The LCN closer fluid "Liquid X" will perform without variation between:
-30° F to +120° F - for manual closers.
+35° F to +120° F - for electrical closers and automatic operators.
At around ...
Steelcraft offers all the standard lights as well as special size glass lights in the H-series door. Effective April 1, 2012, (Bulletin # B-100.12) the default for Dezigner Trim in H-Series Doors...
HH hurricane rated devices usually have a deferent strike and fire rated mullion.
Standard 98/99 series exit devices can be converted to HH by changing the strike and mullion on pair of doors.
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There are several Schlage and/or Falcon locks that have been tested and approved for this application.
For Commercial use the locks have been tested and approved as assemblies wit...
The 3130 Series closer is UL listed- Fire Rated (UL-10C) for up to 3 Hr.The Door and Frame Manufacturer needs to be contacted to verify their Door/Frame rating would not be compromised wh...
To correctly answer this question, we need to know how much more force is required to get the door closed. They could try turning the Rod & Shoe over (short side of shoe towards the hinge), or they...
A 4110 with AVB (advance variable back check) would be recommended. Using a SCUSH (Spring Cush) arm will also help minimize shock to all door hardware.