Looking for Archived Data on H.H. Robertson Wall Panel

[jheidt2543]

I'm working on a remodeling project for an 1955 heavy industrial building. I have the original drawings! There is a note on one of the wall sections that calls out "H.H. Robertson 2Hr. Firewall" as the wall panels. The section does not call out a wall thickness, but it looks to be 3" or 4". Does anyone know where I might find product information for this wall panel?

 

[SteelSlugged]

I would give them a call. Have them put you in touch with someone in their sales department.

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