5 September 2019
All dimensions are in mm
Copyright
23
Due to continued product improvement, Warmington Ind LTD reserves the right to change product specifications without prior notification.
4.2 HEARTH CLEARANCES
Important Note:
For raising trad. fires on combustible floors, at
(dimension B) height of 420mm & above the hearth
extension (dimension A) of 380mm must be main-
tained. This is for all traditional fire models.
Important Note:
A hearth extension ABOVE the curved minimum requirement line on the graph for a
selected model of traditional fire is an acceptable hearth extension.
A hearth extension BELOW the curved minimum requirement line is NOT
acceptable.
4.1 COMBUSTIBLE MANTLE CLEARANCES : REF BUILDING CODE
•
Construct hearth to required thickness
•
Close in AAC enclosure and chimney chase (if in timber alcove)
•
Finish autoclaved aerated concrete (AAC) enclosure and hearth to customer’s requirements (e.g. paint/ tiles etc). Due to the expansion and
contraction of metal fireplaces, a 3mm gap between the flange and the finished surround should be maintained.
•
Remember to install required 2 x 100mm diameter vents for Caitec system
•
Construct mantle if required
STAGE 4: FINISHING PROCEDURE FOR BUILDER