Catalog
Commercial Rough Opening & Handing
HollowMetal Frames: Knocked Down Drywall Frame
Width: Height:
Nominal Opening Size + 2" Nominal Opening Size + 1"
Welded Frame in Block or ConcreteWall 2" Head Height
Width: Height:
Nominal Opening Size + 4 3/8" Nominal Opening Size + 2 3/8"
4" Head Height
Width: Height:
Nominal Opening Size + 4 3/8" Nominal Opening Size + 4 3/8"
January 2023
149
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