Schluter Systems, Ditra membrane.
http://www.schluter.com/6_1_ditra.aspx
Is it worth putting over the floor (even if 18/25mm ply has been used - small area so not a huge room)?
Also, this membrane matting for walls - again, is it overkill if tanking etc for an ensuite shower (not wet room type but tray).
http://www.schluter.com/8_1_kerdi.aspx
http://www.schluter.com/6_1_ditra.aspx
Is it worth putting over the floor (even if 18/25mm ply has been used - small area so not a huge room)?
Also, this membrane matting for walls - again, is it overkill if tanking etc for an ensuite shower (not wet room type but tray).
http://www.schluter.com/8_1_kerdi.aspx