The cells are built by using a transparent optical layer down below the glass (to Allow Sunlight in) but search opaque when considered from the bottom underneath. This will make for a far more modern day, seamless aesthetic than solar shingles or tiles from CertainTeed or SunTegra. ถาม: พื้นที่ติดตั้ง ควรจะรับน้ำหนักได้เท่าไรครับ? https://kpsolarlight.com/