SITE REQUIREMENTS
1.FLUE OR CHIMNEY
1.1The flue or chimney system must be in good condition.
It must be inspected by a competent person and passed for use with the appliance before installation
Products of combustion entering the room can cause serious health risks.
1.2You must check the following:
—The construction of the masonry chimneys, flue block chimneys and connecting flue pipe system must meet the requirements of the Building Regulations†
—A flexible flue liner system can be used if certified for use with solid fuel systems and installation complies with manufacturer’s instructions and Building Regulations.
The flue liner must be replaced when an appliance is replaced unless proven to be recently installed and in good condition.
—If it is necessary to fit a register plate it must conform to the Building Regulations†
—The minimum height of the flue or chimney must
be 4.5m from the hearth to the top of the flue, with no horizontal sections, a maximum of 4 bends with angles of less than 45 degrees
—Enure the connecting flue pipe it kept a suitable distance from any combustible material and does not form part of the supporting structure of the building
—Make provision to remove the appliance without the need to dismantle the chimney
—Any existing flue must be confirmed as suitable for the new intended use as defined in the Building Regulations
—The flue or chimney systems must be inspected and swept to confirm the system is structurally sound and free from obstructions**
—If the appliance is believe to have previously served an open fire the chimney must be swept a second time within a month of regular use after installation to clear any soots falls that may occurred due to difference in combustion levels.
—The flue exit from the building must comply with local building control rules.†
—Do not connect or share the flue or chimney system with another heating appliance
1.3Do not connect to systems containing large voids or over 230mm square.
1.4You must provide suitable access to enable the collection and removal of debris.
1.5You must sweep and inspect the flue when the appliance is installed.
1.6You must check the flue draught with all windows and doors closed and any extraction fans in this or adjoining rooms running at maximum speed. (See next section for additional ventilation requirements)
Max. Draught = 2.0mm Wg Min. Draught = 1.0mm Wg
In the U.K:
*BS 6461: Part 1, and the requirements of Building Regulations
**This should be done by a NACS registered (UK only)/ INFO registered (Eire only) chimney sweep, who will issue you with a certificate.
† Building Regulations Document J
Flue Plate:
Where a hearth, fireplace, flue or chimney is provided or extended (including cases where a flue is provided as part of refurbishment work), information essential to the correct appliance and use of these should be permanently posted in the building, to meet Requirement J4 of the Building Regulations (England and Wales), F3.12 (Scotland).
† Building Regulations Document J
Additional:
A new factory made system that complies to EN 1856; Part 1 can be used providing installation is to the requirements of:
i)BS 7566 Parts 1
ii)the manufacturer's instructions
iii)Building Regulations.
For a guide containing information on Chimneys and Flues contact:
The British Flue & Chimney Manufacturers’ Association,
FETA
2 Waltham Court Milley Lane Hare Hatch Reading Berkshire RG10 9TH
Tel: 0118 9403416 |
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