Crayflex® Insulated UL Semi Rigid Aluminum Flexible Duct is manufactured from Aluminum with interlocking seam which is extremely strong yet permits both bending and compression forces without leakage. These self-supporting Semi Rigid Duct designed to be bent into position and yet remain in place to meet heavy- duty applications. Compliant to UL181.

Description

• Insulation: R4.2, R6, R8
• Standard length: 8ft
• Standard Diameter: 3” to 12”
• Inner Core: The air duct is made entirely of aluminum that is twisted to form a continuous airtight lock-seam.
• Vapor Barrier: Glass Scrim reinforced metallized polyester jacket.
• Flame Spread: Less than 25
• Smoke Spread: Less than 50
• Code Compliance: UL181 Class 0 Air Duct.

Insulated UL Semi Rigid Aluminum Flexible Duct Product Sheet