Duct Armor
by Duct Armor
Last updated Mar 29, 2026 · 2 revisions
Liquid rubber duct sealant applied through vents that hardens to seal leaks and can encapsulate asbestos and mold.
Highlights
Media

About This Product
Duct Armor is a thick, rubber-like liquid sealant applied non-invasively through home vents that hardens to seal duct leaks and protect against further damage. Improves energy efficiency by up to 90%, works on inaccessible ducts, and can safely encapsulate asbestos, mold, and other contaminants without requiring system replacement. Seals holes smaller than 5/8 inch.
Capabilities
How this product is delivered and what's included out of the box.
- Mobile app
- Not available
- Free trial
- No
- Free tier
- No
- Public API
- No
- Deployment
- On Premise
FSH Score Breakdown
Customer Reviews
Features
Compliance & Safety4features
Mobile & Field Tools3features
Technician Management2features
Scheduling & Dispatch1feature
Estimating & Quoting1feature
Equipment & Asset Management1feature
Training & Education1feature
Pricing
- Model
- Quote Only
- Starting at
- $3,500/mo
- Notes
- Duct Armor is a spray-on rubberized duct lining system installed by certified contractors. Consumer pricing: $3,500-$30,000 depending on system size, duct condition, and accessibility. Typical residential jobs: $5,000-$9,000. Small/basic systems start at ~$3,500. The product creates a 1/4-inch thick rubberized liner inside existing ductwork that seals leaks, stabilizes old fiberglass, and eliminates odors. Installation typically completed within one business day. Contractor certification/equipment costs not publicly listed.
Similar Duct Sealing Services Tools
Compare all →Other tools in the same category. Compare to find the best fit.
Retrotec DucTester
Retrotec
Professional duct leakage testing equipment for HVAC contractors and energy auditors with 30+ years of precision.
RCD #6 Mastic Duct Sealant
RCD Corporation
Fiber-reinforced, UL-listed water-based mastic preferred by professional HVAC and weatherization contractors nationwide.
McGill AirSeal Uni-Mastic 181
McGill AirSeal
Professional-grade duct sealer formulated for low-, medium-, and high-pressure commercial and industrial duct systems.
Vent Cap Systems Duct Testing Supplies
Vent Cap Systems
Complete duct leakage testing supplies including duct blasters, vent caps, and HERS rating equipment for contractors.