Hi, this might no be the best forum for my question so feel free to move!
I have some copper water pipe covered by rendering, they are wrapped in denzo tape covered with duck tape but some of the (greasy?) stuff is leaching in a couple of spots. My question is what should I do prior to tiling to prevent this from staining the grout in the long run please?
Cheers, Pierre

dont thick the carp will be coming from the denso tape mate...probally the duct tape...

if you want you could use a waterproof membrane around this area..dura wp/ditra/homelux etc..there is also the paint on gear from bal..etc..not a great lover of the paint on myself mate..

Iv'e never had problems with denso, and by the way it doesn't need gaffer tape over it.

Most unlikely to be the Denso tape, you don't need anything with it either.

I would look for other problems.

What pipes are they and how are they wrapped.

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scruff ya think it might be the glue from the duct tape??...thats what am thinking..

What glue.

It's a gungy mastic.

Whoever invented it didn't like Plumbers.

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aye.. all right but am sure you new what i ment....

as for Plumbers.......well i aint going down that road bud...... ...

ere scruff was on a job the other day....

the Plumber was trying to cut through the pipes(they wern"t copper)...s.s ..i had to show him him to cut through with his jnr h/saw...reverse the blade...lol...

thats why the old school Plumbers hate the germans ...not for the war but what they had to use after the war...

Most people put the blade in a junior hacksaw in the wrong way.

The teeth should be facing the hand so you cut on the pull stroke, that way the frame tightens the blade as you cut.

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had a Plumber working for me once(only the once tho..)

gave him the plans for the wet room....walked in and there was 3 raggles in the bloody wall...

.. asked him what the fe c k ....he replied didnt know where the shower was going!!!....enough said..

aye.. you all aint all that bad...get a better laugh on the job with Plumbers oon the job ...than them sparks(weird bunch that lot)....