Schofields Building
Inspections

Party wall detail in Schofields NSW

Where two dwellings share a wall, that wall does several jobs a normal wall does not. It separates fire. It carries a damp proof course that has to run continuously so moisture cannot cross between properties. And every service that penetrates it breaches the separation it provides, which only a rated sealant reinstates. On Schofields lock-up inspections we recorded damp proof course detail twice and fire rated sealant once, and by the time the linings are on none of it can be checked by anyone.

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A party wall separates fire between dwellings as well as sound.

The damp proof course must run continuously across the junction.

Every service penetration breaches the fire separation until it is properly sealed.

Only a rated product reinstates the resistance; ordinary sealant looks the same and does nothing.

All of this is visible for a few days at lock-up and never again.

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Written by our local inspection team from work carried out in Schofields. Licensed building practitioners.

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FAQ

Party wall detail in Schofields NSW: common questions

How would I know if it was done wrong?

You would not, after lining. That is the honest answer, and it is the reason the lock-up stage is worth booking on attached housing even if you skip it on a house.

Is this the builder's responsibility or the body corporate's?

During construction it is the builder's. Afterwards, a party wall is typically common property, which changes who you approach.

Does it affect insurance or approval?

Fire separation is a Code requirement tied to the occupation certificate. It is not a discretionary detail.

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