Such a composition

Metroroman is perfect for reconstruction of old roofs due to a high profile. It is indispensable where you need to recreate a historical appearance, while reducing the load on the supporting structures. It should be noted that the sheet has become the basis for the roof, is processed by a unique composition against corrosion Galvalum, which is a mixture of aluminum, zinc and silicon. Such a composition protects steel better than processing with a conventional alloy alloy and allows the manufacturer to give a long guarantee.