Hello everyone. Ask a question. What is the level of airtightness of glass curtain walls of public buildings? What adjustments?
In the standard state, when the pressure difference is 10pa, the unit opens the slit air permeability q1 and the unit area air permeability q2 as the grading standard.
In the winter outdoor average wind speed greater than or equal to 3.0m / s area, for 1 to 6-story building, should not be lower than the construction of the external window of the air permeability of the Ⅲ level; for 7 to 30-storey building should not be lower than the building Outside the window of the air permeability of the level of II.
