Ventilation Equipment · Make-Up Air

MUA replacement on existing curb

Make-up air unit — Existing roof curb

ConnectionCurb adapter + supply duct
SupportVerified curb/adapter

How to install it

  1. 1

    Verify old curb dimensions/load

  2. 2

    install engineered adapter

  3. 3

    inspect duct

  4. 4

    set new unit

  5. 5

    reconnect utilities/controls

  6. 6

    seal

  7. 7

    commission.

Quality check

  • Adapter weather-tight, load approved, openings aligned

Stop and verify

Stop if curb or roof structure cannot support replacement