Excessive premature frame rusting is caused by improper jobsite installation practices and most likely caused by the following circumstances:
Grout:
Frames are grouted in place using incorrec...
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 ...