8. SPECIFICATION CONCEPTS AND EXAMPLES –
COMMERCIAL INSULATION

SPECIFICATION EXAMPLES

8.3 INSULATION – DUCTWORK AND PLENUM

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Provide and apply insulation to ductwork and plenums in accordance with TIAC Mechanical insulation best practices guide Specification 1502, Ductwork and Plenum, as hereinafter specified and/or modified.

1. Scope – Externally Applied

– Outside Air Ductwork (Intake to Mixing Plenum): [__________] mm thick, – rigid insulation (with vapour retarder)

– Sheet Metal Air Conditioning Supply Air Ductwork: [__________] mm thick,

[__________] mm thick, rigid insulation (with vapour retarder) where exposed.

[__________] mm thick, – flexible insulation (with vapour retarder) where concealed.

– [__________]

Spec Note: Insert required thickness. Add other scope items as required.

2. Scope – Internally Applied

– Rigid Duct Liner: Mixed air plenum [__________] mm thick.

– Rigid Duct Liner: Filter/Coil plenum [__________] mm thick

– Rigid Duct Liner: Fan plenum [__________] mm thick.

– [__________]

Spec. Note: Insert required thickness for each scope item. Add other scope items as required.

Acoustic lining, where indicated or denoted as such on the drawings, use xx mm thick flexible duct liner.

Spec Note: Delete if not applicable. Insert thickness required.

3. Application – Rigid External (Duct and Plenum)

– Hot: Apply insulation in accordance with TIAC Specification CER/1.

– Cold: Apply insulation in accordance with TIAC Specification CER/2.

Spec Note: Delete item not applicable.

4. Application – flexible external (Duct and Plenum)

– Hot: Apply insulation in accordance with TIAC Specification CEF/1.

– Cold: Apply insulation in accordance with TIAC Specification CEF/2.

Spec Note: Delete item not applicable.

5. Application – Liner Internal (Duct)

– Rigid: Apply insulation in accordance with TIAC Specification CIR/1.

– Flexible: Apply insulation in accordance with TIAC Specification CIF/1.

Spec Note: Delete items not applicable.

6. Finishes – Rectangular Ducts

– Concealed Ducts: No further finish required.

– Exposed Ducts: Apply TIAC CRF/1 – Indoor (CRF/2 -– Indoor) (CRF/3 – Outdoor) (CRF/4 – Outdoor)

Spec Note: Select finish required. Delete finishes not applicable. Include finish for additional scope items as required.

7. Finishes – Round Ducts

– Concealed Ducts: No further finish required.

– Exposed Ducts: Apply TIAC CRD/1 – Indoor (CRD/2 – Indoor) (CRD/3 – Indoor) (CRD/4 – Outdoor) (CRD/5 – Outdoor ).

Spec. Note: Select finish required. Delete finishes not applicable. Include finish for additional scope items as required.