©
EUROHEAT
DISTRIBUTORS (H.B.S) LTD. March 2006
Technical Guide IN1087 Edition C
18
Additional Provisions For Appliances Burning Solid Fuel
Flue outlet positions for solid fuel appliance - clearances to easily ignited roof covering
Debris collection space
Where a chimney cannot be cleaned through
the appliance, a debris collecting space which
is accessible for emptying, and suitable sized
opening(s) for cleaning should be provided at
appropriate locations in the chimney.
Masonry and flue block chimney
Masonry chimneys should be built in accordance
with Document J paragraphs 1.27 and 1.28. Flue
block chimneys would be build in accordance
with Document J paragraphs 1.29 and 1.30. The
thickness of the walls around the flues, excluding
the thickness of any flue liners should be in
accordance with Document J diagram 2.4.
A
B
B
1800mm
At least
1800mm
600mm
At least
2300mm
Outlets should
be above the
shaded areas
Area
Location of flue outlet
A
at least 1800 mm vertically above the weather surface
and at least 600 mm above the ridge
B
at least 1800 mm vertically above the weather surface and
at least 2300 mm horizontally from the weather surface
Separation of combustible material from
fireplaces and flues
Combustible material should not be located
where it could be ignited by the heat dissipating
through the walls of fireplaces or flues. A way
of meeting the requirement would be to follow
the guidance in Document J diagram 2.5 so that
combustible material is at least:
a)
200 mm from the inside surface of a flue
or fireplace recess; or
b)
40 mm from the outer surface of a
masonry chimney or fireplace recess unless it
is a floorboard, skirting board, dado or picture
rail, mantel-shelf or architrave. Metal fixings in
contact with combustible materials should be at
least 50 mm from the inside surface of a flue.
The following information refers to The building regulations 2000 Approved Document J April 2002
