New Roof Coverings

Advantage comparison table

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

 

© 2007 New Roof Coverings - Laatste update: October 14, 2008