Manson AK Air Duct Board

Alley Kat Air Duct Board – Thermal and acoustical board

  • Low installed cost
  • Thermal and acoustical properties
  • Very adaptable product used in the commercial and residential air handling market

Glass Mineral Wool Thermal & Acoustical Insulation

ALLEY KAT AIR DUCT BOARD™ is a rigid glass mineral wool board faced on one side with a foil-scrim-kraft (FSK) vapor retarder and with a lightweight black fiber glass mat on the airstream surface. It is used to fabricate rectangular or Max10 air duct systems. The product is offered in two stiffness ratings, EI-475 and EI-800. Both types are available with butt edge or factory molded male-female shiplap edges. The airstream surface of Manson Alley Kat Air Duct Board is treated with an EPA registered, anti-microbial agent that prevents growth of mold, fungus or bacteria in accordance with ASTM C1071, G21.


Manson Alley Kat Air Duct Board™ is designed for commercial and residential air handling installations for cooling, heating or dual-temperature service where good temperature control and noise absorption are required.

Product Description


  • Greenguard Certification
    Over 50% post-consumer recycled glass
    This product is tested and certified to meet EUCEB requirements.
  • Surface Burning Characteristics
    – UL listed
    – Does not exceed 25 Flame Spread, 50 Smoke Developed whetested in accordance with ASTM E 84, CAN/ULC S102-M88, NFPA 255 and UL 723
  • Flexural Rigidity
    – Available in two stiffness values: EI-475 and EI-800
    – Flexural rigidity (EI) is the product of Young’s modulus of elasticity (E) and moment of inertia (I) as determined in accordance with NAIMA AHS-100-96
  • Temperature Limitation (ASTM C 411)
    – Up to 250°F (121°C)
  • Air Velocity (UL 181)
    – Maximum 5000 fpm (1524 mpm)
    – Tested to 12,500 fpm (3810 mpm)
  • Internal Static Pressure (UL 181)
    Maximum ±2” water (498 pascals [Pa])
  • Water Vapor Transmission (ASTM E 96, Procedure A)
    Less than 0.02 perms
  • Water Vapor Sorption (ASTM C 1104)
    Less than 5% by weight
  • Microbial Growth (ASTM G 21, UL 181)
    Does not promote or support the growth of mold, fungi or bacteria

Manson AK Air Duct Board Technical Data Sheet

Manson AK Air Duct Board Safety Data Sheet