该地区窗膜需求的驱动因素
眩光是由明亮窗户与周围墙壁之间的高亮度对比引起的。窗膜通过降低峰值亮度而不消除自然光来减少这种对比。
加州Title 24能源法规为新建筑设定了最低窗户性能标准。窗膜可以使旧房达到并超过这些标准，费用仅为更换窗户的一小部分。
低辐射改装窗膜 的工作原理
窗膜双向发挥作用：夏季减少太阳热量增益，冬季帮助保留室内热量——使其成为全年性能升级。
陶瓷膜是高端选择：非金属、信号透明，高效阻挡太阳能。比标准膜贵20-40%，但提供更优越的清晰度和更长的使用寿命。
为什么窗膜是您家的最佳选择
Brady Riding Program 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
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