What are the pros and cons of applying reflective film to windows?

1. The advantages of applying reflective film to windows include privacy protection, preventing outsiders from peering inside, while still allowing some light to enter, unlike curtains. Additionally, window reflective film can reduce indoor lighting levels, block direct sunlight, and provide a certain level of heat and sound insulation.

2. Applying reflective film to windows also has its drawbacks. Firstly, it can negatively affect natural lighting, resulting in much lower indoor lighting levels compared to other films or untreated windows. Additionally, reflective film may reflect strong light, causing light pollution by redirecting light into neighboring households, potentially leading to dissatisfaction and neighborly conflicts. Moreover, reflective film typically provides one-way visibility, meaning that from the brighter side, you cannot see the darker side. However, in the evening with indoor lights on, the situation can reverse, allowing outsiders to see inside while those indoors cannot see outside.