该地区窗膜需求的驱动因素
穿孔膜通过一个简单的光学原理实现单向私密性：白天室内比室外暗，因此图案从外面可见，但从里面是透明的。
加州内陆城市经历了全国最高的太阳辐照度之一。加上较旧的单层玻璃窗存量，这创造了对低辐射改装膜和太阳能控制膜的强烈需求。
低辐射改装窗膜 的工作原理
太阳能控制膜是住宅窗膜的主力产品。它在保持清晰视野和自然采光的同时，阻挡40-70%的太阳热量增益。
穿孔膜解决了朝街房间的私密性与采光权衡问题。微孔图案在白天从内部保持向外的视野，同时阻挡从外部的视线。
为什么窗膜是您家的最佳选择
Prado Group in San Francisco has a local mix of solar exposure, window construction, and residential cooling needs. 低辐射改装窗膜 is one of the available solutions for this climate profile.
Effective against San Francisco's high solar irradiance
Compatible with double-pane low-e glass
Professional installers available in your area
10–15 year manufacturer warranty
安装与费用
大多数窗膜制造商要求专业安装才能履行保修。DIY应用会使大多数高端产品的保修失效。
Install time
30–45 min per window
Typical cost
$150–$400 per window
Cure time
30 days full cure
窗膜类型对比
Burn pattern appears in a defined stripe or patch near a window
Damage is worst between 1pm and 5pm on sunny afternoons
The affected window is double-pane or energy-efficient
The burn pattern has shifted slightly over the past year
Turf replacement hasn't solved the problem — it keeps coming back