Mason Frame
(Ladder Frame / H-Frame)

Mason Frame Specifications

Product Type
Mason frame / ladder frame / H-frame

Material Grade
Structural steel, available in Q195, Q235, or Q355

Frame Design
Ladder-style frame with built-in access rungs

Main Tube Outside Diameter (OD)
42.7 mm (1.68 in) or 48.3 mm (1.90 in)

Wall Thickness
2.0–3.2 mm

Standard Width
1,524 mm (5 ft)

Standard Height
1,524 mm (5 ft) or 1,930 mm (6 ft 4 in)

Locking System
Drop lock, flip lock, C-lock, or slide lock

Surface Finish / Protection
Galvanized, powder coated, or painted