Fire separation · MCU13/0080

 

When is a fire separating or fire
resisting wall required in
Class 1a building?

External walls if:

* the wall is less than 900mm from an allotment
boundary other than the boundary adjoining a
road alignment or other public space, or

* 1.8m from another building on the same
allotment other than an associated Class 10

building.

 

 

 

External walls -
allowable encroachments

Encroachments allowed within 900mm of an allotment
boundary or within 1800mm of another building on the
same allotment include:

* fascias, gutters and downpipes
_* eaves with non-combustible roof cladding and eaves
lining
* flues, chimneys, pipes, cooling, heating or other services.

These encroachments however must not be built within
450mm of an allotment boundary or 900mm of another
building on the same allotment.