You can use a ThermaNiche on the internal skin of a double brick wall, however they are not suitable for single skin 90mm brick walls.  When installing in the inner skin of a double brick wall you need to ensure that you install a load bearing lintel dir...
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Yes. ThermaNiches are fabricated from the same board as ThermaSheet which is waterproof.  The joins are also waterproofed at the time of manufacture. However, as they are installed into brick wall and gyprock walls, there will be gaps between the wall an...
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