11
Construction Specifications - Jetmaster Free Standing Metal Casing
Rotating cowl
Approved flashing
Double Skin Flue:
- Stainless steel inner
- Galvanised outer
MIN. 3.6M
Use metal bracket to
attach ceiling plate
to timber
4 x 100 x 25 air
gap in outer casing
Ceiling penetration
plate supplied by
Jetmaster (allow
350mm minimum
rafters)
Outer flue must
be ventilated
Side of
firebox to
edge of
hearth
minimum
200mm
12mm fibre
cement sheet
one course
of brick
Front of firebox to edge of
hearth minimum 300mm
Hearth Thickness
Models 400 to 700D = 26mm
Models 850 & 1050 = 100mm
*Hearth extends 100mm behind firebox
Corner
Installation
Parallel
Installation
Required hearth
with selected
tile finish for
850 model
Outer casing
50mm to combustible
Heat shield
50mm air gap
to inner flue
Combustible material