Stravilink PRJ* spring isolation joist hangers are designed to support suspended ceiling systems off joist structural floors, optimizing sound insulation between vertically stacked rooms.

Standard hangers spring hangers are:

• Stravilink PRJ-80: 5-10 kg per hanger
• Stravilink PRJ-250: 10-35 kg per hanger
• Stravilink PRJ-500: 25-60 kg per hanger

Main Benefits

• Natural frequency at design load around 4Hz
• Can be used to hang down most suspended ceiling systems
• Steel elements are zinc plated
• Bespoke hangers can be manufactured to meet specific loading and natural frequency requirements on request
• System comes with perimeter isolation strip to isolate the perimeter of the ceiling from the surrounding structures

Design Requirements

• Weight and construction of the supported ceiling (determine the type of hanger)
• Weight of any elements supported off the suspended ceiling or directly off a hanger
• Required void between the supporting soffit and the suspended ceiling

*Previously known as CDM-PRJ