Protection/
Benefits |
New
Roof Coverings |
Metal
tiles |
Concret |
Fibre
Cement |
Shingles |
| Weight |
+/- 6 - 7.5kg/m² |
+/-7- 8 kg/m²
|
+/- 50kg/m² |
+/- 40kg/m²
|
+/-14 - 20kg/m² |
| Fire |
Class A
rated material |
Class A
rated material |
Class A
rated material |
Class A
rated material |
Class A
rated material |
| Corrosion |
Non corrosive |
Corrosive |
Non corrosive |
Non corrosive |
Non corrosive |
| Wind |
120 mph warranty
fixed with screws for extra hold |
120 mph warranty |
Warranty does not cover wind damage |
75 mph warranty |
60 to 110 mph warranty with some special
restrictions |
| Hail Resistant |
Class 4 impact
resistant
Warranted against hail penetration. |
Class 4 impact resistant
Warranted against hail penetration. |
Cracks very easily, hail can cause severe
damage.
Warranty doesn't cover any hail damage. |
Class 4 impact resistant
Warranty does not cover any hail damage. |
Class 4 impact resistant
Warranty does not cover any hail damage. |
| Snow / Ice
/ Water |
Freeze/thaw resistant
No risk to water penetration at fixing. |
Freeze/thaw resistant |
Not waterproof, When wet will absorb
15% of weight in water. |
Freeze/thaw resistant |
Freeze/thaw resistant |
| Earthquake |
Lightweight + added
shear strength
No injury or cuts |
Moderated weight + added shear strength |
Moderate to heavy weight, making roof
likely to collapse |
Moderate weight
No added Strength |
Lightweight
No added Strength |
| Warranty |
10 year warranty |
20 year limited warranty |
25-30 year limited warranty |
20 year limited warranty |
25-30 year limited warranty |
Environment-
Friendliness |
Very environment-friendly
Made out of recycled material with an environment-friendly
production process
No tear-off needed |
Environment-friendly
Steel is arecyclable resource
Often no tear-off needed |
Not environment-friendly
Tear-off is required |
Not environment-friendly
Tear-off is required |
Not environment-friendly
Tear-off is required |
| Life Cycle
Costs |
Low life cycle
costs
Lifespan is 2-3 times longer than other roofing products |
Medium low life cycle costs |
High costs
Lifespan is 25-40 years |
High costs
Lifespan is 25-40 years |
High costs
Lifespan is approx. 20 years |
| Fixation |
With screws for
extra wind resistance |
With nails |
No fixation |
With screws |
With nails |
| Installation |
DIY/professional
Special easy to install system |
Professional |
Professional |
DIY/professional |
DIY/professional |