MegaSack DRAW - This year's winner is user - rgwb
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I'm replacing my bathroom and am trying to do a proper job, not like the cowboy who owned the house before me.
i have a hot a cold water feed running through the screed, however, they havent been lagged/wrapped. I am going to replace these with copper again, but have read various do's and don'ts when it comes to burying copper in screed. What is the best way to stop the screed corroding the pipes. So far, i have read about denso tape, hessian wrap, encasing the pipes in plastic pipe, using pipe lagging etc. advice please!
Either this: http://www.toolstation.com/shop/Plumbing/Consumables/Petro+Tape+10m+100mm/d20/sd2711/p59370
or you can put it in plastic conduit I guess.
don't use copper
Just lag them with thick quality lagging, saves your hot pipe wasting loads of heat, heating up your screed too!
Certain screeds can attack lagging so dont do that. If your redoing the screen you can get plastic/metal trenches with a plywood cover that would be good for what you need enough room to lag them as well.
I'd favour plastic water pipe as a conduit if you want to stick with copper. Personally, I'd put plastic in and engineer the ruN such that thee are no joins in the slab.