Flood protection products. Specification - Building aperture products
Flood protection products. Specification - Building aperture products
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1 Scope This PAS specifies requirements for the designation, testing, factory production control , installation documentation and marking for different types and configurations of flood protection products . This PAS is applicable to flood protection products intended for use in the temporary sealing of building apertures and entrances to properties, including boards and flood doors, in the event of static flood water rising up to a level between 540 mm and 840 mm above aperture threshold level, except where they are designed to completely cover or replace small apertures, such as air-bricks or air vents. It covers wall aperture closure systems and foam products. This PAS is intended for use in the UK or locations with similar exposures, i.e. where there is a temperate climate. This PAS specifies the method of testing and an allowable leakage rate. The range of building aperture sizes covered is a nominal width of up to 6 000 mm.
NOTE 1 The hydrostatic pressures exerted by floodwater can cause sudden or long-term structural damage and undermine the foundations of a building or cause leakage through the walls, floor or sub-floor, unless the building is specifically designed to withstand such stresses. The actual water level that can be safely retained by the external walls depends upon the construction, type, form, age and condition of the walls. It is advisable that a suitably qualified building surveyor, architect or structural engineer ins...
Другие стандарты PAS