Good practice guide - how things should be done.
Here we list some issues that we come accross very often, so, showing how things should be done can help explain our clients the right way of doing them.
General pipe penetration
Pipes and service penetrations shall be made weathertight by using methods shown in image attached.
See more here: http://www.building.govt.nz
Well-sealed shower penetrations prevent water damage
Because showers are subject to very significant water splash, penetrations in shower linings require particularly effective waterproofing. Showers range from proprietary single piece acrylic units to on-site constructed tiled-lined showers.
The penetrations for shower taps or mixing valves, roses or flexible hoses should be waterproofed with a proprietary system, or sealant compatible with all adjacent building elements.
See more here: http://www.building.govt.nz/codewords-40-8