Central heating - new self build


Postby Zeebra3 » Tue Feb 16, 2010 9:54 pm

I have a beam and block floor in a new build and will be laying 75mm of insulation then a 65/75mm sharp sand/cement screed. I will be laying plastic central heating pipes in the screed but there will be 'T' junctions at every radiator valve which I do not want embedding in screed for obvious reasons. I have spoken to the building inspector and he is happy for me to shutter off under each radiator and leave each joint accessible under a small section of screwed down floorboard. The rooms will be a mixture of tile and carpet but is there a better way of covering the 'T' junctions?
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Postby stoneyboy » Sun Feb 21, 2010 6:33 pm

Zeebra3,
How about using copper tube and soldered joints and forgetting access to joins. You could even used lead based solder if you use end feed joints.
end
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Postby thegasman » Sat Feb 27, 2010 10:23 am

plastic pipesdote rubbish and are meant for lazy people that cant be bothered to learn a trade also the risk involved is pointless if for any reason your boiler decides to overheat do you think that plastic rubbish will hold up to plus 82deg temperatures-no it wont so be warned-god i hate that stuff and the people that useit :evil:
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Postby htg engineer » Sat Feb 27, 2010 7:21 pm

Copper is by far the best

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