Linear installation guide 13563-B 02-19 | 31
Adhesive or mechanical fixing
No combustible materials within
50 mm of the top of the fire
Backing or support board must
be non-combustible below the
timber lintel line
Wallboard support panel
optional in this configuration
Mechanical fixings not
recommended across the top
of the fire
3 mm min.
air gap
Wall linings less than 13 mm may be combustible
providing the wallboard support panel is installed
and the (non-combustible) backing board extends
to its lower edge
Adhesive or mechanical fixing
No combustible materials within
50 mm of the top of the fire
Backing or support board must
be non-combustible below the
timber lintel line
Wallboard support panel removed
3 mm min.
air gap
With the wallboard support
panel removed the wall lining
must be non-combustible for at
least 300 mm up the wall
Tiled or second skin wall linings