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“ overhead stop on STC ”

RELATED FAQS

Resolution: STC stands for Sound Transmission Class. An STC (Sound Transmission Class) is a single number rating system derived from measured values of sound transmission loss in accordance with ASTM E90...:

What is a Cam Lift Hinge?

Resolution: Cam Lift Hinges are specially designed hinges used mainly on acoustical door assemblies. The Cam Lift Hinge lifts the door during its travel and seats the door bottom for a pos...:

Can a 4110 EDA and a Glynn Johnson 100 be used together?

Resolution: A special template is not needed, the closer drops down far enough on the door where it does not conflict with the GJ100 series concealed overhead stop. :

Can a Glynn Johnson 90 stop be used with a top jamb mounted 4040?

Resolution: A 4040-18G drop plate will be needed to drop the closer and arm down far enough not to conflict with the GJ 90 series overhead stop.:

Can a 4040 regular mount installed on the pull side and a Glynn Johnson 90 be mounted together?

Resolution: The LCN 4041/4040XP and the Glynn Johnson 90 series can be mounted in conjunction with each other without a special template. The 4040 door closer is on the pull side of the door and the GJ 90 is ...: