Nanotextured Surface Dramatically Improve Solar Cell Efficiency. The Engineer posted on January 22, 2015 | | 4074 views. Reducing the amount of sunlight that bounces off the surface of solar cells helps maximize the conversion of the sun's rays to electricity, so manufacturers use coatings to cut down on reflections.
The main entry door must conform to IRC specifications. Exterior doors often are the most visible parts of a house and like interior doors, are available in standard sizes. They range in width from 2 feet to more than 3 feet, and in height from 6 feet, 8 inches to more than 8 feet. Standard thickness is 1 3/4 inches.
In houses, there are standard door sizes for your homeâs interiors and there are standard sizes for its exteriors. The standard door size for a homeâs interiors is approximately 1.2 meters by 1.2 meters. This is the typical size for a main door. Bathroom and bedroom doors may be slightly smaller in dimensions. However, the door size can still be made taller and wider or shorter and narrower depending on the size of your home.