Inside and outside the role of the windowsill are what
Building, inside and outside the windowsill, first of all because the windows and if done as thick as the wall, the cost will be much higher. In order to save the windows only a thin layer, so that the objective also allows the indoor space increases, the outdoor high-altitude objects are not easy to damage the windows, rain and rain water flow is not easy to directly act on the window, The role of leakage. I can think so much, hope to help you.
The role of the outer window can be kind of flowers, the role of the windowsill is put some pieces of broken things.
The lower part of the window should be set up windowsill. The windowsill forms an inner sill and an outer sill according to the installation location of the window.
The outer sill is to prevent water in the bottom of the window hole and flow to the room.
The inner sill is to exclude condensate from the window to protect the interior wall.
Differences between flue and duct structure:
(1) role: flue gas used to discharge the gas stove, ventilation duct is mainly used to exclude indoor dirty air;
(2) Location: Flue is located in the kitchen, crossing the wall by the lower part of the ground from the ground 600 ~ 1
000 mm ventilation duct is located in the dark toilet, crossing the wall above the wall, from the bottom of the roof about 300 mm.
