Waterproofing pinholes and wet areas in Box Hill NSW
Across the Box Hill jobs behind this site, pinholes in the waterproofing membrane appear more often than any other defect. They turn up in shower recesses, at hobs, in niches, at entries and in powder rooms, sometimes several in one bathroom. A pinhole is a break in the membrane about the size of a pen tip, usually a burst bubble in the coat or debris trapped underneath. It will not fail a glance from the doorway. It will fail a proper look, and once the tiles are down it is a leak waiting for a year or two to pass before it announces itself in the room next door.
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Pinholes are the most frequently recorded waterproofing defect on our Box Hill jobs.
They occur in shower recesses, hobs, niches, entries and powder rooms.
A bond breaker lets the membrane span a moving junction instead of tearing at it.
A puddle flange has to be sealed into the membrane, not just sit near it.
AS 3740 governs domestic wet area waterproofing alongside the NCC and Housing Provisions.
More about Box Hill
- Building a new home in Box Hill NSW
- Buying a home in Box Hill NSW
- Growth and development in Box Hill NSW
- Certifiers, council and building disputes in Box Hill NSW
- Ground conditions and slabs in Box Hill NSW
- Common building defects in Box Hill NSW
- Box gutters and roof drainage in Box Hill NSW
Written by our local inspection team from work carried out in Box Hill. Licensed building practitioners.
