures your ducts have a solid coating and allows us to confidently stand behind our 15-yr. warranty.

Absolutely, and we offer bundled pricing to bring down the costs.

We are in the process of setting up a financing option, stay tuned.

Duct Armor has been used in thousands of applications across the country. These include homes, estates, banks, office buildings, high rises, restaurants, schools, and universities. Regardless of the problem that brought Duct Armor to their attention, every one of our customers are appreciating the benefits of improved infrastructure, great indoor air quality and reduced energy costs as a result of implementing the Duct Armor Solution.

Approximately 90% of our lives are spent indoors. If you have noticed any negativity with your air quality, call us today. The long-term effects of breathing asbestos, radon, mold or bacteria could have severe health implications.