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.
Best Answer: An interior wall is usually 4-9/16 thick, if there is plumbing drainage in the will it will be 6-9/16. The exterior wall may vary from 3-1/2 up to 9 depending when the house was built, location of the house, building codes etc. The best way to figure the wall thickness is measure the width of the frame around the door( the door jamb) hope this helps.