

Knauf Insulation R-6.9 FSK-Faced Fiberglass Duct Wrap, 2 in. x 24 in. x 15 ft (30 sq ft)
R-6.9 FSK-Faced Fiberglass Duct Wrap, 30 sq ft
FSK-faced fiberglass duct wrap designed to insulate HVAC ducts and control condensation. The 2-inch-thick blanket delivers R-6.9 thermal performance in a compact 24-inch by 15-foot roll for quick jobs and spot wraps.
Key Features:
- Energy-Saving Thermal Performance: 2-inch thickness delivers R-6.9 to help reduce heat loss and operating costs
- Moisture Control Facing: Durable FSK vapor retarder minimizes condensation on cold ducts
- Flexible, Easy Handling: Cut-to-fit blanket format installs quickly on round or rectangular ducts
- Acoustical Damping: Fiberglass blanket helps reduce HVAC noise for quieter operation
- Compact Coverage: 24 in. x 15 ft roll provides 30 sq ft—ideal for small runs and repairs
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Fiberglass duct wrap |
| Facing | FSK (foil-scrim-kraft) vapor retarder |
| R-Value | R-6.9 |
| Thickness | 2 in |
| Roll Width | 24 in |
| Roll Length | 15 ft |
| Coverage Area | 30 sq ft |
| Intended Use | HVAC duct thermal and condensation control; acoustical damping |
| Form | Flexible blanket roll |
Frequently Asked Questions (FAQ):
Q: What ducts can this be used on?
A: Suitable for rectangular or round supply and return ducts in residential or light commercial HVAC.
Q: How is it installed?
A: Wrap the duct with the FSK facing outward, overlap seams, and secure with staples and foil HVAC tape; seal all joints.
Q: Is this suitable for condensation control?
A: Yes. The FSK facing acts as a vapor retarder to help control condensation when seams are sealed.
Q: Can it be combined with other insulation?
A: It can supplement existing insulation where space allows; do not compress excessively as it reduces R-value.
Q: What is the roll coverage?
A: 30 square feet per roll (24 inches wide by 15 feet long).
Quiet Comfort, Wrapped in Precision
This foil-kissed duct wrap brings a refined, technical elegance to the unseen parts of your home, streamlining energy use while softening mechanical noise. The crisp FSK sheen is a subtle detail that speaks to performance and polish. Use it to neatly finish exposed mechanical runs in utility rooms for a visually clean, purposeful look. It’s a small upgrade that delivers the quiet, efficient luxury every space deserves.
Upgrade your ductwork with R-6.9 FSK-faced wrap today for fast energy savings and quieter comfort.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
R-6.9 FSK-Faced Fiberglass Duct Wrap, 30 sq ft
FSK-faced fiberglass duct wrap designed to insulate HVAC ducts and control condensation. The 2-inch-thick blanket delivers R-6.9 thermal performance in a compact 24-inch by 15-foot roll for quick jobs and spot wraps.
Key Features:
- Energy-Saving Thermal Performance: 2-inch thickness delivers R-6.9 to help reduce heat loss and operating costs
- Moisture Control Facing: Durable FSK vapor retarder minimizes condensation on cold ducts
- Flexible, Easy Handling: Cut-to-fit blanket format installs quickly on round or rectangular ducts
- Acoustical Damping: Fiberglass blanket helps reduce HVAC noise for quieter operation
- Compact Coverage: 24 in. x 15 ft roll provides 30 sq ft—ideal for small runs and repairs
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Fiberglass duct wrap |
| Facing | FSK (foil-scrim-kraft) vapor retarder |
| R-Value | R-6.9 |
| Thickness | 2 in |
| Roll Width | 24 in |
| Roll Length | 15 ft |
| Coverage Area | 30 sq ft |
| Intended Use | HVAC duct thermal and condensation control; acoustical damping |
| Form | Flexible blanket roll |
Frequently Asked Questions (FAQ):
Q: What ducts can this be used on?
A: Suitable for rectangular or round supply and return ducts in residential or light commercial HVAC.
Q: How is it installed?
A: Wrap the duct with the FSK facing outward, overlap seams, and secure with staples and foil HVAC tape; seal all joints.
Q: Is this suitable for condensation control?
A: Yes. The FSK facing acts as a vapor retarder to help control condensation when seams are sealed.
Q: Can it be combined with other insulation?
A: It can supplement existing insulation where space allows; do not compress excessively as it reduces R-value.
Q: What is the roll coverage?
A: 30 square feet per roll (24 inches wide by 15 feet long).
Quiet Comfort, Wrapped in Precision
This foil-kissed duct wrap brings a refined, technical elegance to the unseen parts of your home, streamlining energy use while softening mechanical noise. The crisp FSK sheen is a subtle detail that speaks to performance and polish. Use it to neatly finish exposed mechanical runs in utility rooms for a visually clean, purposeful look. It’s a small upgrade that delivers the quiet, efficient luxury every space deserves.
Upgrade your ductwork with R-6.9 FSK-faced wrap today for fast energy savings and quieter comfort.






















