RCD #6 Mastic Duct Sealant
by RCD Corporation
Fiber-reinforced, UL-listed water-based mastic preferred by professional HVAC and weatherization contractors nationwide.
4.5 - Fair
Custom · Contact for pricing
Visit website →
Media
www.rcdmastics.com
Overview
RCD #6 Mastic is a white, flexible, water-borne duct sealant used to permanently seal joints and seams of flexible air ducts, ductboard, sheet metal ducts, and thermal insulation. Available in 10.6 oz cartridges and 1-gallon pails, it meets all SMACNA seal classes and is the industry standard for residential duct sealing.
FSH Score Breakdown
Ease of Use 8.0
Features 5.0
Support 5.5
Value 7.5
Integrations 0.5
AI Capabilities 0.0
Customer Reviews
Key Features
| Feature | Value |
|---|---|
| Aerosol Sealing Technology | ❌ |
| Manual Mastic Application | ✅ |
| In-Place Sealing | ✅ |
All Features
| Feature | Value |
|---|---|
| Pressure Testing Compatible | ✅ |
| Fire Rated Certification | ✅ |
| Flexible Substrate Adhesion | ✅ |
| Low VOC Formulation | ✅ |
| Rapid Cure Time | ❌ |
| Large Scale Project Support | ✅ |
| Residential Only Compatible | ❌ |
Pricing
- Model
- Custom
- Starting at
- Contact for pricing
Need a website for your HVAC business?
Full Stack HVAC builds professional contractor websites that generate leads. Purpose-built for HVAC companies.
Build Your Website →Similar Duct Sealing Services Tools
Compare all →Other tools in the same category. Compare to find the best fit.
