Window Size
The thickness of the window frame is 110 mm with an approximate glazed weight of 126 kg/m2
This is a double glazed window especially suited to exterior applications where increased thermal insulation is required.
Glazing Type | Maximum Glazed Area | Max Height (mm) | Max Width (mm) | Frame Type | | Fire Rating |
Timber | Steel |
Pyrostop 52 (Interior) | 3.282 m2 | 2370 | 2370 | | √ | -/120/120 |
Pyrostop 56 (Exterior) | 3.282 m2 | 2370 | 2370 | | √ | -/120/120 |
Notes:
- Sizes noted above are the clear view.
- All glazing is Grade A safety glass
Sizing Rules
The maximum allowed clear view is 3.282 m2. Height or width can go up to 2370 mm but will be limited by the overall clear view. Multiple panes may be joined by transoms/mullions. Total overall frame height is 3015 mm. There is no overall width limitation.
Wall Types
The Pacific Steel Fire Window -/120/120 is suitable for installation in timber or steel stud plasterboard walls and masonry fire rated walls. Walls to be fire rated to minimum -/120/120 by others.
The standard installation method for steel or timber stud walls is by 12g screws at max. 450 mm centres.
The standard for Masonry installation is M8 Excalibur screwbolts (or similar) at max. 450 mm centres. No fasteners are exposed to weather or attack face.
Finish
Standard preparation for interior use is powder coating.
Standard preparation for exterior use is sandblasting followed by zinc arc spray (15 year weatherability grade) to frame.
Unit can be delivered with a powder coat finish or primed ready to paint.
Frame Types & Profiles
Steel Frame
The frame is made from 1.5 mm cold formed steel box sections.

For more in depth information on frame profiles and sizes, please see our Installation Instructions.