This method determines the resistance of textile fabrics to penetration by water under pressures higher than those obtained with CAN/CGSB-4.2 No. 26.3-M. It is intended primarily for use with coated fabrics.

This method may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this method has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any existing applicable regulatory requirements prior to its use.

Time-dated standard