Building drawings, C2415, is the size of the window or window hole size, how much difference
That C shows the window, 2415 said the window is 2.4 meters long and 1.5 meters high. The hole is in the windows on the basis of each side put two to three centimeters.
Building window bag profile frame size 2400 high 1500 width is to complete the surface size of the window hole size but also to reduce the size of the decoration that specific facade what material
Generally the window hole size, the building error is very large, generally about 2cm, so the actual window, often need to check the actual size of the window hole, and then with the construction side to check the construction method to determine the actual size of the windows made. Such as general plaster, generally unilateral gap 15mm; paste tiles, unilateral gap 20--25mm; paste marble tiles, unilateral gap 30 - 35mm.