Curb Adapters

Adapter Curb - Image


Adapter curbs can be customized for any existing roof curb of an original roof top HVAC unit to transition both supply & return air, as well as the dimensions and weight of new unit. These curb adapters are fully assembled with return and supply duct transitions and gasket materials for airtight RTU installation.


  • Material: 16 Gauge Galvanized Steel
  • Height: As Required
  • Insulation: 1" 3# density fiberglass (As required)
  • Fully Welded - Mitered corners
  • All welds coated after fabrication
  • Fully assembled with return and supply duct transitions.
  • Designed for absolute positive water runoff
  • Gasket material included for airtight RTU installation