In plumbing when should you use a pipe sleeve?? a)when its located in a roof space b)comes into contact next to...
a)when its located in a roof space b)comes into contact next to lead c)passes through a brick wall or d)is laid within timber floor joists.
Answers: Copper pipe should other be sleeved when passing through any wall where on earth it will be in touch beside masonery.
Builders are still getting it wrong, I know of an example where the builder poured solution concrete on top of copper pipe used for inside heating, it last one year before leak.
30 families within an estate had to be re-housed , the floors dug up, and unknown pipework installed, an expensive mistake.
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