I am very interested in practical specifications for Multifamily and Commercial buildings  - larger than individual apartments.

Assuming a number of common area zones with high ACH, (lobby's, meeting rooms, dinning, corridors, stairs...)  how does one effectively specify performance air sealing? 

- RFP and contract wording...

- Target minimum % ACH reduction /zone  /average all zones.

- Incentives for higher ACH reductions 

- fire separations 

- utility risers

- before or after apartment air sealing

- other factors and conditions...?

Frank Lee

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