BS DD 4:1971

Recommendations for the grading of windows. Resistance to wind loads, air infiltration and water penetration, and with notes on window security

BSI Group , 03/31/1971

$175.00 $350.52

Defines grades of climatic exposure and lays down criteria for the testing of windows of any material for resistance to deflection under wind loading, air infiltration and water penetration. In addition, recommends certain measures and precautions that can be taken to reduce security risks inherent in windows.