As for the wide usage of Stone Coated Metal Roofing Sheet in India, there are many house owners will confuse which thickness they should use for house. In India, 0.45mm AZ150 is highly recommend, not only because of its service life for 50 years, but also its excellent function in India Monsoon climate.
Climate factor is the very first concern when choosing the suitable roofing sheet.
The monsoon climate has a significant impact on metal roofing sheet, so we will make an detailed analysis about why 0.45mm AZ150 is the most suitable one for Indian monsoon climate.
(monsoon climate)
(rainfall map)
1. Heavy rain and humidity
The monsoon climate brings the heavy rain and cause high humidity, which is the biggest challenge for the roof, for example, roofing sheet washed away by the rain, or affecting the corrosion resistance of roofing sheet.
(monsoon brings heavy rain)
(rusted metal roofing sheet)
What Sangobuild does?
Use the 0.45mm AZ150 will not have this concern as its high aluminum zinc content will increase its corrosion-resistance; For this one, we also have a written warranty and SGS test report for its AZ150.
Besides, high humidity also brings the algae on the traditional roof, but the stone we use have the function of Anti-Algal. Therefore, there is no need to worry about the algae grows on our stone coated metal roof.
2. Temperature Changes
The monsoon climate also brings temperature changes, which affects the thermal expansion and contraction of metal roofing sheet.
In this case, 0.45mm AZ150 have excellent function of heat resistance, which can bear up to 300 degree centigrade.
(tensile test result from SGS)
3. Sunlight
The intensity of sunlight in the monsoon climate is very high, could reduce normal metal roofing sheet’s service life.
Sangobuild's metal roofing sheet also solve this problem. The stone coated metal roofing sheet have the function of heat insulation. The metal roofing sheet is coated with stone which is naturally taken from the quarry, could stand high temperature and reflect the sunlight, with stone coated surface, the metal roofing sheet could cool down the house for almost 5 ℃ in summer.