Select a roofing material below to find out what the pros and cons are. Alternatively, for an easy-to-use illustrated benefits list of GERARD.
|
Material |
PROS |
CONS |
|
Concrete tiles
#1 |
Do not corrode Low rain noise Easy to replace a tile in a run Can collect rainwater from your roof
|
Heavy Need increased structural supports Minimum pitch Not resistant to extreme winds Only secured at one point in the top of the tile, so can lead to water getting in Can crack over time Vulnerable to hail damage from hail above 30mm in diameter High cost for transportation Limited possibility for recycling Need snow-stoppers |
|
Clay tiles
#2 |
Look great when new Bold shape Do not corrode In buildings under monumental protection takes precedence Can collect rainwater from your roof |
Heavy Expensive Accessories Not resistant to extreme winds Crack easily Lose water tightness Vulnerable to hail damage from hail above 30mm in diameter High cost for transportation Limited possibility for recycling Need snow-stoppers |
|
Pressed steel tile
#3 |
Lightweight Minimum roof pitch 12° Strong under high wind Resistant to hail 50 year durability Small modules mean it’s easy to replace the roof without opening up the whole roof Easy to replace a tile in a run Colour fast Able to be cut Choice of colours Easily painted over Can collect rainwater from your roof Suitable for areas with high winds, large temperature variations and even smaller earthquakes No need for snow-stoppers |
Need to avoid contact with dissimiliar metals (contact with certain types of metal may lead to corrosion) Always require new battens |
|
Longrun steel (like corrugate) #4
|
No joins from ridge to gutter Lightweight Able to be cut Can be curved Choice of colours Different substrates (material & coating that your roof is made from) available to suit different environments Easy to install Concealed clip fixing systems available Can collect rainwater from your roof |
Min roof pitch 3° (7o) Need to avoid contact with dissimilar metals (contact with certain types of metal may lead to corrosion) Entire old roof needs to be removed before new roof installed Warranty max 10 years Need snow-stoppers |
|
Asphalt shingles #5 |
Distinctive look Does not corrode in salt air Possibility of overlaying |
Must be laid on a ply substrate Costly Lose glue adhesion over time Blow off in high winds Unproven long term in aggressive environment Vulnerable to hail damage High maintenance Not for areas with large temperature variations Limited life time |
|
Fiber cement #6 |
Not need to require a new battens Cheapest Lightweight Min roof pitch 7°
|
Vulnerable to hail damage from hail above 30mm in diameter Limited life time Need snow-stoppers Complex roof shapes can not be done Dangerous waste – expensive disposal |
