Site requirements, Minimum builders opening, Builders opening – Stovax 7126 User Manual

Page 16: Fire surround clearances

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16

SITE REQUIREMENTS

4. MINIMUM BUILDERS OPENING

To make installation easier make the opening larger than

the minimum requirements where possible.

Dimension

A

B

C

Stockton 7

410

545

355

Stockton 8

560

560

360

5. BUILDERS OPENING

Many fireplace openings have a supporting lintel. Remove

the covering plaster to identify it's position before starting

any constructive work. Do not remove constructional lintels

without making provision to support the remaining structure

of the building. The appliance must not form any part of the

supporting structure.

5.1 The chimney/flue must have a sealed connection to the

appliance flue spigot.

5.2 The structure of the builders opening will reach high

temperatures. Use insulating blockwork to reduce the heat

transfer to the external walls, in particular the area of the

chimney breast above the opening.

5.3 Take care when finishing the chimney breast and

surrounding area. The conducted and convected heat

emitted by the appliance could be high enough to crack

normal plaster. Use a high temperature plaster, or face

the area with a suitable high temperature plasterboard.

New plaster should be fully dried before the appliance is

used, or cracking could occur.

* In the U.K

Additional information covering the installation the

appliance may be found in the following British Standards:-

BS6461, BS6999, BS8303.

If you are in any doubt about your ability to produce a

safe opening contact your Stovax dealer for professional

advice.*

6. FIRE SURROUND CLEARANCES

If the appliance is to be fitted with a fire surround, use

the minimum clearances, see Diagram, between any

point of the appliance and any combustible material.

Stovax produce a selection of surrounds and details can be

obtained from your local supplier.

150mm

300mm

150mm

6.1 We recommend you obtain expert advice before

proceeding with work of this nature.

6.2 Some finishes may discolour with heat and some lower

quality products may distort, or crack, when in use.

If stone / granite / marble or any other natural material

is used to construct the fire surround, or any part of it,

provision should be made for expansion and movement

of the parts due to heating and cooling.

If you are in any doubt about the installation

requirements, or suitablity of fire surrounds contact your

Stovax dealer.

6.3 All fire surrounds should be suitable for use with solid fuel

heating products.

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