[Strawbale] waterproofing the bathroom
d.sign at aon...
Mon Jan 13 19:29:20 CET 2003
Knauf is a gypsum-board, the problem is, that such boards (even the
cement-boards) tend to make a bow,
when you fix the tiles on it or glue it to the wall (in combination with
Better work with Heraklith-boards (3 - 5 cm, magnesium-glued) and fix the
tiles with cement-based tile-glue (Fliesenkleber).
You need no space between board and straw. You only need space when you have
two materials - one cold (like stone) and the other warm (like strawbale)
because of water-condensation or as a ventilation-space. In the last case
you had to make holes above ground and under the ceiling, so that the air
could circulate. But in this case the damp would go in the bales.
So: Make no ventilation space.
I am thinking of putting panels of pladur or knauf (a type of cement board)
covered with tiles in the bathroom to protect the bales from the water of
the shower (not yet installed), but i was wondering if I should put a layer
of plaster under the board? Also, should I leave an air space between the
board and the bale wall, or should they touch? Does it matter?
any comments or alternative ideas are appreciated; I haven´t started the
work there yet, so I am open to other suggestions . . .
MAY THE wings OF LIBERTY NEVER LOSE A SINGLE FEATHER!
love , RIKKI
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