Features:

• 1-piece standard; welded at mitred corners before installation Also available 3-piece (knock down) steel frame for field assembly; including 1 head, 1 hinge jamb, and 1 strike jamb
• Recommended for medium-high frequency, interior or exterior commercial, industrial, and residential applications
• Manufactured from hot-dipped, commerical quality, paintable galvanneal steel, or G90 (Z275) steel
• Manufactured from 16 gage (1.5mm), 14 gage (1.9mm), or 12 gage (2.7mm)
• For use with 1 3/4″ (44mm) thick doors standard, available to suit other door thicknesses
• Anchors available to suit most types of wall construction
• Available in 3 3/4″ (95mm) through 13″ (330mm) back opening for 16, 14, or 12 gage
• Available in opening sizes 1’6″ – 4’8″ x 3’0″ – 10’0″ (single opening), and 3’0″ – 9’4″ x 3’0″ – 10’0″ (double opening)
• Mitred corners on 3-piece frame, welded on 1-piece frame
• Available fire-labeled up to 3 hours (Class A Label)