Self-closing door | Chalkline

A self-closing door is a door fitted with a closing device that automatically returns the door to fully closed and latched without manual assistance. It is required in two distinct contexts in Australian residential building.

Fire separation (most common case). ABCB Housing Provisions Part 9.2.3, called up by NCC 2022 Part H3, requires self-closing doors at any opening in a fire-rated wall. The dominant case is the garage-to-dwelling door, where the wall carries an FRL 60/60/60 and the door must be:

Solid-core, minimum 35 mm thick (hollow-core does not comply, regardless of the wall’s FRL).
Fitted with a functioning self-closer that returns the door to fully closed.
Self-latching: the door must close to a positive latch, not just be pulled shut by the closer.

This is the most frequently failed item at residential lock-up and PCI inspections. A standard hollow-core door, or a 35 mm solid-core door without a self-closer or latching hardware, fails the certifier’s check.

Pool fencing. AS 1926.1 (the pool safety barrier standard) requires the gate in a swimming pool barrier to be self-closing and self-latching, with the latch out of reach of small children. This is a separate rule under NCC H7D2; it shares the “self-closing self-latching” language with the fire-separation rule, but the standard, the test method, and the failure mode are different.

The chippy fits the door and closer hardware at fit-out; the certifier checks operation at lock-up and PCI. The closer must be tested under load, not just installed. A door that drags on carpet, has a tight fit at the head, or whose closer is mis-tensioned can fail to latch even if it visibly closes.

Also known as: self-closing self-latching door, automatic closing door.

Category: Fire separation / pool safety / building hardware.

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