Hp is the height of the window sill, i.e. the distance from the finished floor to the edge of the wall opening under the window sill. In our case, the window sill was designed at a height of 85 cm above floor level.
Hp is the height of the window sill, i.e. the distance from the finished floor to the edge of the wall opening under the window sill. In our case, the window sill was designed at a height of 85 cm above floor level.