•
RF windows should be purchased as window/frame units with an STC rating obtained from
laboratory testing per ASTM standards. STC 50 to 60 windows are needed. The installation
must include proper sealing to avoid sound leaks.
•
RF doors should be selected to provide an STC 50 to 60 to quell the noise. Contact RF
Shield Room supplier for selection of RF doors that meet the local acoustic codes and site
acoustic requirements. RF door seals must be selected to prevent small gaps around the
door perimeter and at the door threshold. RF door seals would either require periodic
replacement or a door seal that would last the life of the Magnet Room.
SIGNA Voyager Pre-Installation
Direction 5680008–1EN, Revision 2
Chapter 7 Appendix 171
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