I am preparing a fireplace to receive a gas firebox (Stovax Victorian
Tiled insert with Gazco convector).
I am building a rectangular brick opening to the dimensions of the box
and was going to render the surface to seal any gaps and provide a
flat surface to seal against the cast-iron insert.
Although not exposed to naked flame the opening should be
Is this true of a concrete render?
Will cracks open up with time allowing fumes to escape?
There are products on the market that are packaged similar to silicone
sealants. They are specially formulated to resist heat to around
2000F. You can do a search for furnace cement or non-combustible
silicate cement on the web. If you have any trouble finding it let us
know and we will check with our suppliers.
email@example.com (IanW) wrote in message
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