Browse Forums Bathrooms and Laundry Re: Shower area watermark, waterproofing problem or tile qua 2Nov 10, 2011 11:01 am Doubt if it's a waterproofing problem, more likely to be either soap scum buildup, "hard water" or salts leeching out of the tiles or sand/cement base. A closeup photo would also help. Stewie Re: Shower area watermark, waterproofing problem or tile qua 3Jan 24, 2012 11:30 am If the staining is blue (may be hard to tell if tile is dark coloured), then its from the copper pipes and leaving lemon juice on the stain for 10 or so minutes will get rid of it (for super stubborn add a little bi-carb to the lemon juice and scrub after the 10 min.). "Whoever says sunshine brings happiness has never danced in the rain!" CDC Housing Code 3 When to apply Floor Area external face of wall vs Gross Floor Area internal face of wall. Reading thru CDC Housing Code 3, lets take a lot 915sqm.… 0 16562 I have researched this topic in detail recently but for another state which has no licensing requirements at all so any handy man can waterproof any old way and not have… 1 8474 2 8645 |