Non-combustible thick wall linings
Adhesive or
mechanical fixing
With wallboard support removed or wall
lining protruding beyond the fire front the
wall lining must be non-combustible for
at least 300 mm up wall
Opening size C minimum
With the wallboard support rails removed or the
wall lining protruding beyond the front of the
fire, the wall lining MUST BE at least 300 mm
up the wall.
Adhesive or
mechanical fixing
Opening size C minimum
34 | Linear installation guide 13563-H 08-19
No combustible
materials within
50mm of top of fire
Backing or support board
must be non-combustible
below timber lintel line
Ensure clearance around
glass trim latches
Wallboard support rail removed
Outer Finishing Trim latches
can be removed
No combustible
materials within
50mm of top of fire
Ensure clearance around
glass trim latches
Wallboard support
removed
Outer Finishing Trim latches will need to
be factored if the Outer Finishing Trim is
going to be used