Copper – the most costly all things considered, the material is delightful and is commonly utilized in littler spots. In spite of the fact that inclined to enduring to a green shading with time, it is impervious to erosion and shouldn’t be painted. It has an incentive in reusing.
Aluminum-A very favored decision – it is lightweight, strong, flexible, pliant and erosion safe. It has a light reflectivity of over 80% and is utilized to a lot in modern structures. One needs to evade coordinate contact with unique metals, cement or mortar; and dampness ensnarement amid capacity to abstain from recoloring.
Zinc-Resistant to erosion, it’s sturdy and can be reused. The main drawback is the pricey beginning expense.
Steel – One of the most widely recognized, steel is a modest material. Its quality and its avoidance from rusting by utilizing a zinc covering, a sealant or some paint are a portion of its focal points. Steel sheets for rooftops can be fabricated from shading covered Galvanized, Soft Steel and High Tensile Steel.
Titanium-It has high quality, is light weight and is safe to barometrical erosion
Tin-Commonly found in Indian private metal material they are an extraordinary counteractive action from the breezes.
Tempered Steel – With a radiant completion it needn’t bother with any additional coatings, yet its implicit enemy of eroding properties make it costly. After establishment, the surface should be cleaned to expel defilements that can prompt surface erosion. Space outlines are well known in tempered steel.
Excited Steel – It is steel covered with zinc which is frequently utilized in business and mechanical applications. It is affordable, can come in direct contact with cement and workmanship, is light weight and solid. It should be protected with bituminous covering if it will come in direct contact with copper.
Combinations – Different metal composites are useful for metal material; the expense anyway relies upon what the compounds comprises of. Terne metal is light weight, solid and has low extension however it can’t be nailed through metals and should be painted not long after establishment. Additionally, it should be prepared on the two sides previously establishment. At that point there are composites like galvalume or zincalume which are all the more broadly utilized as a base metal under production line covered hues.