RD-300-85

IRMA Roof Drain

  • Specified for IRMA roof systems
  • Two-stage drainage
  • UV stabilized self-locking dome
  • Studs locate membrane penetrations for flashing

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA