The revisions for UL 723 dated September 13, 2010 were issued to update the Title Page to indicate the latest approval date as an American National Standard and to include the proposals dated July 9, 2010. The following revisions were made:
• Added a mounting method for reflective insulation.
• Modified the temperature and humidity of air supply.
• Revised requirements to allow for conducting calibration tests in either order.
• Added more detail for reinforced cement board used.
• Added specific details on metal rods, when used for mounting.
• Modified Sections 6.3, 9.2(b) and added new section 7.3, Test Data For Ceiling and Floor Values.