7
such as a load distributing plate must be provided.
The hearth should be able to accommodate the weight of the stove and its
chimney if the chimney is not independantly supported. Stoves should stand
wholly above hearths made of non-combustible board/sheet material or
tilesat least 12mm thick, if the stove is not to stand in a recess and has been
tested to an applicable standard to verify that it cannot cause the
temperature of the upper surface of the hearth to exceed 100 degrees C.
Constructional hearths should be made of solid, non-combustable material
such as concrete or masonry, at least 125mm thick, including the thickness of
any non-combustible floor and/or decorative surface.
Specific guidance for surfaces on which the stove may be allowed to stand is
given in Approved Document J and must be followed.
When the stove is positioned near a wall constructed of flammable material,
the distances shown on Fig 5 must be adhered to. Alternatively, a heat shield
may be used, mounted according to the position of the fireplace. A firewall
must be at least 100 mm thick and typically made of brick, or concrete/
stone.
MATERIAL CLEARANCES
The stove must have a minimum clearance of 1200 mm to a combustible
ceiling below.
Fig 3
It is recommended that the stove be installed at least 800 mm from
combustible materials. However, any household furnishings should be at least
1000 mm away as they could be adversely affected by heat.
The stove can be recessed in a suitable sized fireplace but a permanent free
air gap of at least 200mm must be left around the sides and top and at least
50mm at the back of the stove to obtain maximum heat output and for
access to the rear of the stove.
Содержание THAMES TRAVEL BARGE 6910115
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