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Hi, I have 8 or 10mm CH pipes running under my floorboards, but I want to increase it to 15mm as it exits the floor to the radiator. Will this cause any problems when refilling system?

OK cool, GV letting by, but if I need to work on my hot water pipes, this means that i will have to drain down the CWSC? If I turn off the mains stop cock, then run the hot taps persumely this would be the best way of doing it? Its a massive tank, it could take a life time!!!

Why is it that when I turn my mains stop cock off, then shut off the cold water supply to my hot water cylinder that I still get a small amount of hot water coming through my hot taps. I thought the above process was meant to isolate the hot water, even after two hours there was still hot...

Cool thanks for that, kitchen is some distance from store but not miles, so presumably put in for that reason, thanks for prompt reply

What is this pump doing? From what I can work out it is pumping cold water into the hot water cylinder and thats it, why bother when the inlet is mains pressure? Confused

Hi, got a front door probably 4ft wide opens inwards, with a massive gap at the bottom 20mm roughly, whats the best solution for stopping rain and wind getting through. Thanks in advance

Hi just been to do a quote for someone regarding there shower room and some other bits and pieces and the last guy has installed a partial wet room area in a bathroom, but left at the edge of the shower area including walls a piece of 2 x 2 timber lapped over with a rough fibre glass. And thats...

Yep thought as much, they are only hairline cracks, probably more concerned as too how deep they were, some also run the entire 3m length. What would you suggest filling with as being hairline cracks screed wouldn't work, what about latex or a cement slurry maybe?

Just recently laid a screed floor 85mm over a sound concrete slab, just noticed though that a couple of cracks have appeared. I am presuming that it has just dried out to quickly ( didn't cover to allow for curing ) and that it shouldn't be a problem. I know its difficult to say without...

Hi need some help, i have an extension built and have laid a solid concrete floor the room it is extended onto is not solid concrete, i was looking to screed the new bit but am now undecided as to whether to or not. Should i just baton it out instead? How would I screed upto a timber floor...