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I am having a go at my first major tiling project and I seem to be having a few problems with basic technique of applying the adhesive and trying to maintain level tiles. I am tiling a kitchen concrete floor which is reasonably flat, it has a couple of high spots of about 2mm over a distance...

1) There seem to be two main high spots in the bathroom floor that are 5mm above the centre of the 2m*2m area I am trying to tile, this perhaps would be a more accurate description rather than undulating. The main high spot is near the bathroom wall where the bathroom floor goes over an area...

Thanks very much for all the comments and suggestions. I am still thinking I will avoid ripping up the floorboards despite appreciating that is the best solution. There are a few outstanding questions. 1) Is a 5mm undulation in the floor boards too great to consider screwing a 12mm...

In the excellent sticky thread at the top of the forum gcol doesn't say what a "very flat floor" is. Is that 2, 3 or 5mm undulations of a distance of a metre? He describes not having "large gaps" between floor and a 1.5m straight piece of timber placed on the floor. What is a large gap? To me...

I would like to lay ceramic tiles in an area of about 2mx2m of my bathroom. The bathroom is on the first floor as usual and has floorboards, some of which creak slightly. The floor is currently covered in horrible cork tiling and undulates by about 5mm from the measurements I have made with a 1m...

Just to bring this story to a conclusion. Because the pool of water was next to a non-leaking non-jointed pipe I was very concerned that the leak was elsewhere and flowing to the point where I found the pool of water. On observing the pool of water recede and then reappear as I switched...

Thank you for the hint Softus.

That is very useful information, thank you very much indeed for info on procedure and the insurance issue.

Thanks for that. The water SEEMS to be coming from the top of the diagram, i.e. towards the radiator at the top of diagram. I have checked the boiler connnections and they seem fine and the inside of the boiler area is also dry. The radiator at the top of the diagram does make some very...

Is there a dye or something I can put in the CH water so I can see where the flow is coming from? And presumably one would need several coloured dyes as one made multiple tests and investigations.

It is a vented system. I have started digging, I dug up about a square foot of screed and discovered the pool of water and the pipe. I was reluctant to dig further as the leak wasn't apparent from the exposed pipe and I didn't have a procedure. I could see water flowing into the pool of water...

I don't know what microbore is but the copper piping exposed by digging up the scree near the water appears to be 15mm. I do consistently get a very loud "twang" noise emitted from the radiator at the top of the diagram some 30-60 minutes after the heating is turned off. There is no water...

You are right of course, I shouldn't have called it underfloor heating, just underfloor piping for my radiator central heating. I have exposed the area around the water by removing the scree, but as I say the leak seems to be somewhere else. I saw in another thread there is some smelly...

I was hoping someone might be able to assist me with some hints and tips on tracking down a leak in the pipe work of my ground floor central heating. My ground floor is the following with the leak highlighted as "water" I would like to know if there is some sort of procedure to help me...