The F Series three-sided flush frames meet requirements for light- to maximum-duty applications for interior and exterior locations in commercial and industrial buildings. They are designed for installation as part of the wall framing sequence and may be specified and supplied as knock-down (KD) for field assembly prior to installation or welded for installation as a complete unit.
The FN Series three-sided flush narrow 1” (25mm) face frames meet requirements for light- to extra heavy-duty applications, while providing a slender, aesthetic face dimension.
A die-mitered corner connection includes four corner tabs designed with concealed connection, eliminating need for continuous profile welding.
Structural strength and ease of installation
Attractive, tight and closed die-mitered corner connection; miter includes four corner tabs designed with concealed connection, eliminating need for continuous profile welding
FN Series: narrow 1” (25mm) face provides slim appearance to door opening
Patented universal hinge preparations allow for easy field conversion from standard-weight .134” (3.3mm) thick hinges to heavyweight .180” (4.7mm) hinges
F Series: adjustable base anchors allow for installation adjustment when floor is not level
Factory prepared for field-installed silencers
Exceeds industry standards
Overall frame construction meets and exceeds ANSI A250.8-2003 (SDI-100)
Hardware preparations and reinforcements meet ANSI A250.6-2003