Waterproofing Pipe PenetrationsPipe penetrations are often placed by the plumbing and electrical contractors in such a manner that it is impossible to properly install the required flashings.
This section implies that all walls that require waterproofing shall be constructed of concrete or masonry and shall be of structural integrity to withstand hydrostatic pressure and lateral loads.
The current British standard recommends that a waterproofing specialist is made an integral part of the design team to ensure that an appropriate solution is arrived at in each case.