News / aluminium doors
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Nov 26, 2012
Trapping moisture with a secondary membrane
Read more →The popular approach to controlling efflorescence on tiled balconies, is to provide a secondary membrane directly beneath the tiles. Another approach is to bond the tile bed directly to the substrate and install a single membrane on top. Both of these methods are popular and can be effective in controlling efflorescence from the tile bed, but there are pit-falls. Firstly, efflorescence is also known to release from tile adhesive and grout, which are both located above the membrane. Secondly, these methods trap all the moisture in the tile bed under an impervious membrane. Moisture in the tile bed concrete mix...