Product Overview

Acoustic FLEXIBLE DUCTING
• Three ply mechanical airtight seam
• Manufactured from dead soft pure aluminum
• Perforated core
• ULC Listed
• Greater flexibility
• Exceptional strength
• Corrosive resistant
• Air tight and leakproof seam
• Vibration deadening properties
• Lightweight and self supporting
• Acoustic qualities
• Highly puncture resistant
• Thermal reliability
Triple Lock
™
T/L A
An insulated acoustic air duct, manufactured using a
dead soft perforated aluminum strip, spirally wound
and mechanically joined together. The inner duct is
draped with thick fiberglass insulation and covered
by a flame retardant, non-toxic polyethylene vapour
barrier. This ULC-S110 and UL-181 Class 1 rated
product uses a Triple Lock
™
(T/L basic) perforated
core with an open area of 20% to 25% to completely
cushion sounds, such as air movement and duct
vibrations.
Suggested Specification
Flexible duct shall be Triple Lock
™
T/L A by Flexmaster.
The duct shall be made of perforated dead soft
aluminum and manufactured in a manner to produce
a three ply mechanical airtight seam. The core will be
factory-wrapped with fiberglass insulation and covered
by a flame retardant, non-toxic polyethylene vapour
barrier. This flexible acoustic aluminum duct with be
listed in accordance with ULC-S110 and classified as
Class 1.
Core Material: Perforated aluminum core
Thermal Resistance: Available: R4.2, R6, R8
Maximum Rated Velocity: 20.3 m/s (4000 fpm)
Maximum Positive Pressure: 1.5 kPa (6 in. WC)
Maximum Negative Pressure: 0.25 kPa (1 in. WC)
Temperature Range: -40°F to +250°F ( -40°C to +121°C )
Bend Radius: 1½ x diameter
Available Sizes: 4” to 24”
Standard Lengths: 10ft
ULC Listing: Class 1 Connector
NOTE: This ULC Class 1 product has a flame spread rating of not over 25 without evidence of continued
progressive combustion and a smoke developed rating of not over 50.
Triple Lock
™
Thermal Duct
re v11.1 3
FLEXMASTER CANADA LTD
GROUP
N OVA F LEX
THE
®
Email: [e-mail]
Website: www.flexmaster.com
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