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。
加州的耐旱景观趋势减少了许多社区的遮荫树覆盖。以前依赖成熟树木进行太阳能遮荫的家庭现在是窗膜的理想候选者。
太阳能控制窗膜 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
Northeast Portland in Gresham has a local mix of solar exposure, window construction, and residential cooling needs. 太阳能控制窗膜 is one of the available solutions for this climate profile.
Effective against Gresham'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
安排安装的最佳时间是早上，在玻璃加热之前。热玻璃会导致滑动溶液蒸发过快，使膜难以正确定位。
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