There are several door manufacturers that have achieved a 90 minute UL Fire listing as shown.
Von Duprin CVC with Marshfield Wood Door: Von Duprin is pleased to announce that Marshfield has s...
Masonry T anchor are approved for fire rated frames up to 3 hours. T Anchors are shipped lose for field installation.
Anchor construction: The T portion and the strap do have minimum dimensions th...
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 ...