Thank you for your question on the model RDM1 radiation damper. The RDM1 is designed for use with numerous InVent Series Fan and Fan/Light models, in 1, 2 and 3 hour rated floor-ceiling and roof-ceiling constructions. It is designed to be mounted in the ceiling with all standard ceiling framing materials. There are no restrictions for use with metal studs only. Please contact the Technical Service Department at 888-336-6151 if you need further assistance.
Date published: 2015-11-04