These aluminum window profile are for casement windows. The sash connected with window frame by hinges thus the way of opening can be outwards or inwards. The most advantages of casement window are: simple structure, flexible opening, easy cleaning, and good sealing performance when closed. So it’s widely used in high-rise buildings such as commercial and residential buildings, office buildings, high-end residential buildings, and villas. But the disadvantage is: hard to work with screen window and curtain, and the sash occupies some space when opening inwards while the sash can be damaged when opening outwards.
Most of window frames are treated with anodizing or powder coating, and wooden print. Power coating is a good choice for customers prefer special colors. Considering better insulation, the thermal break profile is a real good choice.