Waterproofing pinholes in Marsden Park NSW
Pinholes are the most repeated finding in the Marsden Park set: eleven separate records, in shower recesses, in a niche and at the main drain. A pinhole is a break in the applied membrane about the width of a pen tip, usually a burst bubble in the coat or debris trapped underneath. It will survive a glance from the doorway and it will not survive a proper look with light behind it. Once the tiles are down it is a leak waiting for a year or two before it announces itself through the wall of the next room.
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Eleven pinhole records across the Marsden Park jobs behind this site.
They occur in shower recesses, niches and at the main drain.
Bond breaker tape lets the membrane span a moving junction instead of tearing.
Upturn height decides how far up the wall the protection actually reaches.
AS 3740 governs domestic wet area waterproofing.
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Written by our local inspection team from work carried out in Marsden Park. Licensed building practitioners.


