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Anonymous users2024-01-24"Classification and Testing Methods for Airtight, Watertight and Wind Pressure Resistance of Building Exterior Doors and Windows" is a book published by China Standards Press in 2008, and the authors are the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China. The book is a relevant specification for the classification and testing methods of airtightness, watertightness and wind pressure resistance of external doors and windows of buildings.
Water sealing: The airtightness of doors and windows refers to the amount of air permeability per unit opening joint length or unit area of doors and windows. It tests the ability of doors and windows to prevent air penetration when closed. >>>More
According to the use function, importance, geographical location of the building, etc., the exterior doors and windows of the building are selected to be airtight, watertight, and wind-resistant.
The national standard is a mandatory standard.
In other words, the national standard is the minimum standard. >>>More
1. AllDo you mean the air tightness test? This is done by the test unit and does not require a side station. The installation of building doors and windows also does not need to stand on the side. You don't need to stand on the sidelines for everything.
This standard was issued on July 30, 2008 and implemented on March 1, 2009. >>>More