| Type | Material Thickness | Weight (kg/m²) | Min Pitch | Lifespan (years) | Cost/m² |
|---|---|---|---|---|---|
| METAL | |||||
| Colorbond® Steel | 0.42-0.48mm | 4.5-5.0 | 2° | 30-50 | $$ |
| Zinc | 0.7mm | 5-7 | 3° | 50-100 | $$$$$ |
| Copper | 0.6-0.7mm | 5-7 | 3° | 70-100+ | $$$$$ |
| Aluminum | 0.7mm | 3-4 | 2° | 40-50 | $$$ |
| TILES | |||||
| Concrete | 20mm | 50-65 | 15° | 40-50 | $$ |
| Terracotta | 20mm | 45-55 | 15° | 50-100 | $$$ |
| Slate (Natural) | 5-6mm | 25-30 | 20° | 80-100+ | $$$$$ |
| MEMBRANE | |||||
| PVC | 1.2-2.0mm | 2-3 | 1° | 20-30 | $$$ |
| TPO | 1.2-2.0mm | 2-3 | 1° | 20-30 | $$$ |
| EPDM | 1.2-2.0mm | 2-3 | 1° | 25-35 | $$$ |
| SPECIALTY | |||||
| Solar Tiles | 20mm | 55-70 | 15° | 25-30 | $$$$$ |
| Green Roof | System dependent | 80-200+ | 1-5° | 30-50 | $$$$$ |
Performance Characteristics:
Thermal Properties:
- Metal: High heat reflection (light colors)
- Tiles: Good thermal mass
- Membrane: Variable (color dependent)
- Green Roof: Excellent insulation
Noise Performance:
- Metal: Poor (needs insulation)
- Tiles: Good
- Membrane: Good
- Green Roof: Excellent
Weather Resistance:
- Wind Rating:
- Metal: Excellent
- Tiles: Good (if properly fixed)
- Membrane: Very Good
- Green Roof: Excellent
- Hail Resistance:
- Metal: Moderate
- Tiles: Good
- Membrane: Fair
- Green Roof: Excellent
Installation Requirements:
Support Structure:
- Metal: Light frame
- Tiles: Heavy duty frame
- Membrane: Solid deck
- Green Roof: Engineered structure
Maintenance:
- Metal: Low (periodic inspection)
- Tiles: Moderate (check/replace broken)
- Membrane: Low (annual inspection)
- Green Roof: High (regular gardening)
Cost Guide:
$ = Basic ($50-100/m²)
$$ = Standard ($100-200/m²)
$$$ = Premium ($200-300/m²)
$$$$ = Luxury ($300-500/m²)
$$$$$ = Ultra Premium ($500+/m²)
Environmental Impact:
- Recyclability
- Solar reflectance
- Energy efficiency
- Carbon footprint
Note:
- Prices exclude installation
- Local building codes apply
- Climate considerations needed
- Warranty varies by manufacturer
- Additional costs for flashings/accessories