final bid specs 09328.pdf - Freese and Nichols, Inc.

1. Material: Mineral-fiber blanket.
2. Thickness: 2 inches (50mm)
3. Number of Layers: One.
4. Field-Applied Jacket: None.
5. Vapor Retarder Required: Yes.
B. Service: Round and rectangular, return-air ducts, concealed.
1. Material: Mineral-fiber blanket. No insulation is required if duct is located in a return air
plenum.
2. Thickness: 2 inches (50 mm).
3. Number of Layers: One.
4. Field-Applied Jacket: None.
5. Vapor Retarder Required: Yes.
C. Service: Round and rectangular, outside-air ducts, concealed.
1. Material: Mineral-fiber blanket.
2. Thickness: 2 inches (50mm).
3. Number of Layers: One
4. Field-Applied Jacket: None
5. Vapor Retarder Required: Yes
END OF SECTION
Duct Insulation 23 07 13 - 6
DPR09328