The environment of the farm is relatively humid and corrosive. roofing material used in farms need to have anti-corrosion, waterproof, heat preservation, heat insulation, environmental protection and other characteristics. In recent years, a new type of environmentally friendly building materials, PVC roof sheet has appeared.
In the past few years, color steel tiles are commonly used roofing material in farms, but because the color steel tiles themselves have very poor anti-corrosion performance, they are easy to corrode and rust, and often have problems such as water leakage and maintenance, and poor heat insulation performance. Worry-free; a few years ago, asbestos tile was also a commonly used tile for farms, but asbestos tile has poor durability and releases carcinogenic harmful substances. It is an internationally recognized obsolete building material.