9
Fig. 6
Fig. 5
Fig. 4
The prepared opening awaiting installation of Rockwool slab
material prior to the Cassette box . In this case the opening was
high enough to allow insulation to be fitted around the flue after
the Cassette was installed
The Cassette Box will need fixing in to
avoid it moving out of position after a
period of time
Filling the cavity around the Cassette with a
mixture of Cement and Vermiculite
Summary of Contents for Firebright Inset
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