PVC roofing tiles are an ideal roofing material due to their consistent value for money. Impact resistance is a key factor; reputable manufacturers ensure the tiles do not crack easily at low temperatures by adding modifiers and impact modifiers, whereas small manufacturers often use recycled materials, resulting in poor impact resistance. When selecting a manufacturer, you should request test reports and pay close attention to the impact strength data. The national standard requires a minimum of 10 joules, while high-quality products can reach 15 joules...
