Hey bro's/gal's,

I've heard that anti-leakage sealant is a huge concern for condo's because if its not done properly and causes a leak at the lower floor. Once complain have to re-hack entire toilet tiles again.

So I was given several options by diff contractors and some even offered 3 layers of anti-leakage protection but there was one specific contractor says to maintain its current tiles and add-on another layer of tiles on top of it. It will prevent the leak.

Is this true or is it possible? Reason I ask is his quote for the entire place was the cheapest among the rest. Don't want this issue be a show stopper.

what will he be laying on top of your tiles what like of coating ?

please know the best and long term solution although abit expensive

is to hack out tiles and do a real water proofing...

What is 'anti-leakage sealant'?
And it can prevent leakage to lower floor?

if you experience the water leakage on your current tiles, putting on a new layer of tiles on top of existing tiles will not solve your problem. This is lazy work proposed by contractors. I agreed with JinXXX, the best result is to remove all the old tiles and do a real water proofing .

It is not only lazy work. The tiles will come out piece by piece later on. The tile surface is always smoother than bear cement and adhersion to tile is a problem. Your new waterproof that is suppose to work under normal application cannot work properly in this tile on tile situation. Some use a special glue on the old tiles before waterproof, some deface the old tiles with acid just trying to get the old tile stick!!!! All these trying to tell you it is hard to work and get adhersion. So dont do the lazy work, ever.

This post has been edited by stevie8: Mar 31 2012, 05:32 PM

Thanks!

I believe they propose that way to lower down the cost and win the contract deal.

That is why I'm comparing with other contractors. So the best would be re-hack the tiles and apply water proofing again before adding on the new tiles ya?

The most important thing is, make sure the finished floor level have a good gradient to drain off the water properly. Waterproofing is just a double assurance.