Longline 305
A bold, concealed-fix profile with tall ribs and wide pans, perfect for striking architectural roofs and walls.
LYSAGHT LONGLINE 305® is designed for projects that demand impact and performance. With slender, high ribs and broad flat pans, it delivers a dramatic linear look and unique shadowing as sunlight moves across the surface. Its concealed fixing system ensures superior weathertightness and a clean, uninterrupted finish.
Versatile in application, LONGLINE 305® can be installed straight, fluted, or tapered to achieve bold architectural effects, including fan-shaped or curved roof designs. It is ideal for commercial buildings, industrial facilities, and high-end residential projects seeking distinctive roof-to-wall transitions with maximum performance.
- Concealed-fix system – no exposed fasteners, maximum weather protection
- Nominal cover width: 305 mm
- Rib height: 48 mm
- Minimum roof pitch: 1°
- Available with plain or fluted pans, and can be tapered for fanned roof designs
- Supports roof-to-wall transitions and dramatic shadow effects
- Manufactured from COLORBOND® and ZINCALUME® steel
- Long lengths available (up to 30 m) for continuous runs
- Suitable for both roofing and walling applications
- Australian-made, compliant with local standards, and backed by warranties
Classic Colorbond Colours
Colorbond Ultra Colours
Colorbond Matt Colours
Technical Specifications – LONGLINE 305®
| Specification | Details |
|---|---|
| BMT (mm) | 0.70 |
| Mass (kg/m²) | 9.81 |
| Nominal Cover Width (mm) | 305 |
| Rib Height (mm) | 48 |
| Minimum Roof Pitch | 1° |
| Fixings | Concealed clip system |
Maximum Support Spacing (mm)
Roofing Applications
| Span Type | Details |
|---|---|
| Single Span | 1800 |
| End Span | 2000 |
| Internal Span | 2500 |
| Unstiffened Eaves Overhang | 150 |
| Stiffened Eaves Overhang | 450 |
Walling Applications
| Span Type | Details |
|---|---|
| Single Span | 2000 |
| End Span | 2700 |
| Internal Span | 2700 |
| Overhang | 450 |
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