News from A&L Shielding
Lead Lined Hollow Metal Frames
Many times customers have concerns about whether or not a frame needs to be lead lined on one side or completely lead lined. Door frames are normally lead lined on the door side of the jamb if the lead in the wall is on the same side of the partition (refer to our Type 1
Read MorePositive Pressure Fire Labels
The 1997 revision of the Uniform Building Code (UBC) includes a requirement for Fire Door Assemblies to be tested in a manner which more closely duplicates observations made in room fire experiments and which also corresponds to the test levels already specified in most international jurisdictions. When a fire starts in a closed room, heat
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